Fiat-Hesston

Hesston 640

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.
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
Typediesel
Coolingliquid-cooled
Cylinders4-cylinder
Displacement211 ci (3.5 L)
ManufacturerFiat
Hydraulics
Typeopen center
Valves1
Mechanical
Drive4x2 2WD, 4x4 MFWD 4WD optional
Production
TypeUtility tractor
Original price$17,700 (1984)
Years produced1981 - 1984
Transmission
Gears8 forward and 2 reverse
Tractor hitch
Rear TypeI/II
Dimensions & Tires
Weight4,730 lbs (2145 kg)
Rear tire14.9-30
Front tire7.50-16
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540