- Description
- The M109 is a Self-Propelled Howitzer and the backbone of Western artillery since the 1960s, built on a tracked chassis with a fully traversable turret housing a 155 mm M185 (M126) howitzer. It has been upgraded through multiple variants (M109A1–A7) and remains in service with the United States and many allies. The 24.1 t vehicle is crewed by four (driver, gunner, commander, loader) and is powered by an 8V71T diesel producing 405 hp for 16.8 hp/t and 56 km/h.
The 155 mm howitzer fires a wide range of M107 and M110 charges with HE, VT, and PF fuzes, with 12 rounds in the turret and 16 in the hull and a 13 s reload. A 12.7 mm M2 is mounted on the commander's cupola for local defense. The gunner has a 4x telescope and periscope with no rangefinder or FCS; the commander position has a stabilizer. The M109 is designed for indirect fire from prepared or march order positions rather than direct combat.
- Locomotion
- Tracked
- Supported classes
- Crewman
- Obtainment
- Free
| Weight | 24.1 t |
| Seating capacity | 4 |
| Driver | 1 |
| Gunner | 1 |
| Commander | 1 |
| Loader | 1 |
| Max speed | |
| Forward | 56 km/h |
| Backward | 12 km/h |
| Engine | 8V71T |
| Type | Diesel |
| Max RPM | 2,300 RPM |
| Horsepower | 405 hp |
| Power-to-weight ratio | 16.8 hp/t |
| Transmission | |
| Forward gears | 8 |
| Reverse gears | 4 |
| Traversal | |
| Horizontal speed | 11 deg/s |
| Vertical speed | 7 deg/s |
| Vertical limits | -3° / 75° |
155mm M185
| Reload speed | 13s |
| Refill speed | 6s |
| Ammo | Max |
| M110 High Charge | * |
| M107 High Charge VT | * |
| M107 Medium Charge VT | * |
| M107 Medium Charge PF | * |
| M110 Medium Charge | * |
| M107 High Charge PF | * |
| M107 Low Charge PF | * |
| M107 High Charge | * |
| M107 Low Charge | * |
| M107 Low Charge VT | * |
| M107 Medium Charge | * |
| M110 Low Charge | * |
| Ammo models | |
| Turret ammo | 12 |
| Hull ammo | 16 |
Telescope sight
| Rangefinder | None |
| Zoom | 4x |
Periscope sight
| Rangefinder | None |
| Zoom | 4x |
ID: "M109"
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