M1 Heavy Tractor
M1 Heavy Tractor was a term used by the US Army for several tractors prior to and during the Second World War. 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" Some tractors were equipped with crane attachments for ammunition, and material handling.
| Tractor, Heavy, M1 | |
|---|---|
 Caterpillar Tractor, Crawler, Diesel, Model D7 from TB 5-9720-11, 1944 | |
| Type | Heavy tractor |
| Manufacturer | Caterpillar Tractor Co. |
| Length | 194 in (4.93 m) |
| Width | 98 in (2.49 m) |
| Height | 108 in (2.74 m) |
| Weight | 30,100 lb (13,653 kg) |
| Propulsion | Caterpillar tracks |
| Engine model | Caterpillar D7 |
| Gross power | 80 hp (60 kW) |
| Drawbar pull | 21,350 lb (9,680 kg) |
| Speed | 11 mph (18 km/h) Forward |
More than 1000 were leased to the Soviet Union. They mostly used them to tow 122 mm, 152 mm and even 203 mm guns. It saw good service as a prime mover for artillery.
Variants
- Allis-Chalmers Model L
- G-022 Caterpillar Model 60
- G-89 Caterpillar RD7,
- G-98, G-107 Allis-Chalmers HD-10DW
- G-101 International Harvester TD-18
- G-126 Caterpillar D7
- G-153 Caterpillar D8
and perhaps others
Gallery
Allis-Chalmers Tractor, Crawler, Diesel, Model HD-10W from TM 9-787A
International Heavy Tractor, Crawler, Diesel, Model TD-18 from TM 9-1777A
International Heavy Tractor, Crawler, Diesel, Model TD-18.second image from TM 9-1777A- Caterpillar Tractor, Crawler, Diesel, Model D7 from TB 5-9720-11, 1944
Caterpillar Tractor, Crawler, Diesel, Model D8 from TB 5-9720-11, 1944
See also
References
External links
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