M40 Gun Motor Carriage
The 155 mm Gun Motor Carriage M40 was an American self-propelled artillery vehicle built on a widened and lengthened Medium Tank M4A3 chassis, but with a Continental engine and with HVSS, which was introduced at the end of the Second World War. Wikipedia
Armor: 12 mm
Crew: 8 (Commander, driver, 6 gun crew)
Engine: Wright (Continental) R975 EC2; 340 hp (253 kW)
Main armament: 155 mm M2 gun; 20 rounds
Maximum speed: 38 km/h (24 mph) on road; 23 km/h (14 mph) off-road
No. built: 311
Operational range: 170 km (106 mi)