- M4 Tractor
Infobox Weapon
name=M4 High-Speed Tractor
caption=M4 high-speed artillery tractor in Batey ha-Osef Museum, Tel Aviv, Israel. 2005
origin=USA
type=Artillery tractor
service=
used_by=US Army
wars=World War II
designer=
design_date= 1942
manufacturer=Allis-Chalmers
unit_cost=
production_date=
number=
variants=Anti-aircraft and howitzer towing variants
is_vehicle=yes
length=5.232 m
width=2.464 m
height=2.515 m
weight=14.288 t
suspension=
speed=53 km/h
vehicle_range=290 km
primary_armament=1 x12.7mm anti-aircraft machine gun
armour=none
engine=Waukesha 145GZ six-cylinder inlinepetrol engine
engine_power=210 hp (156 kW)
pw_ratio=14.70 hp/tonne
crew=1 + 11The M4 High-Speed Tractor was anartillery tractor used by theUS Army from1943 .Construction
The M4 was based on the automotive components of the
M2 Light Tank , with one variant designed to towanti-aircraft gun s and another forhowitzer s. The rear compartment carried the gun crew and other equipment and some later variants included a crane to assist with heavier projectiles.History
The M4 was manufactured by
Allis-Chalmers ofMilwaukee , starting in1942 and was in U.S. military service until approximately1960 .Under the
Mutual Defense Assistance Program , the M4 was supplied to Japan, Brazil, Yugoslavia and Pakistan after World War II ended.References
*cite book |last=Trewhitt |first=Philip |authorlink= |coauthors= |title=Armoured Fighting Vehicles |year=1999 |publisher=Dempsey-Parr |location=p 307 |isbn=1-84084-328-4
*cite web |url=http://www.olive-drab.com/idphoto/id_photos_m4_hst.php |title=US Army M-4 High Speed Tractor |accessdate=2007-08-27 |format= |work=olive-drab.com
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