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Hesston 640

Hesston 640 tractor
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The Hesston 640 is a utility tractor produced from 1981 to 1984 by Hesston, a part of Fiat. It features a Fiat 3.5L 4-cylinder liquid-cooled diesel engine, an 8-speed transmission with 2 reverse gears, and offers 54.7 hp drawbar power and 63 hp PTO power. The tractor is available in 2WD or optional 4WD configurations, with open center hydraulics and a rear I/II hitch. It weighs 4,730 lbs and rides on 7.50-16 front and 14.9-30 rear tires.
Hesston 640Hesston tractorutility tractorFiat engine3.5L diesel8-speed transmission54.7 hp drawbar63 hp PTO4x24x4tractor specs
Power70 hp[P]
Founded1981 - 1984
Model640

Technical Specifications

Detailed specifications and technical data for Hesston 640

Power

PTO (claimed):63 hp (47.0 kW)
Drawbar (claimed):54.7 hp (40.8 kW)

Engine

Type:diesel
Cooling:liquid-cooled
Cylinders:4-cylinder
Displacement:211 ci (3.5 L)
Manufacturer:Fiat

Hydraulics

Type:open center
Valves:1

Mechanical

Drive:4x2 2WD, 4x4 MFWD 4WD optional

Production

Type:Utility tractor
Original price:$17,700 (1984)
Years produced:1981 - 1984

Transmission

Gears:8 forward and 2 reverse

Tractor hitch

Rear Type:I/II

Dimensions & Tires

Weight:4,730 lbs (2145 kg)
Rear tire:14.9-30
Front tire:7.50-16

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540