International Harvester 4186

The International Harvester 4186 is a four-wheel drive (4WD) tractor produced from 1976 to 1978 as part of the 86 Series. It was built in Rock Island, Illinois, USA, and originally sold for $32,500 in 1978. The tractor features an International Harvester DT-436 turbocharged 6-cylinder diesel engine with 7.1L displacement, delivering an estimated 166.7 hp engine power. It has an 8-speed gear transmission with 8 forward and 4 reverse gears, hydraulic power steering, and a standard cab. The 4186 offers a drawbar power of 130 hp (claimed) and PTO power of 150 hp (claimed). It includes an open center hydraulic system with 2 valves and 18 gpm pump flow, a rear PTO independent type with 1000 RPM, and a rear hitch type III/II. Dimensions include a 102-inch wheelbase, 194-inch length, 139-inch height, and a shipping weight of 15,900 lbs. The tractor rides on 23.1-26 tires front and rear. It is related to the International Harvester 4166 model produced from 1972 to 1976.