General Factory Specs: The International 1086 is a 2WD or 4WD tractor produced from 1976 to 1981, known for its 131 PTO horsepower, 414 cubic inch turbocharged diesel engine, and a 16-speed forward/8-speed reverse transmission with a Torque Amplifier. Its standard weight is approximately 12,300 lbs (2WD), with a 63-gallon fuel tank, and it features standard 10.00-16 front and 18.4-38 rear tires. Engine and performance Engine: International Harvester DT414 turbocharged 6-cylinder diesel engine Horsepower: 131 PTO horsepower Transmission: International Harvester Torque Amplifier with 16 forward and 8 reverse speeds PTO: Independent PTO with 540 and 1000 RPM speeds Drawbar horsepower: 116 HP Dimensions and weight Weight: Approximately 12,300 lbs (2WD), 13,765 lbs (4WD) Fuel tank capacity: 63 gallons, with an optional 22-gallon auxiliary tank Wheelbase: 105 inches (wide-tread front) Length: 168 inches (2WD) Tires Front: 10.00-16 Rear: 18.4-38 Hydraulics and hitch Hydraulics: Open center hydraulics with a 12 GPM flow and two standard outlets 3-point hitch: CAT II and CAT III compatible