Variants
- Howitzer variants:
- M1920, M1922A, M1922B, M1923B, M1923E1, M1923E2 – prototypes.
- M1 – the first standardized variant. Based on M1923E2 with minor changes.
- M1A1 – variant with modified breech block and breech ring.
- M2 – vehicle mounted variant. Tube and breech from M1A1 were used. In order to provide a cylindrical recoil surface, the tube was fitted with an external sleeve. 197 built.
- M3 – vehicle mounted variant; like M2 but with recoil surface as a part of the tube. The M2 and M3 barrels were interchangeable.
- M116 – post-war designation of the complete weapon.
- M120 – post-war designation for saluting howitzers
- Carriage variants:
- M1 – dismantling box trail carriage with wooden wheels.
- M2A1, T2, T2E1, T2E2, T2E3 – experimental carriages.
- M3A1 – split-trail carriage with firing base and pneumatic tires.
- M3A2 – M3A1 with shield added.
- M3A3 – M3A2 with different wheels and combat tires.
- M8 – M1 with new wheels with pneumatic tires.
| Selected variants | |||||
| M1A1 on carriage M1 | M1A1 on carriage M8 | M1A1 on carriage M3A3 | |||
| Carriage type | box trail | box trail | split trail | ||
| Wheels | wooden, with steel rims | steel, with pneumatic tires | steel, with pneumatic tires | ||
| Shield | – | – | + | ||
| Length, m | 3.68 | 3.94 | |||
| Width, m | 1.22 | 1.73 | |||
| Height, m | 0.94 | 1.18 | |||
| Weight, combat, kg | 576 | 653 | 1,009 | ||
| Weight, travel, kg | 667 | 653 | 1,043 | ||
| Elevation | +5° to +45° | +5° to +45° | +9° to +50° | ||
| Traverse | 6° | 6° | 45° | ||
| Transportation | 6 mule loads | 1/4 ton 4x4 truck, 7 mule loads, 9 parachute loads, plane or glider | 1/4 ton 4x4 truck | ||
Read more about this topic: M116 Howitzer
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