M1 Heavy Tractor
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| Tractor, Heavy, M1 | |
|---|---|
| File:Caterpillar Tractor, Crawler, Diesel, Model D7.jpg
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 |
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" (HST). Some tractors were equipped with crane attachments for ammunition, and material handling.
More than 1000 were leased to the Soviet Union. They mostly used them to tow 152 mm guns, 122 mm guns, 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
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Allis-Chalmers Tractor, Crawler, Diesel, Model HD-10W.jpg
Allis-Chalmers Tractor, Crawler, Diesel, Model HD-10W from TM 9-787A
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International Heavy Tractor, Crawler, Diesel, Model TD-18.jpg
International Heavy Tractor, Crawler, Diesel, Model TD-18 from TM 9-1777A
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International Heavy Tractor, Crawler, Diesel, Model TD-18.second image.jpg
International Heavy Tractor, Crawler, Diesel, Model TD-18.second image from TM 9-1777A
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Caterpillar Tractor, Crawler, Diesel, Model D7.jpg
Caterpillar Tractor, Crawler, Diesel, Model D7 from TB 5-9720-11, 1944
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Caterpillar Tractor, Crawler, Diesel, Model D8.jpg
Caterpillar Tractor, Crawler, Diesel, Model D8 from TB 5-9720-11, 1944
See also
- List of U.S. military vehicles by model number
- List of U.S. military vehicles by supply catalog designation
- M1 medium tractor
- M1 light tractor
- M2 Light Tractor
- Allis-Chalmers (See Military Machinery)
References
- TM 9-1777A Heavy Tractor M1 International IHC TD-18
- TM 9-1777C
- TM 9-1773 Heavy Tractor M1, Caterpillar D7
- TM 9-787A Heavy Tractor M1, Allis-Chalmers HD-10W
- TM 9-1787A
- TM 9-1787B
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