PPM Gazelle Swamp Buggy. They can see suspension by rubber blocs.  Pict  Francis Pierre, Moerdjik, The Netherlands, in 2000.


PPM Gazelle Swamp Buggy. Pict  Francis Pierre, Moerdjik, The Netherlands in 2000.



Sno-Motor. Pict  Francis Pierre, 1998.


Sno-Motor, 1938-1949, of Ted Flynn of Forest Service, Portland, Oregon. See Chap 'Changes around the track I'. Pict  Francis Pierre, probably in Utah, around 1998.



Sno-Motor of Ted Flynn's Forest Service, Oregon, 1940. A rear sled allowed steering the vehicle as an articulated vehicle. In the unique front track was located the engine. See Chap 'Change around the track I. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.



Snowtrak of T.H. Brunius, 1940. The drive train is located inside the tracks. Similar designs were built in 1941 (Sno-Motor) and at the end of WWII (Snow Tractor T 36). Pict from book US Military Tracked Vehicles of Fred Crismon, Motorbook International Publishers & Wholesalers, 1992.


Iron Fireman T36 Snow Motor, 1944. 36 were built for the Army. Speed 34 km/h, capacity 260 kg. Engine was enclosed in the tracks and steering was skid steering. Pict from book US Military Tracked Vehicles of Fred Crismon, Motorbook International Publishers & Wholesalers, 1992.



Iron Fireman Snow Tractor T36, 99 hp, Dodge or Ford engine. Pict from the book of Bart H. Vanderveen ‘The Observers Fighting Vehicles Directory WWII’.


Snow Tractor T36, built by Iron Fireman Mfg in 1944, for 3 men.     http://en.wikipedia.org/






Cargo Carrier T38E1, 1945, with double tracks. Cargo is at rear on sled used also for steering. Pict from book US Military Tracked Vehicles of Fred Crismon, Motorbook International Publishers & Wholesalers, 1992.



Sno-Motor, 1941, built for US Forest Service Equipment Laboratory, Portland, Oregon. One track front with a rear sled allowed it to steer by articulation.




Snow tractor, 1950. See Chap 'Change around the track I'. Pict from the review 'Popular Mechanics' (French Edition) in Feb 1950.



Aktiv Forest Tractor from youtube.              



Tracked CFP 304 from Russia imported in Europe in the 80s. J M M archives.

CFP 304



Hydratech multipurpose amphibious vehicle for contractors by TrencherTracks.  http://www.youtube.com/watch?v=oaB8ffhLWnc&feature=plcp



Argo Centaur from Ontario Drive and Gear Ltd.     http://www.argoatv.com/




Trooper of Bombardier Recreational Products, 2004. 20 km/h, capacity 1360 kg, Total mass 5220 kg, Perkins engine 115 hp, hydrostatic transmission, ground pressure : 98 g/cm² to 137 g/cm² loaded, according to  tracks width.  BRP Inc., Utility vehicles, Granby, QC. Tracked vehicles plant of Granby  was sold to Camoplast and then to Prinoth.




Prinoth Trooper. Pict J M M at Euroforest, St Bonnet de Joux, 2010 06.




Prinoth groomers with trailer. The trailer was powered but was it an articulated vehicle with non skid-steering ? http://www.damage-dameuses.com/t78-les-anciennes-prinoth


J5 Bombardier


 Bombardier Muskeg Crawler Backhoe with Winch 1977, from Scott Ales Inc. http://www.scottalesinc.com





Rolba sold Muskeg of Bombardier in the 50s in Switzerland.

 Pict from the book of Karl Anweiler 'Prototypen und Sonderfahrzeuge der Bundeswher seit 1956', Motorbuch Verlag, 2004.



Muskeg Bombardier with amphibious hand-made hull used for mosquito control. Pictures J M Maclou taken at Chindrieux near Le Bourget Lake on 24-25 May 1996.

j5-bombardier.pdf J5-bombardier.pdf



Fire Fighting Muskeg. See chap 'Change around the track I'. Pict J M M, Army Museum, Brussels, 2008 02.



Camoplast GT 1200, 2006. Camoplast bought Bombardier plant of Granby in 2004, which sold it at Prinoth, part of Leitner, in 2009. The GT 1200 had a payload of 5,443 kg, for a basic weight of 5375 kg. Cummins engine of 116 kW (155 hp), hydrostatic transmission, speed 15,4 km/h, walking beam suspension, rubber tracks with steel grousers Bombardier type.


 Camoplast J-5FF, 2006. From a brochure of Camoplast.



Torvec Tracked Vehicle FTV, Full Terrain Vehicle, proto from Torvec Inc, since 1996, Rochester, NY. Vernon E. Gleasman invented in 1958, among others, the world famous Torsen differential (Torque Sensing) based on worms and self-locking, used on Hummer, and now sold under an enhanced version named IsoTorque differential. FTV has an hydromechanical transmission : IVT, and Innovative Torvec pump, with very smooth skid-steering 'Steer Drive' system. An on ice traction system based on electrical charges allows it to run fast on ice. Speed 95 km/h, 1,8 t payload, ground pressure 0,14 kg/cm². Unique suspension : a concentration of technology ! http://www.torvec.com/technology/full-terrain-vehicle-ftv



Tracked TSI with scaffolding.                                 http://www.metalliance-tsi.com/FR/chenilles.htm          http://www.tsi-metalliance.com/



Sno-Ball Jeep CJ6 Snowcat, 1956. Contract between Jeep and Sno Ball Corp. created this vehicle to transport crews over deep snow. They were provided to the US Forest Service and the FAA. 20 were built in 1956 and only one is remaining. Tracks are rubber belted and the grousers are in steel. This Sno-Ball Jeep stayed in Colorado and was sold in 2004.


Sno-Ball Jeep CJ6 Snowcat. Under contract from US Government, Sno Ball Corp. designed this Snowcat with a Jeep engine, transmission and cab in 1956. Original wheels and axles could be mounted back but there was an extra frame lift.



Beijing BJ212 field car conversion, tracked, in the 80s.



T 26 Cargo Carrier, 1944. Pneumatic road wheel and Bombardier tracks equipped this first prototype. Pict from the review 'Classic Military Vehicle' Feb 2003.



Nodwell Scout Carrier Model RN 21, of Bruce Nodwell Ltd in 1957. J M M archives.

Nodwell tracked carriers in the 60s

Flextrac, 1970



Model T tank, version 2.00, after the version of Charles Martin. http://blog.hemmings.com/index.php/2010/08/03/model-t-tank-version-2-0/



Versatrac, 1961, commercial version of M50 transporter of Nortronics Division of Northrop Aviation. Speed 56 km/h, 72 hp. During the period of 60s and 70s, much aviation companies were diversifying in off-rod vehicles. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


T107 Amphibious Cargo Carrier of Studebaker. 7 built. Picture from the book 'US Military .Tracked Vehicles' of Fred Crismon, Motorbook International Publishers & Wholesalers, 1992.


T39 Light Tractor built by Lima Locomotive Works, 1945. In total, 7 prototypes were built.

Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Swamp Vehicle XE-2, 1966. Tested at Fort Eustis, Virginia for Engineer Research and Development Laboratory, Fort Belvoir. The vehicle had an unusual drive arrangement in the form of a paddle-wheel type sprocket in the center of the top track run.

Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


SAMT, Sled, Amphibious, Marginal Terrain XE-4, Armadillo, 1966, tested at Aberdeen Proving Grounds by ERDL, Engineer Research and Development laboratories. Belt-type tracks fitted with large steel grousers surrounded aluminum pontoons used also for buoyancy. Mass only 1360 kg. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Peoria Type Reconnaissance Tractor and Syracuse Reconnaissance Tractor, 1920.

Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Gamaunt tracked vehicle, 1956. R. L. Gamaunt, San Pedro, Ca, father of the later articulated 6x6 Gama-Goat, realized several types of cross-country concepts with Twin Coach Cy, Buffalo, NY. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Pack Rat of Twin Coach, Buffalo, New York, about 1960, was the first prototype built by Roger L. Gamaunt, San Pedro, California, before commercial Versatrac. Suspension was very flexible. R. L. Gamaunt designed the emblematic articulated 6x6 Gama-Goat. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


O'Laughin modification on Willys MB, about 1942. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Ground Hog 1949 and Oliver T60 Amphibious Cargo Carrier, 1953. Studies were conducted for mobility on marginal terrain such as deep mud or snow which led to the space link track which had grousers enough spaced to hold on the soil and eliminate 'grip failure'. Nowadays, all groomers have space-link-tracks. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Cat Track System of Cat Track Company, Toronto, Canada, on Ford F 100, 1962. Tracks were from Bombardier-type and individual brakes on each side must be added. Additional road wheels were suspended by semi-elliptic springs. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Carrier, 1964. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.



Allis Chalmers V-40 Scout, 1941.

Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


AISV, Amphibious, Infantry Support Vehicle for US Marine Corps, 1967, built by FMC Corp.

Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.



CM-581 of KZNO, Kurgan Plant. http://www.kzno.ru/main/katalog/Snego



C 21, 1948, from Gorki Institute, followed by C-22.



Tracked vehicles 1947-48 from Gorki Polytechnic Institute, Russia. Left to right : GPI-20 and GPI-21 of 1947, GPI-22 of 1948, Below right, GPI-22 tows GAZ-AA. http://www.zvm-nn.ru/info/history/



GPI-23 Snow and Marsh Mobile, 1949-1960,  from Gorky Polytechnic Institute. http://www.zvm-nn.ru/info/history/



GPI-S20 and GPI-21, 1947 followed by GPI-22, 1948 were the first snow and marsh vehicles in USSR from Polytechnic Institute of Technology now ONIL VM, Nizhny-Novgorod. http://www.zvm-nn.ru/info/history/


Light AT Tractor from Russia. Pictured by J M M at Beltring, GB, on 2004 07 23.


NSTU-2401, 1991, is the result of many years of work of former Gorki Institute, now ONIL VM, Nizhny-Novgorod


Rover Volgar on Internet. Probably a private venture, in 2010.


Thomas Rover, homemade amphibious, mass 800 kg. http://www.snowmobile.ru/forum/viewtopic.php?f=84&t=46675


Tracked Vehicle from Russia, on youtube.



Yukon tracked vehicle homemade, from Russia.     http://lunohodov.net/forum/viewtopic.php?t=7205


Yukon tracked vehicle homemade, from Russia. Mass 820 kg, capacity 500 kg, Trailer 700 kg, speed 38 km/h.     http://lunohodov.net/forum/viewtopic.php?t=7205





Volcano Tracked vehicle, 2011, 1160 kg + 200 kg payload.    http://lunohodov.net/forum/viewtopic.php?t=6350       http://www.youtube.com/watch?v=UBJ_UW9SpIw


Homemade tracked vehicle Parma, 2012.              http://lunohodov.net/forum/viewtopic.php?p=289436


Barsik home made tracked vehicle at Pskov, 2011     http://lunohodov.net/forum/viewtopic.php?t=6007&start=45&postdays=0&postorder=asc&highlight=



Makeri tractor of the 80s, from Hiunummentie, Rauma, Finland. J M M archives.




Patu M100


Patu M 100 Excavator of the 80s, from Joensuu, North Karelia, Finland. http://www.maskinisten.net/viewtopic.php?t=6015&postdays=0&postorder=asc&&start=15http:


Patu M 100. http://www.maskinisten.net/viewtopic.php?t=6015&postdays=0&postorder=asc&&start=15


Vammas Sergent conversion on Ford 5000, Finland. These overall tracks on agricultural tractor, invented by J A Bombardier in the 50s, were efficient and rather economic.


Vammas Tractor VM-84, conversion of a 6610 Ford. From Finland.



VMV Stalo forestry tractor of the 70s.   http://www.maskinisten.net/viewtopic.php?p=367692#367692



Ford 7740 with Sure-Trac Kit TM 110 of Ebert Welding Ltd. Pict  Francis Pierre in the 90s.


Ford F tractor with Trackson full-track conversion. Pict  Francis Pierre, about 2000.


Fordson F with Trackford full track conversion made at San Francisco. Pict  Francis Pierre at Heidrick Ag History Center, Woodland, Ca, 2000.


Fordson Johnson Trackpull in the 20s. The Johson Trackpull adapter of the Belle City Manufacturing Company, Racine, Wisconsin, was designed for agriculture. Picture from book of Fred Crismon ‘US Military Tracked Vehicles’, Motorbook International Publishers & Wholesalers, 1992.


Cletrac M2, 7 ton, 137 hp Hercules engine, known as High Speed Tractor, produced in 1941 for US Air Force. Track were fitted with rubber pads to preserve runways. Pict  Francis Pierre, Caspers, Wyoming, 1998.



McCormick-Deering TracTracTor Model T-20. This one is fitted with rubber pads. Pict  Francis Pierre, late 90s.



Tracked Tractor. Pict  Francis Pierre, in late 90s.



Eimco 105 excavator, 1956, from Eimco Corp, Salt Lake City, Utah built under licence by St Chamont, Creuzot Loire Group. Pict J M M, Neuf Chef Museum near Thionville, France, 2005 09.



Shenwa tracked vehicle model  XKL 110, 150 hp Yamnar engine, automatic transmission, total mass 6 t, payload 3 t, from Shandong, China. http://xiankelaimachine.












Bear Tractor Inc., 1924, New-York, N. Y.


Deering D tractor, 1938, manufactured by International Harvester Company, Chicago, Illinois. Picture J M Maclou at Compa Museum, Chartres, France on 2004 01.


Earl Mallory Tractor T-198 was built at Knights Landing, CA, in 1944 with old surplus parts when new tractors were unavailable. It belonged to Phil Leiser and was gifted to Fred Heidrick, Sr by Leiser familly. 60 hp diesel Cummins engine, 9 t, pictured by J M M at Heidrick Museum, Woodland, CA, on June 2001.


HI Renault Tractor, 1920 to 1927, with articulated tracks, at Maurice Dufresne Museum, Azay le Rideau on 2004 10. Pict J M M.


Tractors at Maurice Dufresne Museum, Azay-le-Rideau, on 2004 05 06 : Cletrac, National, Renault, Fendt. Pict J M M.


Old Tractors Show at Souvigné, Poitou, France, in 2004. Below, a Cletrac. Pict J M M.



Straddle tractor Vidal, tested in vines of Azay le Rideau, France, in 1920. Pict J M M at Maurice Dufresne Museum, 4 km of Azay le Rideau, on 2004 05 06.



MM2 Spray Rig, Marsh Master, of Coast Machinary LLC, Baton Rouge, Louisiana, used as mosquitos control or pipeline maintenance. Payload capacity in water is 600 kg 87 hp Detroit Diesel engine. John B. Coast began to built his first amphibian in 1971 and the first Marsh Master was delivered in 1981. http://www.marshmaster.com/



Bogie-Tractor wagon TV-Ettan, mass 2.200 kg, load 18 T, manufactured by Agerprodukter AB, Vikarbyn, Sweden, around the 70s. From www.fao.org



BMC Nuffield 245 fitted with two 3 cylinders engines. Above picture is from 1967. Modified by Hutdins from BMC Sweden AB Stokholm. http://www.bengts.com/machinebmc.html


Nuffield 245 from 1958-1961 to 1970. Built at Malä, Sweden, by Hultdins Verkstad Ab on a BMC Nuffield tractor for forestry. Wheels were driven by rollers themselves driven by two engines, one per side.  Hultdins Systems Ltd allways exists, since 1928. Engine 52 hp, then 120 hp. http://www.nuhvi.net/index.php?option=

com_content&view=article&id=80&Itemid=43  www.antiquetractorforum.com



Bamse Bolinder-Munktell BMB 230, whose 732 units have been built from 1957 to 1962. This tractor was a success for forestry work in this period. Mass 3,6 T and 4,3 T total. Volvo acquired BM in 1950.




Bamse Bolinder-Munktell BMB 230.



Bamse Bolinder-Munktell. http://home.swipnet.se/Halvbandet/Skogsbrukets%20






Penguin issued from Mk III of Bombardier in 1946 during Mux-Ox Canadian Expedition. See chapter : J.A. Bombardier : snow travel. Pict : cover of the review 'Science et Vie', Feb 1949.




Bombardier amphibian, WWII. Pict from Outlines MV1 of Jeff Woods, Outline Publications, London, 1984.




Ratrac imported Thiokol in Switzerland and Europe in the 60s and 70s.

Ratrac 1970



 Yamnar C50S tracked dumper. Pict J M M at Intermat, Villepinte, 2009 04.


 Tracked vehicle on  Internet  :  Rubber tracks comes from  Yunhe Rubber & Plastics Chemical Co., Ltd., Gouzhang Industrial Zone, China.            www.yunhe.en.buystrade.com


 Tracks at Intermat. Pict J M M at Intermat, Villepinte, 2009 04.




 Polytrac tractor was on sale on the site www.agriaffaires.com  in 2007.         


Morooka TRC50. Pict J M M, Forexpo, Bordeaux, 2008 06



Chevy Astro Groomer from www.forumsforums.com


Rip Saw from Howe and Howe, built for Grand Challenge in 2005. 128 km/h. Howe brothers built many types of tracked vehicles.  http://www.howeandhow




Howeandhowe full Ripsaw   http://www.howe






Mini Ripsaw of Howe and Howe.   http://www.howeandhowe

technologies.com/   and   http://lunohodov.net/forum/viewtopic.php?p=71410




Goldoni Tracked Tractor. Pict J M M at SIMA, Villepinte, 2009 02.


 ASV ST-50 Scout. Tracked Utility Vehicle. Rubber tracks are made for Caterpillar, Terex, Posi-track, Track Truck.              http://www.trackloader




Amphib-Alaska      http://www.alaskadispatch.com/article/coast-guard-considers-arctic-amphibious-vehicles-far-north-gets-busier       http://amphib-alaska.com/



Amphib-Alaska amphibious vehicle, 2nd prototype of a true tracked vehicle whose tracks can be raised to travel on water.



Amphib-Alaska Proto 1 amphibious vehicle


Amphib-Alaska Proto 1 amphibious vehicle



Amphib-Alaska Proto 1 of Hewitt Equipment, Ketchikan, AK. http://www.trendhunter.com/trends/amphibalaska-amphibious-vehicle



Iguana IG 29, 2011, from Iguana Yachts located between Mt St Michel Bay and South of Jersey. This is a true boat for 8 passengers, speed 74 km/h, which can move on land at little speed, thanks to its tracks operated by electric motors. Designed by Antoine Fritsh and Tanguy le Bihan.   http://iguana-yachts.com/default.asp?lang=fr&rubrique=concept


Iguana IG 29. Pict Eric Sander.  http://iguana-yachts.com/default.asp?lang=fr&rubrique=gallery



Frandee. http://i21.photobucket.com/albums/b296/karmasoft/Trackmaster03.jpg http://www.forums



Frandee tracked vehicle. See Chap 'Thiokol and LMC tracked vehicles' from : www.forumsforums.com  www.forum.m29weasel.com




This experimental Tracked Vehicle seems to be a model 'make it yourself' whose plans were published by 'Popular Mechanics' in early 50s. See Chap 'Thiokol and LMC Tracked Vehicles' where it is mentioned in the third § : this vehicle could probably be a Frandee. Note grousers of tracks in wood. Pict  Francis Pierre, Riverton, Wyoming,1998.


Thiokol Spryte 1200. See chap 'Thiokol and LMC Tracked Vehicles'.


Tthiokol Spryte 1200C, 1974.


Thiokol Spryte. See chap 'Thiokol and LMC tracked Vehicles'.

heavy-duty-over-snow-and-off-highway-vehicles-1969-h.pdf Heavy-duty-over-snow-and-off-highway-vehicles-1969-h.pdf



Thiokol/Ratrac Spryte Amphibian. Pictures J M M at Chindrieux, near Le Bouget Lake on 24-25 May 1996 at EID, Entente Interdépartementale de Démoustication, for Mosquito Control.


Thiokol/Ratrac Spryte Amphibian. Pict J M M at Chindrieux, 1996.


Thiokol/Ratrac Spryte Amphibian.

Pict J M M at Chindrieux, 1996.



Ratrac, 1968. J M M archives.

ratrac-used-for-xeme-olympic-games-grenoble-1968.pdf Ratrac-used-for-xeme-olympic-games-grenoble-1968.pdf

ratrac-pister.pdf Ratrac-pister.pdf

rartrac-sbw-md-80.pdf Ratrac-sbw-md-80.pdf


Ratrac customized, 1979,

sold on ebay in 2006.




 Takeuchi TL250 Loader. Pict J M M, Intermat, Villepinte, 2009 04.


 Takeuchi TCR50. Pict J M M, Intermat, Villepinte, 2009 04.



Takeuchi TCR50 Dumper. Pict J M M at Intermat, Villepinte, 2006 04.


Takeuchi tracked carrier TCR50.  Pict J M M at Intermat, Villepinte, 2006 04.



Yanmar Transporter from 1993. Pict Francis Pierre, Moerdjik, The Netherlands in 2000.


Yanmar Transporter C60R of 1992. Pict Francis Pierre, Moerdjik, The Netherlands in 2000.


Takeuchi TL 26 Tracked Loader. Pict Francis Pierre, 1999.


Hanix Crawler Transporter RT300, late 1990. Pict Francis Pierre, Moerdjik, The Netherlands in 2000.


Crawler, Japanese mini truck, full tracked.


 Morooka dumper MST-1550VD. Pict J M M at Intermat, Villepinte, 2006 04.


Komatsu looks like Morooka :

komatsu-crawler-carrier-cd60r-1a-h.pdf Komatsu-crawler-carrier-cd60r-1a-h.pdf



Yamnar Dumpers. Pict J M M at Intermat, Villepinte, 2012 04.





Morooka MST-300VD R dumper at Forexpo, Bordeaux, 2004 04 21. Pict J M M.






Morooka dumpers, Pict J M M at Intermat, Villepinte, 2012 04.



Morooka rubber tracked carrier in the 2000s, from Internet.


Ohara SM15, 1975, from Japan. http://www.jcmoto.ru/jc/view/moto/M279789.html

Victor Bouffort first prototype tracked vehicle, 1952-53. Pict from book 'Hotchkiss 1870-1970' of Daniel Tard, Editor Massin, 1994.

VP 90 C of Fouga around 1956. 10 copies were built.

Pict from book 'Hotchkiss 1870-1970' of Daniel Tard, Editor Massin, 1994.

VP 90 C Tracked Vehicle prototype designed by Victor Bouffort in 1955-56, manufactured by Fouga and enhanced by Hotchkiss. Small and light with 2 lying men crew. Length 3,45 m, height 0.8 m only, Mass 2500 kg, 1600 cm 3 Porche engine. Pict J M M inside Fort of Hackenberg, Maginot line, near Thionville, France in 2005 08.

VP 90 Hotchkiss-Brant, 1977 succeeded to VP 90 Fouga. In 1980 Hotchkiss-Brandt was sold to Lohr. Pict from book 'Hotchkiss 1870-1970' of Daniel Tard, Editor Massin, 1994.

Suspension VP 90 Fouga, patent from 1955, built in 1956. This system could lower the front and  raised rear (or reverse) to easier aim for arms. Pict from book 'Hotchkiss 1870-1970' of Daniel Tard,  Massin Editor, 1994.


VP90 Fouga. Pict J M M at Saumur Museum, 2000 03.

VP90 of Hotchkiss in the 90s, designed by Victor Bouffort and built at the beginning by Fouga. J M M archives.

Tracked vehicle of Ordonance Division of  FMC Corporation, San Jose, California, 1965. The tracks are those of M113. Pict of 'The Engineer', July 1965.

Tracked Peugeot test, 1923. Pict from VM International 1986 08-10.



Roadless County CD 50 long and wide tracked swamp tractor in Ireland peat in the 50's. Pict from book 'Roadless County' of Allan Condie, Allan Condie Publications, 1993.



County swamp crawlers about the 50s for working in peat-bog of Ireland. The wooden tracks (oak) are 76 cm wide. Upper : County Full Track, lower : Board-na-mona tractor.   Picture from book ‘County, a Picturial Review’ of Stuart Gibbard, Farming Press, 1997.




Neil Godsman tracked low ground pressure trailer of Aberdeen, 700 mm tracks wide provide 0,14 kg/cm² of ground pressure at the price of £ 5.600 in 1983. For working in peat. Pict of review Power Farming, Aug 1983.



Ferguson Model TEA-20 Tractor known as Sue used by Sir Edmund Hillary during expedition to South Pole in 1958. There were 3 tractors (1955-58) that always exist. This one was bought by Massey-Ferguson and after transit by Coventry, London and Stoneleigh, is now exposed at the Technology Center of Massey-Ferguson AGCO at Beauvais, France.       http://www.scalefarm.com/u-2921_model-uh-ag_universal_hobbies_





Track conversions on Ferguson tractors in the 50s. : Upper : Conversion of Bamford and Cameron. Lower : Conversion of Burdge. Pict from 'Tracteur Retro Special Ferguson', 2011.



Ferguson Tractor of Sir Edmund Hillary with which he reached South Pole during 1958 Trans-Arctic Expedition, section of New Zeeland. It was the first motor vehicle to reach South Pole and is now exposed at Canterbury museum, Christchurch, New Zeeland.   http://www.calacademy.org/




Kristi KT-7, from site : http://www.forums





Kristi KT-3, 1960                  


Kristi Snocat : Trip into Soda Mountain, Oregon  http://home.earthlink.net/~wilkinsn1/id4.html


Kristi KT-3                http://www.forums




Kristi KWT, 1965-66. Tracks and intermediate wheels could be quickly removed and stowed rear to move on roads.        http://www.safetyoneinc.com/specsheets/kristi.announce.1.html



TDT-40 crawler for logging work. http://techstory.ru/trr_foto/trr_ontz.htm


Forestry KT12-MTZ Tractor, 1948 at Kirov plant and at Minsk from 1951 to 1956, 45 hp, 12,3 km/h, 2415 kg. It is the same model, more recent.



Risley Equipment, Grande Prairie, AB, multi-Purpose tracked vehicles for forestry, mine, gas, construction, agriculture. EZ200 and EX400 feature a patented Dynamic Oscillating Suspension to distribute load.    http://www.risleyequip




Oxtrac of Tremzac. Tremzac, founded in 2001 at St Bonaventure near Drummonville is a subsidiary of Machineries Tremzaction. In 2008, Tremzac acquired all the rights of multi-task tracked vehicle  Oxtrac. Pict J M M at Euroforest, St Bonnet de Joux, 2010 06.



Ox of Tremzac, Quebec. Pict J M M at  Forexpo, Mimizan, France on 2012 06.




Valuny Tracked Vehicle on youtube : http://www.youtube.com/



Tracked transformation on Honda truck. From www.lunohovod.net     http://fotki.yandex.ru/users/ptaha1983/view/186345/?page=2 


Tracked Japanese vans from site www.bushtaxi.de


Tucker Tank of Tucker in the 50s.      http://www.timwafer.com



 Sääski and Jarcrac tracked vehicles built on demand by Metallirakennus at Kela Village, Finland.   http://metallirakennus.com



 Telakarhu tracked vehicles, Finland                http://www.karhunpoika.




Tracked vehicles at Lycksele museum, 700 km North Stockholm, Sweden.      http://mikaelvoss.scorpion

shops.com/pictures/index.php?twg_album=Maskine    http://mikaelvoss.scorpions






Snow Groomer Bächler in the 70s, from Bächler Top Track AG, Auw, Switzerland.  Now this brand built only attachment for snow-grooming. Pict collection of Francis Pierre.  

snow-groomer-bachler.pdf Snow-groomer-bachler.pdf




VMC Right Track models sno-cat  had 3 models Here is  RT04. VMC Right Track Inc., Lachine-Montréal, QC, marketed also parts and accessories for LMC Bombardier, Foremost, Tucker. The Company was dissolved in 2005.    http://www.vmcrighttrack.com/



Ardco Driller's Rig of the 80s. J M M archives.

Ardco Driller\'s rig



Caterpillar loader 252 B, tracked



SAME Explorer 75C76 Mulcher used for mosquito control on shores of Lac du Bourget, France. J M M, May 25, 1996.

Pierce FTS 170 Fastrack Skidder from Pierce-Pacific MFG, Inc., Tualatin, Oregon, always exists. F. Pierre archives.

pierce-fts-170-fastrack-skidder-h.pdf Pierce-fts-170-fastrack-skidder-h.pdf

Overland, Johnson, Light D Tank, 1922. Suspension bogie systems were designed for high speed. Pict from the book of Bart H. Vanderveen ‘The Observers Army Vehicles Directory from to 1940’, Warne 1972.

Ordnance tractor, Amphibious, 1918-19, designed by Colonel Chase. Payload 226 kg, Speed 48 km/h. Pict from the book of Bart H. Vanderveen ‘The Observers Army vehicles Directory to 1940’, Warne, 1974.

Landswerk 132 tractor, from Sweden, 90 hp, 5.5 tons, speed 24 km/h. It was commercially available. Pict from the book of Bart H. Vanderveen ‘The Observers Army Vehicles Directory from to 1940’.

Hornsby Tractor, 1905, 20hp, oil engine, with a crawler conversion of 1896. It was the first crawler without tiller wheels and fitted with brakes on each track. Patent will be bought by Benjamin Holt and well exploited. See chap 'Changes around the track'.

Hytracker Amphibious of Craig Caledonia Company Ltd, Buchlyvie, GB. Ford 98 hp engine, Hydrostatic drive, 38 km/h, rubber tracks with steel grousers. Collection of Francis Pierre.

hytracker.pdf Hytracker.pdf


Vermeer tracked loader. Pict J M M at Intermat, Villepinte, 2006 06.




Csepel D-800 tracked vehicle, 1953, from Hungary. http://www.autopictu.com/19930-csepel-800.html


GAZ 3409 «Bobr»    www.vezdehod.okis.ru  


GAZ-3409 Beaver (or Bobr) Amphibian http://www.lenaproms.ru/?D=187


GAZ-34039 Irbis, from Nizhny-Novgorod, speed 65 km/h, 5,6 km/h on water. Mass 6800 kg,  payload 2000 kg, for 10 passengers, 122 hp, consumption on road 50l/100.               http://technics.rin.ru/index/?a=3&id=326


GT-TR tracked vehicles from Altaytransmash-Service LLC at Rubtsovsk, Region of Altaï in Siberia, used for firefighting, tanks, rescue, petroleum services, http://www.100best.ru/




GUIs-C-20 (then 21-22-23 prototypes) Carrier, 1948. Capacity 0,8 t with a speed of 50 km/h and 30 km/h on snow. Theses proto will lead to the GAZ 47 in 1954.    http://www.spec-technika.ru/?page=issue&pid=100684&sub=



 Motex MT M08, 2011.   www.motex.ru


 Tracked vehicles from Russia with civilian body. In the 2000s. Right below is Kinechma.




Weasel of  'Expéditions Polaires Françaises'. Pict J M M at Rétromobille, Paris, 2007 02.


Weasel of French Polar Expeditions in the 50s. Pict J M M at Rétromobile, Paris, 2007 02.




Amphibious Weasel. Pict J M M at La Ferté Alais, 2008 06.


Studbaker Weasel M29C, Amphibious, 65 hp, mass 2172 kg, payload 545 kg, 58 km/h. From USA, WWII. Pict J M M at Liberty Museum, Overloon, The Netherlands, 2009 03.


Cletrac M2 High Speed Tractor of US Air Force during WWII. Pict J M M at Liberty Museum, Overloon, The Netherlands on 2007 04.


Cletrac M2, WWII. Pict J M M at Overloon, The Netherlands, 2009 03.


Linn tracked Trailer in the 40s. Pict J M M at Liberty Museum, Overloon, The Netherlands, 2007 04.


Trailer, Track-Laying, 8 Ton, Linn, capable of carrying heavy load for sustained periods but speed was only 24 km/h on road and 3 off-road. High turning radius of 19,8 m, with a high level of noise of the un-lubricated tracks. Pict J M M at Liberty Museum, Overloon, 2009 03.



Dorotea Amphibian, from Sweden. See also page 21.








Truxor Amphibious vehicle of Dorotea, Sweden. Pict J M M at Intermat, Villepinte, 2012 04.





Truxor Amphibious from Sweden. Pict J M M Intermat, Villepinte, 2009 04.




Dorotea Truxor Amphibian from Dorotea Mekaniska AB, Sweden.


Dorotea Amphibian. www.doroteamekaniska.se

Ecotec Mecato Chargeur in the 80s. J M M archives.

ecotec-mecato-chargeur-h.pdf Ecotec-mecato-chargeur-h.pdf

Doll Tractor Typ RF 15.400, 2000. It has 80 cm tracks width, air suspension, hydrostatic drive, 200 -600 hp engine and speed 30 km/h. Doll Fahrzeugbau AG is at Oppenau, Germany and build special trucks.



Bulldog from Union Tractor Co., San Francisco, 1917. Fitted with rather unusual track suspension in arch may have used a solid type track.

 Pict from the book of James A. Young & Jerry D. Budy : ‘Endless Tracks in the Woods’, Crestline, Motorbooks, Osceola, 1989.



Fordson with Roadless tracks in early 30s. Pict from book 'Roadless County' of Allan Condie, Allan Condie Publications, 1993.



Roadless Traction of Roadless County full tracked E27N crawlers produced in 1954 under the name of J17. The tracks are rubber jointed. Pict from book 'Roadless County' of Allan Condie, Allan Condie Publications, 1993.





Terraflex Otico, Chalmaison, France. This rubber tracks company was founded in 1971. J M M archives.

otico-terraflex-h.pdf Otico-terraflex-h.pdf









Tractor with Otico Terraflex TX6 tracks. Otico SAS, since 1971, Chalmaison, France     http://www.otico.com/spip.php?article99



Terraflex Otico TX4 transporter for agriculture, viticulture, truck farming, orchards, nurseries, handling, public works.       http://www.otico.com/spip.php?article97


U.emme sovemente s, 1996, from Modigliana, Italy. Collection Francis Pierre.

u-emme-semovente-s.pdf U-emme-semovente-s.pdf



Protrac Rubber-track for skid steering loader.    




Right Track Systems from Edmonton, Alberta. Rubber tracks are fitted on a New Holland loader. http://www.righttrack




Alttrak T408 2006 uploaded by Walter Ruda on http://www.farmphoto.com/thread.aspx?mid=258581#258581

Bofors Tractor FM32, 1932, derived from an agricultural tractor. Pict from the book of Bart H. Vanderveen ‘The Observers Army Vehicles Directory from to 1940’, Warne, 1974.

AOM tracks for wheeled loader. Pict J M M at Intermat, Villepinte, 2006 06.

Amphi-King Amphibian, 75 hp, from Schröer Environment and Watertechnology, Haren, Germany. http://www.senwatec.com/

Alttai 205, 2005, http://www.farmphoto.com/thread.aspx?mid=247717#247717

Hiller of Pist and Terranteknik, 2000, Sweden. This tracked vehicle was distributed by Argo and Crayford. Over 800 were built and sold all over the world about 2003, particularly in Scotland. A more recent model was called Gauron.

Land Tamer Tracked 8x8. www.landtamer.com

Land Tamer Tracked 8x8. http://www.landtamer.com/

Land Tamer Tracked 6x6.

Full Metal Jacket Monster Truck built on 1990 Chevrolet G20, 12 t. http://www.bigpete.org/monster-truck-tech-specs/

Fordson Roadless, 1930. Pict from the book of Stuart Gibbard, 'Roadless', Farming Press, 1996.

Samson Roadless, around 1920. Pict from the book of Stuart Gibbard, 'Roadless', Farming Press, 1996.

Waveless road roller, 1926, with Orolo tracks, built by J Allen & Sons, Oxford. Pict from the book of Stuart Gibbard, 'Roadless', Farming Press, 1996.

Volgograg from www.farmphoto.com site.

Meili tracked vehicle in the 80's. Hydrostatic transmission, 52 hp. J M M archives.

meili-tracked-vehicle.pdf Meili-tracked-vehicle.pdf

Proferram tracked tractor from Czech Republic in the 80s. J M M archives.

proferram-tractor.pdf Proferram-tractor.pdf

Gregoire rubber tracked tractor TC 160. Mass 7500 kg, 160 hp, Hydrostatic transmission, 20 km/h. At Chateaubernard near Cognac, France, in the 80s. J M M archives.

gregoire-tc-160-tractor-h.pdf Gregoire-tc-160-tractor-h.pdf



UZOLA ZVM-2411 designed in 2006-2007, at ONIL VM, Nizhny-Novgorod, fitted with steel and rubber tracks. Different models exist, particularly double-cab 7 places and platform. 110 hp diesel or 150 hp gasoline. http://www.snow-mobiles.eu/uzola.html



Uhtysha tracked home made vehicle, 2010.





Tracked vehicle, homemade.


Tracked vehicle on Youtube  http://www.youtube

.com/watch?v=DMh-2-dJIM8 http://www.youtube.com/watch?v=ZXW-TMSTmks&feature=plcp http://www.youtube.com/watch?v=qzYDyz89I_s&feature=plcp


Tracked vehicle on site  : www.//krpb.ru 


T 42, 1948, this is a prototype from Gorki Institute, in response to Bombardier Snow-mobile tested in USSR. The T-42 lacked power, reliability and was not easy to steer. In the same time, the C 20 was built.


Oural ATV designed in 1943-44 at Motorcycle Irbit Plant IMZ. Engine was that of a motorcycle M72 and tracks made of rubber. Tested in Feb 1944, it failed due to broken gearing and was cancelled.



Nami-0103 (1 t), 0105 (2 t), 0114 (20 t) of the 60s and 70s.





Metelica Tracked undercarriage with Niva bolt on this chassis. http://inventions.ru/post_1267610046.html


GT-T and GAZ-34039


GAZ-3409 Bobr. Gaz Group is the largest of Russia, headquarters are located in Nizhny Novgorod. Total mass 3500 kg, payload 600 kg or 6 persons,  trailer 1300 kg, 110 hp, length 4,5 m, 63 km/h,  6 km/h on water, ground pressure 0.14kg/cm². http://www.zzgt.ru/


Gastroymashina GTM-051, Tioumen.      http://skbgsm.ru/



Snow Gott of Vic Elford en 1974. Pict of the review 'Action Automobile et Touristique', Dec-Jan 1975.

Snow Gott



Snow Gott,   www.pistenraupe.de                                                      



Snow-Gott. Pict from the reviw 'L'Auto-Journal', Feb 1975.

snow-gott-1975-h.pdf Snow-gott-1975-h.pdf



Auto-Track, 1921, of Auto-Track-Tractor Syndicate, San Francisco produced from 1921 to 1924. Buda engine and use of 50 rollers bearing in the tracks, mass 4,535 kg.

 Pict from the book of James A. Young & Jerry D. Budy : ‘Endless Tracks in the Woods’, Crestline, Motorbooks, Osceola, 1989.



Büssing tractor prototype, 1919, from Braunschweig, Germany.  Pict from the book of Wolgan H. Gebhardt : 'Deutsche Raupenschlepper', Schrader Verlag, Stuttgart, 2000.


CS-800 Csepel, 1953.          http://forum.index.hu/Article/jumpTree?a=66094961&t=9020005&token=fdb810f1e66e9e8196



 D.K. Karelskihh from Russia in the 20s. Pict from book of Alain Dupouy, Auto-éditeur : 'Les véhicules tout-terrain N° 11 Tome I'. 1995.


 Dürkopp tractor, 1924, from Dürkopp-Werke AG Bielefeld, Berlin, Germany. This brand only lasted from 1924 to 1927. Pict from the book of Wolgan H. Gebhardt : 'Deutsche Raupenschlepper', Schrader Verlag, Stuttgart, 2000.


 Mommenday tracked tractor from 1937 to 1947. Mommenday Company, Rapperswill, Switzerland, took patents and made tracks which were theoretically sealed and steel pads (covered with rubber) moved around a steel frame. Unfortunately, sand or dusty could get in the tracks but not get out so it could abrases the rollers.  More, rigid tracks caused tipping of the tractor on a mound. Nevertheless, patents were sold to Faure-Uranus in 1947. pict from : http://forum.bauforum24.biz/forum/index.php?showtopic=8328&st=10



Uranus crawler, 1939, from Uranus Traktoren AG, Switzerland. 30-40 hp, 2.300 kg.  Pict  from the book of  Richard H Robinson: ‘Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000. Credit : Franz Morgenegg's book 'Vevet'.


 Uranus C of Sisma, Milan, patented Mommenday tracks, from 1952 to 1959 whose 28 units were manufactured. Pict from Review 'Tracteurs Passions et Collections', May-June 2012, Histoire et Collections, Paris.


 Faun K 60 with Mommenday tracks, 1949-50. Some think it was manufactured under license La Licorne.     http://forum.bauforum24.biz/forum/index.php?showtopic=8328&st=10


 Faure Uranus TU-125, 1947-56 of CFAMH, Compagnie des Forges et Aciéries de la Marine et d'Homécourt and later by CAFL, Compagnie des Aciéries et Forges de la Loire. It was equipped with Salmson then Delahaye engines. It's in fact a patented Mommenday re-bodied. Speed 12 km/h. Rubber plates or metal pins could be fitted on the track. 102 tractors were built between 1947 and 1949.  Pict of the book : ’Histoire des Tracteurs à Chenilles en France’ de Jean Noulin,  ETAI, Boulogne-Billancourt, 1997.



St Chamond tractors, 1953. TVD had Uranus track and PM1 (2 lower pictures) with Perkins diesel engines had conventional tracks. In 1954, the company became CAFL, Compagnie des Ateliers et Forges de la Loire, St Chamond, Firminy, St Etienne. PM2 tractor was then unveiled. http://mototracteurs.forumactif.com/t2544-les-chenillards-st-chamond ;  pict of the book of St Chamond.



La Licorne LW Tractor, 1948. This old company of Courbevoie, France, bought, like Faure-Uranus, the patent of tracks Mommenday and built the LW but only 10 units were built in 1948 and 21 in 1949, due to premature wear of the tracks. La Licorne was bought by Berliet in 1949.                   



La Licorne Tractor, restored. It seems only one LW is known and restored today. It has 2 helical springs instead of leaf springs. This one was used at the American base of Châteauroux to tow planes.         http://vieilles-soupapes.grafbb.com/t6129-tracteur-a-chenilles-la-licorne


 Garrett Multispeed tractor, 1933, with Roadless tracks, from Richard Garrett & Sons Ltd, GB. Four were built. http://www.practical

machinist.com/vb/antique-machinery-history/ot-crawler-tractors-196276/index15.html. Pict from Garrett diesel tractors by RA Whitehead, 1964.


 Hurlimann model MS, 1938, primarily for snowy terrains, from Switzerland. 70 hp.  Pict  from the book of  Richard H Robinson: ‘ Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000. Credit : Franz Morgenegg's book 'Vevet'.


 John Ohrn tractor, 1965, from Sodertalje, Sweden.  Pict  from the book of  Richard H Robinson: ‘ Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000.


 Linke-Hofmann-Busch tractor, 1931, 55 hp. Articulation of the suspension follows uneven terrain. Known brands like Famo, Hanomag, KHD (Deutz), Lanz made a wide variety of tracked tractors. Pict from the book of Wolgan H. Gebhardt : 'Deutsche Raupenschlepper', Schrader Verlag, Stuttgart, 2000.


 Multi-Cat of Meili, end of the 60s. It was a personal carrier. See chap 'Meili tractors and Gama-Goat'. Picture from book of Gerold Röthlin ‘From Autotractor to modern special vehicles’ from Verlag Gerold Röthlin, Kriens, 2004.


 OTO C40C, 1957, from Milano, Italia. Pict from the book of  Richard H Robinson: ‘Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000.


 Raimondi Bruco, 1953, 30 hp, 14,5 km/h. Pict from the book of  Richard H Robinson: ‘ Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000.


 Scheuch tractor, 1945, from Erfurt, Germany.  Pict from the book of Wolgan H. Gebhardt : 'Deutsche Raupenschlepper', Schrader Verlag, Stuttgart, 2000.



Vevey MC2 proto, 1943, from Switzerland. Pict from the book of  Richard H Robinson: ‘Crawler Tractor Scrapbook’ Part Three, Country Life Ltd, New Zealand, 2000. Credit : Franz Morgenegg's book 'Vevey'.


Varmit tractor built in Portland, Oregon about 1979. Pict of the book of  Richard H Robinson: ‘ Crawler Tractor Scrapbook’ Part One, Country Life Ltd, New Zealand, 2000.


T 150 tractor.     http://fermer.ru/forum/obshchie-voprosy-po-selskokhozyaistvennoi-tekhnike/130694?page=1     http://www.techstory.ru/foto18/11/t150e_arx11.jpg


SKB GazStroyMashina       http://www.krpb.ru/download.php?id=644&sid=5311bd069dc2566b



Fordson-Poutilovets tractor, 1929, with Alvatracks in Russia, 1929. Pict from book of Alain Dupouy, Auto-éditeur : 'Les véhicules tout-terrain N° 11 Tome I'. 1995.


CM-581 family from JSC Kurgan.    http://kzno.ru/main/article/O-kompanii



Cletrac HG rubber tracked tractor from Blake Malkamaki Collection. Rubber tracks were invented a long time ago

but the rubber were out fast.


model/pic-HG.html, from the Oliver Shield - Vol. 15, No. 1 (Dec-Jan 1946-47).


Cletrac and Oliver tractors, above and center : Oliver Cletrac HG, 1947, below : HG OC 3.








Cletrac rubber tracked crawler model HG, 1945-48. Pict from book of P. A. Letourneau : 'Cletrac and Oliver crawlers', Iconografix, Osceola, 1996.




Crosley Duck.   http://blog.hemmings.com/





Crosley Duck in the 40s.  http://blog.hemmings.com/






Roadless tracks on 1937 Fordson fitted with swamp shoes. Despite their width, the machine dug in peat bogs when applied a slight pull on the drawbar. Pict from book 'Roadless County' of Allan Condie, Allan Condie Publications, 1993.




Roadless County Case L before WWII, used as a lifeboat at RNLI. Pict from book 'Roadless County' of Allan Condie, Allan Condie Publications, 1993.






Murco Swamp Trac, 1963, from Murco, Dover, Delaware. From ebay.


James Welch 1857 improved mobile railway.     http://armor.kiev.ua/lib/tank/1-2/t2.html


Track of Cayley Gorges, 1825, England, for universal rail-road with transversal wheels for easy turning.    http://armor.kiev.ua/lib/tank/1-2/t2.html


KASTOR-II of Scop Sagne, 2005. 59 KW, hydrostatic transmission, Scop Sagne is at Péchaudier, France.



Oliver tractor with wooden tracks for swamps.


Jeep CJ5 with Wagner Tracks, 1969 (formerly Uni-Trac). With a speed 24 km/h, it included a steering system by brakes. Pict from 'Construction Equipment and Materiels', May 1969. Pict collection of  F. Pierre.



Wagner-Trac and Globe Power Trax


Wagner Tracks called 'Wagner-Trac' of 1969 on a 1967 Jeep CJ-5. It could be fitted on 1955 through 1971 CJ-5 platform with 81 inches wheelbase. The company of the tracks was A. F. Wagner Industries Inc., Concord, CA.  Another kit was Globe Power Trac Ad, Globe Machine Manufacturing, Co., about 1969.      http://www.offroaders.com/





Otter Amphibian of Pontiac was built from the early to the end of the 50s as T46E1. 127 hp engine, payload 1360 kg for 3.9 t empty mass, speed 45 km/h, a propeller was fitted for amphibious operations. Pict from the review 'Military Machine International', May 2003.



M76 Otter amphibian in Alaska. Pict by Jerry Park, Alaska, in the 60s.



Voisin amphibious tracked vehicle, 2,5 t, 1953, at Etangs de Saclay, France. Pict from the book ‘Les véhicules Hors série’ of Jacques Borgé and Nicolas Viasnoff, Balland, 1976.



Wolseley Motor Sledges, 1910-11. Three of these sledges were used by Scott for Terra Nova expedition in South pole in 1911. Insufficiently tested, they broke at the beginning. Equipped with Wolseley Motor. http://www.practical



Twin Track, 1967, built by Kennth Stanaback in Grand Rapids, Michigan. http://webpages.charter.net/mdmead/snowmobiles/twintracks/stanaback/stanaback.htm



Tracks of snow groomers.



Hydr'Alp 150 groomer               



Leitner LH500W groomer on steep slope with help of a cable. http://www.safetyoneinc.com/specsheets/misc.leitner.1.html



Prinoth snow-groomer.



Snow groomers from the excellent site www.pistenraupe.de that presents about 80 brands of snow groomers and tracked vehicles, whose many unexpected : L to R and A to B : Fendt, Käsbohrer 300 Polar, Montaz Montino, Kässbohrer, Ratrac.


Ghe-Trac 250 groomer, probably from the 60s. Tracks span the entire width of the vehicle. Built by Ghedini & Ghezze, Cortina, Italy. http://www.snow-groomer.com/thumbnails.php?album=18


Axtrack Multipurpose vehicle.

axtrack-1.pdf Axtrack-1.pdf


Pisten Bully 600W with cable winch from the groomer to a fixed point allowing grooming on steep slopes 45° and more.



Pisten Bully 600 of Kässbohrer. Pict J M M at Le Lioran, France, on 2011 08.






Pisten Bully Kassbohrer and cable for moving in steep slopes. A winch is mounted at the rear of the cab.


Pisten Bully 100 of Kassbohrer in sand.


 Sigal M25 groomer, in the 80s, of Lecointre Company, Sèvres, France, was a subsidiary of Renault. It was chosen for Air Force to replace Snow-Trac. Hydraulics were from Yumbo.    www.forum.aceboard.net, which seems unfortunetly shut since 2012 08.


Sigal Groomer M25 in the 80s.   http://www.damage-dameuses.com/t718p20-sigal

sigal-groomer-h.pdf Sigal-groomer-h.pdf



Pisten Bully Paana. www.damage-dameuses.com




Pisten Bully of Kässbohrer.         



Flexmobil 100 Kässbohrer.


Flexmobil 100 Kässbohrer. http://www.pistenbully.com/en/picture-gallery.html



PistenBully 100 Flexmobil of Kässbohrer Geländefahrzeug, Laupheim, Germany, is today a tracked vehicle for all purposes in soft terrain. It is allowed to run on road with its rubber tracks. http://www.trackvehicle

repair.com/allterrain.html http://www.pisten




Flexmobil Kässbohrer, Laupheim, Germany. The first tracked Flexmobil appeared in 1983 and Pisten Bully was a snow groomer. Flexmobil could receive a tracked (hydraulically driven or not) trailer from 2 t to 4 t and as semi-trailer. The whole was not an articulated vehicle but a tractor with detachable trailer. J M M archives.

kassbohrer-flexmobil-h.pdf Kassbohrer-flexmobil-h.pdf



Flexmobil Kässbohrer and the trailer. J M M archives.

Flexmobil Kassbohrer



Hotchkiss TTC 50, early 60s. Pict from the book 'Hotchkiss 1870-1970' of Daniel Tard Massin, early 2000.



Hotchkiss HB 40 created in 1965 on demand of Paul Emile Victor, of French Polar Expeditions. It was designed by Victor Bouffort. Engine120 ch, 20 km/h in snow and 70 km/h on road. 12 persons could sit inside. Pictured by J M M at Rétromobile, Paris, in 2007.



Hotchkiss HB 40, 1965. Pictured by J M M at Rétromobile, Paris, in 2007.


Tracks of Hotchkiss HB 40. Pict J M M.



Hotchkiss HB 40 from early 60s, designed by Victor Bouffort for EPF,Expéditions Polaires Françaises. Payload 1,5 t , empty 2,5 t, ground pressure 120 g/cm² with rubber widener. 11 were built between 1964 and 1968. Pict J M M at Loco en Fête, La Ferté Alais, on June 1996.


Hotchkiss HB 40. Pict J M M.



General Transport vehicle NSU-Werke designed for mountain use in 1956-57 and tested in 1961-62. Mass 2,4 t, 60 km/h, 52 hp Porsche engine. Only 3 built.

 Pict from the book of Karl Anweiler 'Prototypen und Sonderfahrzeuge der Bundeswher seit 1956', Motorbuch Verlag, 2004.






U34 tracked tractor was issued from 411 Unimog, as Unitrac UT 45 or Tractortecnic. They were used in Africa and Asia.   www.unimogmania.com



Unitrac UT 90 Unimog of Tractortecnic Company of Gevelsberg, Germany. It was issued from Unimog U 421 and 406 of the late 60s for cab, engine, and transmission. 100 copies were built ; only 20 survived.



RSO, Radschlepper Ost, Tracked Tractor, East, 1942, by Steyr. 28000 units were built between 1942 and 1945 by Steyr, Klochner-Deutz-Magirus and Wanderer. Suspension by quarter-elliptic springs was very simple. J M M at Sinsheim Museum, 2004.



Motormuli M80, 1959. Steyr engine of 5322 cm3, 80 hp. Pict from the book of Karl Anweiler 'Prototypen und Sonderfahrzeuge der Bundeswher seit 1956', Motorbuch Verlag, 2004.


Motor Muli M30-M60 tracked vehicle, 1956. Steyr engine.        http://www.doppeladler.





Amphi-King 6x6 and tracked

Senwatec, Schröer

Environment and Watertechnology. http://www.senwatec.de/



Amphi-King tracked

Senwatec, Schröer Environment

and Watertechnology. http://www.senwatec.de/




 RT4  tracked vehicle.        http://fotki.yandex.ru/




Rover 'Storm' from Russia.







Barsik tracked vehicle, 2011.              http://lunohodov.net/forum/viewtopic.php?p=281152




Tracked vehicles from


On left :



Upper Right : AI-2.   




Lower Right : Remix.




 Ohara SM30.      





 Ohara SM-15.                           http://4x4.primorye.ru/%28S%282i1ggfaklqif3b





 Isuzu, tracked vehicle. http://fotki.yandex.ru/




 Isuzu OM tracked vehicle from Japan.                http://www.naganoauto.ru/index.php?cat=3&info=600


 Dodge with Chase Track System.    http://strangernn.


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