International Harvester 1586

The International Harvester 1586 is a row-crop tractor produced from 1976 to 1981 as part of the 86 Series. Built in Rock Island, Illinois, USA, a total of 13,636 units were made. It features a turbocharged 7.1L 6-cylinder diesel engine (International Harvester DT436) with a rated speed of 2500 RPM. The tractor offers 140 hp drawbar power (claimed) and 160 hp PTO power (claimed), with tested values slightly different. It has a 12-speed two-speed power shift transmission with Torque Amplifier, planetary final drives, and power assist steering. The tractor comes standard with a cab with air-conditioning, with options for an open operator station and four-post ROPS. Fuel capacity is 63 gallons with an auxiliary 22 gallons, and the hydraulic system holds 27 gallons. Dimensions include a 105 inch wheelbase, 169 inch length, and 112 inch width. Weight ranges from 13,600 lbs shipping to 17,600 lbs ballasted. Tires are 11.00-16 front and 20.8-38 rear. Electrical system is negative ground with a 42 amp alternator (61 amps with cab), two 12 volt batteries with 470 CCA each. The 1586 is related to models 1566, 1486, and 5488.