Oliver

Oliver OC-6

The Oliver OC-6 is an agricultural crawler tractor produced from 1953 to 1960 by Oliver in Cleveland, Ohio, USA. It was based on the Oliver 77 tractor. The OC-6 was available with gasoline and diesel engines, with the diesel variant known as the OC-6D. It features a 6-speed gear transmission with 6 forward and 2 reverse gears, a crawler drive, and mechanical contracting band brakes. The tractor has an open operator station and an optional independent rear PTO. It is capable of pulling 3 plows and has a tested drawbar power of 33.46 hp (25.0 kW). The tractor's dimensions include a wheelbase of 54.2 inches (137 cm), length of 121.5 inches (308 cm), and width options depending on gauge. It weighs between 5565 and 5855 pounds depending on configuration and gauge. Track widths of 8, 10, and 12 inches were available.
Power45 hp
Founded1953 - 1960
ModelOC-6

Technical Specifications

Detailed specifications and technical data for Oliver OC-6

Power
Plows3
Engine power45 hp (33.6 kW)
Drawbar (tested)33.46 hp (25.0 kW)
Engine
Fuel tank16.5 gal (62.5 L)
Engine optionsOliver-Waukesha 3.2L 6-cyl gasoline, Oliver-Waukehsa 3.2L 6-cyl diesel, Oliver-Waukesha 3.5L 6-cyl gasoline
Oliver-Waukehsa diesel6-cylinder, liquid-cooled vertical I-head, Displacement 193.9 ci (3.2 L), Bore/Stroke 3.3125x3.75 inches (84 x 95 mm), Power 43 hp (32.1 kW), Air cleaner Vortox oil bath, Compression 15.75:1, Rated RPM 1600, Firing order 1-5-3-6-2-4, Oil capacity 5 qts (4.7 L)
Oliver-Waukesha gasoline6-cylinder, liquid-cooled vertical I-head, Displacement 193.9 ci (3.2 L), Bore/Stroke 3.3125x3.75 inches (84 x 95 mm), Power 45 hp (33.6 kW), Air cleaner Vortox oil bath, Compression 6.75:1, Rated RPM 1600, Firing order 1-5-3-6-2-4, Oil capacity 5 qts (4.7 L), Coolant capacity 17 qts (16.1 L)
Oliver-Waukesha larger bore gasoline6-cylinder, liquid-cooled, Displacement 216.5 ci (3.5 L), Bore/Stroke 3.50x3.75 inches (89 x 95 mm), Larger bore engine replaced the original gas engine
Tracks
Width8 inches (20 cm)
Options10-inch tracks, 12-inch tracks
Weight
Gas Operating (42-inch gauge)5565 lbs (2524 kg)
Gas Operating (68-inch gauge)5705 lbs (2587 kg)
Diesel Operating (42-inch gauge)5715 lbs (2592 kg)
Diesel Operating (68-inch gauge)5855 lbs (2655 kg)
Dimensions
Gauge42 inches (106 cm), 68 inches (172 cm)
Width56.25 inches (42-inch gauge) (142 cm), 82.25 inches (68-inch gauge) (208 cm)
Height56.5 inches (143 cm)
Length121.5 inches (308 cm)
Wheelbase54.2 inches (137 cm)
Ground clearance20 inches (50 cm)
Mechanical
Drivecrawler
BrakesMechanical contracting band brakes
Operator stationOpen operator station
Production
TypeAgricultural Crawler tractor
NotesThe diesel variant of the Oliver OC-6 was known as the OC-6D. The OC-6 was based on the Oliver 77 tractor.
Built inCleveland, Ohio, USA
Years produced1953 - 1960
Transmission
Typegear
Gears6 forward and 2 reverse
Clutchdry disc
Power Take-off (PTO)
Rear PTOindependent optional