Oliver Super 77

The Oliver Super 77 is a row-crop tractor produced from 1954 to 1958 by Oliver in Charles City, Iowa, USA. It was available in row-crop, standard, and orchard variants. The tractor features a 3.5L 6-cylinder engine available in gasoline, diesel, and LP-gas versions. It has a 6-speed gear transmission with 2 reverse gears and a mechanical dry disc clutch. The Super 77 offers 3-4 plow capacity, with tested drawbar power of 37.61 hp and belt power of 44.05 hp. It has two-wheel drive with manual or optional power steering, differential mechanical dry disc brakes, and an open operator station. Fuel capacity is 16.5 gallons, and the hydraulic system capacity is 2.9 gallons with an open center type. The tractor hitch is rear type II/I with an independent rear PTO running at 540 RPM. Dimensions include a 90.8 inch wheelbase, 139.3 inch length, 80.3 inch width, and 61.5 inch height. Weight ranges from 4328 to 5169 pounds depending on configuration. Electrical system uses positive ground with a generator charging system and 6 or 12 volt batteries depending on model year.