M1 heavy tractor
{{Short description|Civilian tracked tractor adopted for military use}}
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{{Infobox tractor
|name=Tractor, heavy, M1
|image=File:Caterpillar Tractor, Crawler, Diesel, Model D7.jpg
|caption=Caterpillar tractor, crawler, diesel, model D7 from TB 5-9720-11, 1944
|manufacturer=Caterpillar Tractor Co.
|production=
|length={{convert|194|in|m|2|abbr=on}}
|width={{convert|98|in|m|2|abbr=on}}
|height={{convert|108|in|m|2|abbr=on}}
|weight={{convert|30,100|lb|kg|0|abbr=on}}
|propulsion=Caterpillar tracks
|type=Heavy tractor
|engine_model=Caterpillar D7
|gross_power={{convert|80|hp|kW|abbr=on}}
|flywheel_power=
|drawbar_pull={{convert|21,350|lb|abbr=on}}
|speed={{convert|11|mph|abbr=on}} Forward
|blade_capacity=
}}
M1 heavy tractor was a term used by the United States Army during World War II for several different models of "off the shelf" civilian tracked tractors adopted for military use. Under the Ordnance Department, these tractors were meant to tow artillery pieces, and were not equipped with blades like their Corps of Engineers counterparts. Later in the war, these tractors were replaced in the prime mover role by heavy trucks such as the Mack NO or purpose-built "high-speed tractors" such as the M4, M5, or M6. Some tractors were equipped with crane attachments for ammunition and material handling.
More than 1,000 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
File:Allis-Chalmers Tractor, Crawler, Diesel, Model HD-10W.jpg|Allis-Chalmers tractor, crawler, diesel, model HD-10W from TM 9-787A
File:International Heavy Tractor, Crawler, Diesel, Model TD-18.jpg|International heavy tractor, crawler, diesel, model TD-18 from TM 9-1777A
File: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
File:Caterpillar Tractor, Crawler, Diesel, Model D7.jpg|Caterpillar tractor, crawler, diesel, model D7 from TB 5-9720-11, 1944
File:Caterpillar Tractor, Crawler, Diesel, Model D8.jpg|Caterpillar tractor, crawler, diesel, model D8 from TB 5-9720-11, 1944
See also
References
- [https://www.scribd.com/doc/246878651/TM-9-1777A-HEAVY-TRACTOR-M1-IHC-TD-18 TM 9-1777A Heavy tractor M1 International IHC TD-18]
- [https://www.scribd.com/doc/249548013/TM-9-1777C-TD-18 TM 9-1777C]
- [https://www.scribd.com/doc/246756800/TM-9-1773-HEAVY-TRACTOR-M1-CATERPILLAR-D7 TM 9-1773 Heavy tractor M1, Caterpillar D7]
- [https://www.scribd.com/doc/246766999/TM-9-787A-HEAVY-TRACTOR-M1-ALLIS-CHALMERS-HD-10W TM 9-787A Heavy tractor M1, Allis-Chalmers HD-10W]
- [https://www.scribd.com/doc/246887776/TM-9-1787A-M1-TRACTOR-ALLIS-CHALMERS-TD-10W TM 9-1787A]
- [https://www.scribd.com/doc/248933031/TM-9-1787B-M1-HEAVY-TRACTOR-ALLIS-CHALMERS-HD-10W TM 9-1787B]
- {{cite web|url=https://www.scribd.com/doc/140198120/TM-9-2800-1943-STANDARD-MILITARY-MOTOR-VEHICLES-1-SEPTEMBER-1943|title=TM-9-2800 1943 Standard Military Motor Vehicles|last=|first= |publisher=|date=|accessdate=}}
External links
- [https://web.archive.org/web/20141129032136/http://moderndrawings.jexiste.be/WW2Drawings/Files/1-Vehicles/Allies/1-USA/07-Others/M1-Tractors/CaterpilarD-7.htm Drawings] jexiste.be
- [http://www.o5m6.de/cat_d7.html Use of M1 heavy tractor Caterpillar D7 through lend-lease in the Soviet Union]
- [http://www.o5m6.de/ac_hd10w.html Use of A-C HD-10W through lend-lease in the Soviet Union]
- [http://www.o5m6.de/ihc_td18.html Use of IHC TD-18 through lend-lease in the Soviet Union]
{{WWII US Soft Vehicles}}