Not to be confused with the French-built 155 mm Creusot Long Tom, a Boer War artillery piece.
Towed field artillery
M1 155 mm Long Tom
Long Tom in travelling position, US Army Ordnance Museum.
Type
Towed field artillery
Place of origin
United States
Service history
Used by
United States Italy Australia Greece Austria Japan Jordan South Korea Republic of China Turkey Pakistan Croatia South Africa United Kingdom Yugoslavia Netherlands
Wars
World War II Korean War Cambodian Civil War Croatian War of Independence
Production history
Designed
1918–1938
Produced
1940–1945
No. built
1,882
Specifications
Mass
Travel: 13,880 kg (30,600 lb)
Length
Travel: 11 m (36 ft 1 in)[1]
Barrel length
6.97 m (22 ft 10 in) L/45
Width
Travel: 2.5 m (8 ft 2 in)[1]
Height
Travel: 2.7 m (8 ft 10 in)[1]
Crew
14
Shell
Separate loading charge and projectile[1]
Caliber
155 mm (6.10 in)
Breech
Asbury mechanism
Recoil
Hydro-pneumatic[1]
Carriage
M1 Carriage
Elevation
−2°/+65°
Traverse
60°
Rate of fire
40 rounds per hour
Muzzle velocity
853 m/s (2,799 ft/s)
Maximum firing range
23.7 km (14.7 mi)
The 155 mm gun M1 was a 155 millimeter caliber field gun developed and used by the United States military. Nicknamed "Long Tom" (an appellation with a long and storied history in U.S. field and naval artillery), it was produced in M1 and M2 variants, later known as the M59. Developed to replace the Canon de 155mm GPF, the gun was deployed as a heavy field weapon during World War II and the Korean War, and also classed as secondary armament for seacoast defense. The gun could fire a 100 lb (45 kg) shell to a maximum range of 14 mi (23 km), with an estimated accuracy life of 1,500 rounds.
The Long Tom was also adopted by a number of other nations, including the United Kingdom, Austria, Israel, and the Netherlands.
^ abcdeFoss, Christopher (1977). Jane's pocket book of towed artillery. New York: Collier. p. 135. ISBN 0020806000. OCLC 911907988.
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