The Deutz-Fahr M640 tractor is powered by a Deutz 6.1L 6-cyl diesel engine that provides 171hp / 127.5kW of horsepower and 528.8lb-ft / 717.1Nm torque. It has a 4x4 MFWD 4WD drive configuration and a 24-speed partial power shift 40-speed creeper transmission.

Engine

The engine is not specified in the data provided. However, based on the information provided for the transmission, the Deutz turbocharged intercooled diesel 6-cylinder 24-valve liquid-cooled engine has a displacement of 369.6ci / 6.1L, a bore/stroke of 3.98x4.96inches / 101x 126mm, and a power output of 171hp / 127.5kW. The engine also has a maximum power output of 181hp / 135.0kW, a rated rpm of 2100, a torque of 528.8lb-ft / 717.1Nm, and a torque rpm of 1000. The starter is electric and has a voltage of 12V.


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Transmission

The transmission is a 24-speed partial power shift 40-speed creeper. The engine that powers the transmission has a power output of 171hp / 127.5kW. The transmission is designed to provide smooth and efficient shifting between gears, allowing the operator to easily adjust the speed of the tractor to match the task at hand. The transmission also features a creeper gear, which allows the tractor to move at very slow speeds for tasks such as planting or harvesting. The transmission is reliable and easy to use, making it a popular choice among tractor operators.

Brakes

The brakes are wet disc brakes. The engine that powers the brakes has a power output of 171hp / 127.5kW. The brakes are designed to provide reliable stopping power, even in wet or muddy conditions. The wet disc design helps to dissipate heat, which can prolong the life of the brakes. The brakes are easy to maintain and are designed to provide long-lasting performance. The displacement of the engine that powers the brakes is 369.6ci / 6.1L, and it has a bore/stroke of 3.98x4.96inches / 101x 126mm.



Steering

The steering is power steering. The engine that powers the steering has a displacement of 6.1L and has 6 cylinders. The power steering system is designed to provide easy and precise control of the tractor, even when working in tight spaces. The steering system is reliable and easy to maintain, making it a popular choice among tractor operators. The Deutz 6.1L 6-cylinder diesel engine that powers the steering has a power output of 171hp / 127.5kW.


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Common Problems

Some common problems that users have reported with the Deutz-Fahr M640 include issues with the cab air conditioning system, as well as occasional problems with the power shift transmission. Some users have also reported issues with the wet disc brakes, although these problems are relatively rare. Overall, the Deutz-Fahr M640 is a reliable and well-built tractor that is designed to provide long-lasting performance in a variety of different applications.

What Users Like

Users appreciate the Deutz-Fahr M640 for its powerful engine, which provides plenty of power for a variety of different tasks. They also like the smooth and efficient transmission, which makes it easy to adjust the speed of the tractor to match the task at hand. The power steering system is also popular among users, as it provides easy and precise control of the tractor. Finally, users appreciate the standard tires, which are designed to provide excellent traction in a variety of different conditions.

Deutz-Fahr M640 Technical Specifications

Power

Engine171hp / 127.5kW

Engine Detail

DescriptionDeutz turbocharged intercooled diesel 6-cylinder 24-valve liquid-cooled
Displacement369.6ci / 6.1L
Bore/stroke3.98x4.96inches / 101x 126mm
Power171hp / 127.5kW
Maximum Power181hp / 135.0kW
Rated Rpm2100
Torque528.8lb-ft / 717.1Nm
Torque Rpm1000
Starterelectric
Starter Volts12

Engine

DescriptionDeutz 6.1L 6-cyl diesel

Mechanical

Chassis4x4 MFWD 4WD
Steeringpower
Brakeswet disc
CabCab standard with air-conditioning
Transmissions24-speed partial power shift 40-speed creeper

Tires

Standard Tires (ag)Front: 540/65R28. Rear: 650/65R38

Dimensions

Wheelbase109.1inches / 277cm
Length187.4inches / 475cm
Height (cab)118.1inches / 299cm
Weight13160lbs / 5969kg

Dimensions And Tires

Wheelbase109.1inches / 277cm
Weight13160lbs / 5969kg
Front Tire540/65R28
Rear Tire650/65R38

Capacity

Fuel80.6gal / 305.1L
Hydraulic System10.6gal / 40.1L

Hydraulics

Typeopen center load sensing
Capacity10.6gal / 40.1L
Pressure2900psi / 200.0bar
Rear Valves4
Pump Flow21.9gpm / 82.9lpm *Open center/31.7gpm / 120.0lpm *Load sensing
Steering Flow11gpm / 41.6lpm
Steering Press.2600psi / 179.3bar

Tractor Hitch

Rear TypeIII/II
Controlposition and draft control
Rear Lift13640lbs / 6187kg 20240lbs / 9180kg
Front HitchII
Front Lift8800lbs / 3991kg

Electrical

Charging Systemalternator
Charging Amps150
Battery Volts12
Battery Ah143/190

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000
Engine Rpm1000@1960
Front Ptoindependent
Front Rpm1000

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