Oliver 1900

The Oliver 1900 was produced from 1960 to 1964 as a row-crop tractor built in Charles City, Iowa, USA. It came in three versions known as Series A, B, and C. The Series B introduced in 1962 featured an improved engine with about 10 more horsepower and optional four-wheel drive. The Series C in 1964 improved steering and the operator station. The tractor featured a General Motors 3.5L 4-cylinder diesel engine, with power ratings up to about 100 hp tested at the PTO. Transmission options included a 6-speed unsynchronized gear and a 12-speed partial power shift Hydra-Power transmission. It had two- or four-wheel drive, manual or late power steering, differential dry disc brakes, and an open operator station. Fuel capacity was 31.5 gallons, and hydraulic system capacity was 5 gallons with a 13 gpm pump flow. The tractor had a rear hitch type II/I and an independent rear PTO with 540 and 1000 rpm options. Dimensions included a 97.25 inch wheelbase, 156.6 inch length, 97 inch minimum width, and 76 inch height at the steering wheel. Operating weight was 12,000 lbs, ballasted weight 18,355 lbs, and ground clearance 23.875 inches. Tires were 7.50-18 front and 18-26 or 15-34 rear. Serial numbers ranged from 90-532 (A) in 1960 to 148-651 (C) final in 1964.