Hesston 566

The Hesston 566 is a utility tractor built by Fiat and distributed by Hesston from 1983 to 1984. It was manufactured in Modena, Italy. The tractor features a Fiat 2.8L 3-cylinder liquid-cooled diesel engine producing a claimed 51 hp at the PTO. It offers multiple transmission options including 12-speed synchronized and 20-speed variants. The 566 is available in 2WD and 4WD (566DT) configurations with hydrostatic power steering and mechanical wet disc brakes. Hydraulics are open center type with 2700 psi pressure and 11 gpm pump flow. The tractor has a rear independent PTO with 540 rpm. Dimensions vary slightly between 2WD and 4WD models, with wheelbase around 85.6 inches (2WD) and 83.4 inches (4WD), and operating weights from 4,901 to 5,452 lbs. Tires and height also differ between drive types. Electrical system includes a 33 amp alternator charging system. The Hesston 566 is part of a series including the 466 and 666 models.