The M109 is an American 155 mm turreted self-propelled howitzer, first introduced in the early 1960s to replace the M44 and M52. It has been upgraded a number of times, most recently to the M109A7. The M109 family is the most common Western indirect-fire support weapon of maneuver brigades of armored and mechanized infantry divisions.

The M109A7 is the latest howitzer in the BAE Systems M109 family of vehicles, the primary indirect fire support system for the ABCTs. It uses the existing main armament and cab structure of a Paladin M109A6, and replaces the vehicle’s chassis components with modem components common to the Bradley vehicle.

Apr 22, 2024 · The Paladin M109A7 artillery system is armed with a 155mm M284 cannon with an M182A1 gun mount and an automated loader. The 155mm artillery system can fire at a sustained rate of one round a minute whereas the maximum rate of fire is four rounds a minute.

With an upgraded, 675 HP electronically controlled version of the BFV standard V903 engine, coupled with an improved HMPT- 800 transmission, the M109A7 has faster acceleration for rapid displacement, and the ability to keep pace with the maneuver forces it supports.

Jan 12, 2025 · The M109A7 SPH Paladin 155mm Self-propelled howitzer is an upgraded version of the M109A6 Paladin. It benefits from an entirely new cab and cannon assembly. While the vehicle's cannon remains unchanged, the M109A7 sports brand new chassis, engine, transmission, suspension, and steering system.

Feb 26, 2021 · The M109A7 is the first ABCT vehicle built with a 70kW high voltage system, which replaces the hydraulic cab drive system and enhances electronic ammunition handling and...

Jan 29, 2024 · The M109A7’s new design includes a new chassis, engine, transmission, suspension, steering system, a new high voltage architecture, and improved survivability. The M109A7 program’s improved commonality across the ABCT eases the logistics burden and reduces operational sustainability costs.

Apr 10, 2015 · The M109A7, produced by BAE Systems, will replace the current M109A6 Self-Propelled Howitzer, formerly known as the Paladin Integrated Management program, as one of the Army's most critical...

Aug 5, 2024 · The US Army's newest M109A7 Paladin howitzer is put through its paces at the Cold Regions Test Center, Alaska. BAE Systems has been awarded a $493-million contract to continue producing the M109A7 self-propelled howitzer and …

The M109A7 155 mm self-propelled howitzer fires at Yuma Proving Ground, Ariz Adam Zarfoss, director of artillery programs at prime contractor BAE Systems, said the M109A7/M992A3 upgrade solves the problems that Paladin had with space, weight and power.