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Prior to and during the second world war the US Army called several tractors M1 Medium Tractor. Under the Ordnance Corps these "off the shelf" tractors were meant to tow artillery pieces so were not equipped with blades like their Engineer counterparts. Eventually these were replaced by purpose built "High Speed Tractors" (HST). Some tractors were equipped with crane attachments for ammunition, and material handling.
Tractors[]
- Caterpillar model 30
- Caterpillar model 35
- Allis-Chalmers HD-7W.
- Allis-Chalmers Monarch k35
- Cletrac model 35
- Caterpillar model Caterpillar RD6
- Caterpillar D6
- Cletrac model BC, w/angle dozer
- Allis-Chalmers WM
- G-132: a) M1 medium tractor TD-14, b) M3 tractor crane, 2-Ton, International Harvester TD14
Gallery[]
G21 M1 Medium tractor Cat Model 30
G47 M1 Medium tractor Cat Model 35
Allis-Chalmers Tractor, Crawler, Diesel, Model HD-7W from TB 5-9720-11, 1944
G49 M1 Medium tractor Cletrac Model 35
G69 M1 Medium tractor Cat Model RD-6
Right view of Caterpillar D6 Tractor, Crawler, Diesel from TB 5-9720-11, 1944
Right view of Allis-Chalmers Tractor, Gasoline, Model WM from TB 5-9720-11, 1944
G132 M3 tractor crane on IH TD-14
Detailed information on Allis-Chalmers, Model WM[]
- Engine: Allis-Chalmers WM. Gasoline. 4-cylinder 20 hp (15 kW)
- Fuel tank: 24 gallons 750 US gal (2,800 l)
- gearbox: Four speeds forward, one reverse.
- Length: 101 in (257 cm)
- Width: 67 in (170 cm)
- Height: 56 in (142 cm)
- Working weight: 6,730 lb (3,050 kg)
See also[]
- M1 Heavy Tractor
- M1 Light Tractor
- M2 Light Tractor
- List of U.S. military vehicles by model number
- List of U.S. military vehicles by supply catalog designation
References[]
- TM 9-783B Manual Allis-Chalmers HD-7W
- TM 9-1783A A-C HD-7W Diesel engine.
- TM 9-1783B (coming soon)
- TM 9-1783C
- TM 5-3272 IHC TD-14
The original article can be found at M1 medium tractor and the edit history here.