M40 GMC
Encyclopedia : M : M4 : M40 : M40 GMC
 8 inch HMC M43 in Korea.
| |
| 155mm Gun Motor Carriage M40 General characteristics | |
|---|---|
| Length | m |
| Width | 3.15 m |
| Height | 2.7 m |
| Weight | t |
| Suspension | HVSS (Horizontal Volute Spring Suspension) |
| Speed | 38 km/h road 23 km/h off-road |
| Range | 170 km |
| Primary armament | 155mm M2 gun 20 rounds |
| Secondary armament | |
| Armour | 12 mm |
| Power plant | 340 horsepower>hp ( kW) |
| Crew | 8 (Commander, driver, (6x) gun crew) |
The 155mm Gun Motor Carriage M40 was a US self propelled artillery vehicle built on a widened and lengthened Medium Tank M4A3 chassis but with Continental engine and with HVSS that was introduced at the end of the Second World War. Equipped with a 155mm M2 gun, it was designed to replace the earlier M12 Gun Motor Carriage. Its prototype designation was the T38 this was changed to the M40 in March 1945.
A few vehicles saw combat at the end of the war in Europe, the first time being in the push towards Cologne. From there it was deployed during the Korean War.
Post war; the M40 was used by the British, there it was designated 155mm SP, M40.
Variants
The Army planned to use the same T38 chassis for a family of SP artillery:- Cargo Carrier T30 - a few built before cancellation in December 1944 to make more chassis available for GMCs
- 8 inch Howitzer Motor Carriage M43 - 8 in (203 mm) HMC, standardized August 1945, 48 built
- 250 mm Mortar Motor Carriage T94 - 10 in (250 mm) MMC, began design Feb. 1945, one prototype completed in 1946
Related Vehicles
- 105mm Howitzer Motor Carriage M7B1 - self-propelled 105 mm Howitzer Motor Carriage (HMC) based on the M4A3 Sherman chassis.
- 155mm Gun Motor Carriage M12 - self-propelled 155 mm Gun Motor Carriage (GMC).
- *Cargo Carrier M30 - an M12 with crew and ammunition space in lieu of the gun.
Reference
- Leland Ness(2002)Janes World War II Tanks and Fighting Vehicles, Harper Collins, ISBN 000711228-9
See also
External links
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