155-mm Soltam Model 839P

The 155-mm Model 839P howitzer is an M-71 gun/howitzer with a redesigned carriage. The Model 839P carriage permits an auxiliary power unit (APU) for self-propulsion to be fitted on the left trail leg and an ammunition-handling crane on the right leg.

Because the Model 839P can be self-propelled as well as towed, there is a driver's control position to the left of the barrel that is folded down when the howitzer is firing. The control position consists of the driver's seat,...