Power: 56 hp[B] Date of manufacture : 1955 - 1960
Production Manufacturer: Oliver Factory: Cleveland, Ohio, USA Oliver OC-12 Power Drawbar (claimed): 40 hp 29.8 kW Belt (claimed): 51 hp 38.0 kW Drawbar (tested): 50.8 hp 37.9 kW Belt (tested): 57.9 hp 43.2 kW Oliver OC-12 Engines Mechanical Chassis: crawler Transmission: 4-speed Dimensions & Tracks Weight: 9,800 lbs 4445 kg tracks Full dimensions and tracks ...

Oliver G1355	Power: 157 hp[P]	Date of manufacture : 1972 - 1974

Oliver OC-3	Power: 29 hp[B]	Date of manufacture : 1951 - 1957

Oliver OC-4	Power: 30 hp	Date of manufacture : 1957 - 1965

Oliver OC-6	Power: 45 hp	Date of manufacture : 1953 - 1960

Oliver OC-12	Power: 56 hp[B]	Date of manufacture : 1955 - 1960

Oliver OC-15	Power: 110 hp	Date of manufacture : 1956 - 1961

Oliver OC-18	Power: 161 hp	Date of manufacture : 1952 - 1960

Oliver Super 44	Power: 31 hp[P]	Date of manufacture : 1957 - 1958

Oliver Super 55	Power: 36 hp[P]	Date of manufacture : 1954 - 1958