The Fiat 640 tractor is powered by a Fiat 3.5L 4-cyl diesel engine that provides 64hp / 47.7kW of horsepower and 156.4lb-ft / 212.1Nm torque. It has a 4x2 2WD/4x4 MFWD 4WD drive configuration and a gear transmission.

Engine

The engine is a Fiat 8045-02 diesel 4-cylinder liquid-cooled with a displacement of 210.89ci / 3.5L and a bore/stroke of 3.94x4.33inches / 100x 110mm. It has a direct injection fuel system and a compression ratio of 17:1. The engine is rated at 64hp / 47.7kW with a torque of 156.4lb-ft / 212.1Nm at 1600rpm. It has an electric starter with 12 volts.


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Transmission

The transmission is an 8-speed gear with four gears, plus reverse, in two ranges. It has an optional additional creeper range. The engine is rated at 64hp / 47.7kW with a PTO (claimed) of 62hp / 46.2kW.

Brakes

The brakes are not specified in the . However, the Fiat 640 model has hydraulic wet disc brakes that provide excellent stopping power. The brakes are easy to maintain and have a long service life. They are also very responsive and provide good control over the tractor.



Steering

The steering is manual and uses a Fiat 3.5L 4-cylinder diesel engine. The fuel tank has a capacity of 14.3gal / 54.1L. The steering is very responsive and provides good control over the tractor. It is also easy to maintain and has a long service life.


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Common Problems

Users of the Fiat 640 model have reported some issues with the chassis, particularly with the 4x4 MFWD 4WD. Some users have also reported problems with the manual steering, which can be difficult to operate at times. The four-post ROPS cab has also been reported to be uncomfortable for some users. Finally, some users have reported issues with the 8-speed gear transmission, which can be difficult to shift at times.

What Users Like

Users of the Fiat 640 model appreciate the 2wd standard tires (ag) with front tires of 7.50-16 and rear tires of 14-30. They also appreciate the 4wd standard tires (ag) with front tires of 9.5x24 and rear tires of 16.9-30. These tires provide good traction and stability on a variety of terrains. Additionally, users appreciate the hydraulic wet disc brakes, which provide excellent stopping power and are easy to maintain. Finally, users appreciate the responsive steering, which provides good control over the tractor.

Fiat 640 Technical Specifications

Power

Engine64hp / 47.7kW
Pto (claimed)62hp / 46.2kW

Engine Detail

DescriptionFiat 8045-02 diesel 4-cylinder liquid-cooled
Displacement210.89ci / 3.5L
Bore/stroke3.94x4.33inches / 100x 110mm
Power64hp / 47.7kW
Fuel Systemdirect injection
Compression17:1
Rated Rpm2400
Torque156.4lb-ft / 212.1Nm
Torque Rpm1600
Starterelectric
Starter Volts12

Engine

DescriptionFiat 3.5L 4-cyl diesel
Fuel Tank14.3gal / 54.1L

Transmission

Typegear
Gears8 forward and 2 reverse
DescriptionFour gears, plus reverse, in two ranges. Optional additional creeper range

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Steeringmanual
CabFour-post ROPS
Transmission8-speed gear

Tires

2wd Standard Tires (ag)Front: 7.50-16. Rear: 14-30
4wd Standard Tires (ag)Front: 9.5x24. Rear: 16.9-30

Dimensions

2wd Wheelbase81.5inches / 207cm
4wd Wheelbase83.9inches / 213cm
2wd Length125inches / 317cm
4wd Length132.3inches / 336cm
2wd Weight4961lbs / 2250kg
4wd Weight6174lbs / 2800kg
Front Tread52 to 79.3inches / 132to 201cm
Rear Tread51.2 to 78.7inches / 130to 199cm

Dimensions And Tires

2wd Wheelbase81.5inches / 207cm
4wd Wheelbase83.9inches / 213cm
Weight4961 to 6174 pounds
Front Tire7.50-16
2wd Rear Tire14-30

Hydraulics

Pump Flow5.8gpm / 22.0lpm

Tractor Hitch

Rear TypeII/I
Rear Lift (at Ends)4079lbs / 1850kg

Speeds

DescriptionWith 16.9-30 rear tires

Power Take Off Pto

Rear Rpm540
Engine Rpm540@1970

Variants

6402WD
640dt4WD

Height

2wd Hood56inches / 142cm
4wd Hood58.5inches / 148cm
Rops105.9inches / 268cm

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