Fiat

Fiat 640

The Fiat 640 is a utility tractor produced from 1973 to 1978 by Fiat in Moderna, Italy. It features a 3.5L 4-cylinder liquid-cooled diesel engine producing 64 hp, with an 8-speed gear transmission offering 8 forward and 2 reverse speeds. Available in 2WD and 4WD variants, it includes manual steering, four-post ROPS, and a hydraulic pump flow of 5.8 gpm. The tractor has a rear PTO of 540 rpm and a rear lift capacity of 4079 lbs. Dimensions vary between 2WD and 4WD models, with wheelbases of 81.5 and 83.9 inches respectively, and weights ranging from 4961 to 6174 lbs.
Power64 hp
Founded1973 - 1978
Model640

Technical Specifications

Detailed specifications and technical data for Fiat 640

Power
Engine64 hp (47.7 kW)
PTO (claimed)62 hp (46.2 kW)
Engine
Typediesel
ModelFiat 8045-02
Power64 hp (47.7 kW)
Torque156.4 lb-ft (212.1 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Fuel tank14.3 gal (54.1 L)
Rated RPM2400
Torque RPM1600
Bore/Stroke3.94x4.33 inches (100 x 110 mm)
Compression17:1
Fuel systemdirect injection
Displacement210.89 ci (3.5 L)
Starter volts12
Height
ROPS105.9 inches (268 cm)
2WD Hood56 inches (142 cm)
4WD Hood58.5 inches (148 cm)
Variants
6402WD
640DT4WD
Hydraulics
Pump flow5.8 gpm (22.0 lpm)
Mechanical
ROPSFour-post ROPS.
DriveTwo- or four-wheel drive
SteeringManual steering
Production
TypeUtility tractor
Built inModerna, Italy
Years made1973 - 1978
ManufacturerFiat
Transmission
Typegear
Gears8 forward and 2 reverse
DetailsFour gears, plus reverse, in two ranges. Optional additional creeper range.
Tractor hitch
Rear TypeII/I
Rear lift (at ends)4079 lbs (1850 kg)
Dimensions & Tires
2WD Length125 inches (317 cm)
2WD Weight4961 lbs (2250 kg)
4WD Length132.3 inches (336 cm)
4WD Weight6174 lbs (2800 kg)
Rear tread51.2 to 78.7 inches (130 to 199 cm)
Front tread52 to 79.3 inches (132 to 201 cm)
2WD Wheelbase81.5 inches (207 cm)
4WD Wheelbase83.9 inches (213 cm)
2WD Standard tires (ag)Front: 7.50-16. Rear: 14-30
4WD Standard tires (ag)Front: 9.5x24. Rear: 16.9-30
Power Take-off (PTO)
Engine RPM540@1970
Rear PTO Type540