M56 1953 (Self- Propelled Gun)
《Front》
《Rear》
Mass
7.1 tonnes (-16,000 lb)
Length
4.55 meters (14 ft 11 in) (excluding gun)
5.84 meters (19 ft 2 in) (overall)
Width
2.57 meters (8 ft 5 in)
Height
2.05 meters (6 ft 9 in) over gun shield
Crew: 4
Specs: 
Engine: Continental A01-403-5 gasoline engine 200 brake horsepower (150 kW)
Transmission: Allison CD-150-4, 2 ranges forward, 1 reverse
Speed: 45 km/h (28 mph)