The Hesston 90-90 is a row-crop tractor built by Fiat and distributed by Hesston from 1984 to 1988. It features a Fiat 4.9L 5-cylinder liquid-cooled diesel engine producing 90 hp (67.1 kW) with a claimed PTO power of 81 hp (60.4 kW). Transmission options include 15-speed and 20-speed gearboxes. The tractor has a wheelbase of 96.5 inches (245 cm) and weighs 7,240 lbs (3284 kg). It is equipped with open center hydraulics with 2 valves and a pump flow of 11.6 gpm (43.9 lpm). The rear hitch is category II with a lift capacity of 6,336 lbs (2874 kg). The PTO is independent with 540/1000 rpm options. The tractor can be configured with two- or four-wheel drive. Front tires are 10.00-16 and rear tires are 18.4-34. The original price was $35,400 in 1988.
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