Compared to other Self Propelled Guns, it had a large structure for the 105mm main gun, giving it a higher elevation than the M4 Sherman 105 and thus a greater range. It was designated the M37 316 of the 448 that were ordered in November 1944 were built. It was also supplied to allied nations and was replaced in service by the M52.
The American M37 Self Propelled Gun Spec’s
Main Gun: 105mm howitzer & x1 .50 cal MG
Armour: 15mm steel
Dimensions: Length 5.48m, Width 2.99m, Height 2.41m
Weight: 20.86 metric tonne
Engine: 296hp twin Cadillac 44T24
Top Road Speed: 48km/h