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M10 tank destroyer

3-inch Gun Motor Carriage M10
Aberdean proving grounds 036.JPG
Type Tank destroyer
Place of origin United States
Production history
Designer U.S. Army Ordnance Department
Designed 1942
Manufacturer Fisher Body division of General Motors
Ford Motor Company
Unit cost $47,900
Produced September 1942–December 1943
No. built 6,406
Variants see Variants
Specifications (3-inch Gun Motor Carriage M10/M10A1)
Weight M10: 65,200 lb (29.57 metric tons)
M10A1: 64,000 lb (29.03 metric tons)
Length 19 ft 7 in (5.97 m) hull
22 ft 5 in (6.83 m) including gun
Width 10 ft 0 in (3.05 m)
Height 9 ft 6 in (2.89 m) over antiaircraft machine gun
Crew 5 (Commander, gunner, loader, driver, assistant driver)

Armor 0.375 to 2.25 in (9.5 to 57.2 mm)
Main
armament
3-inch Gun M7 in Mount M5
54 rounds
Secondary
armament
.50 caliber (12.7 mm) Browning M2HB machine gun
300 rounds
Engine M10: General Motors 6046 twin diesel; 375 hp (280 kW) at 2,100 rpm
M10A1: Ford GAA V8; 450 hp (336 kW) at 2,600 rpm
Power/weight M10: 12.68 hp/metric ton
M10A1: 15.50 hp/metric ton
Transmission Synchromesh
5 speeds forward, 1 reverse
Suspension Vertical volute spring suspension (VVSS)
Fuel capacity M10: 165 US gallons (625 litres)
M10A1: 192 US gallons (727 litres)
Operational
range
M10: 200 mi (300 km)
M10A1: 160 mi (260 km)
Speed M10: 25-30 mph (40-51 km/h) on road
M10A1: 30 mph (51 km/h) on road

The M10 tank destroyer was an American tank destroyer of World War II. After US entry into World War II and the formation of the Tank Destroyer Force, a suitable vehicle was needed to equip the new battalions. By November 1941, the Army requested a vehicle with a gun in a fully rotating turret after other interim models were criticized for being too poorly designed. The prototype of the M10 was conceived in early 1942, being delivered in April of that year. After appropriate changes to the hull and turret were made, the modified version was selected for production in June 1943 as the 3-inch Gun Motor Carriage M10. It mounted a 3-inch (76.2 mm) Gun M7 in a rotating turret on a modified M4A2 Sherman tank chassis. An alternate model, the M10A1, which used the chassis of an M4A3 Sherman tank, was also produced. Production of the two models ran from September 1942 to December 1943 and October 1942 to November 1943, respectively.

The first vehicle to establish the American style of World War II tank destroyer, the M10 was numerically the most important U.S. tank destroyer of World War II. It combined thin but sloped armor with the M4 Sherman's reliable hull and drivetrain, and a reasonably potent anti-tank weapon mounted in an open-topped turret. Despite its obsolescence in the face of more powerful German tanks like the Panther and the introduction of more powerful and better-designed types as replacements, the M10 remained in service until the end of the war. During World War II, the primary user of the M10 tank destroyer was the United States, but many were Lend-Leased to the United Kingdom and Free French forces for distribution to their respective allies. Several dozen were also sent to the Soviet Union. Post-war, the M10 was given as military surplus to several countries, such as Belgium, Denmark, and the Netherlands, through the Mutual Defense Assistance Act or acquired through other means by countries like Israel and the Republic of China.


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