The Zetor 8641 tractor is powered by a Zetor 4.2L 4-cyl diesel engine that provides 85hp / 63.4kW of horsepower and 219.1 lb-ft /297.1 Nm torque. It has a 4x4 MFWD 4WD drive configuration and a synchronized transmission.

Engine

The engine is not specified in the data provided. However, based on the transmission specification, the engine is 85hp / 63.4kW. It is a Zetor Z 1203 turbocharged diesel 4-cylinder liquid-cooled engine with a displacement of 253.6ci / 4.2L. The bore/stroke ratio is 4.13x4.72inches / 105x 120 mm. The engine has a rated RPM of 2200 and a torque of 219.1 lb-ft /297.1 Nm at 1450 RPM. The starter is electric and operates at 12 volts.


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Transmission

The transmission is a 24-speed synchronized gearbox with 24 forward and 18 reverse gears. The engine is 85hp / 63.4kW. The transmission is designed to work in sync with the engine to provide optimal performance. The transmission is a hydraulic dry disc clutch type. The transmission is designed to provide smooth and efficient gear changes. The transmission is easy to operate and maintain.

Brakes

The brakes are wet disc type. The engine is a Zetor Z 1203 turbocharged diesel 4-cylinder liquid-cooled engine with a displacement of 253.6ci / 4.2L. The bore/stroke ratio is 4.13x4.72inches / 105x 120 mm. The engine has a rated RPM of 2200 and a torque of 219.1 lb-ft /297.1 Nm at 1450 RPM. The brakes are designed to provide reliable and efficient stopping power. The brakes are easy to maintain and replace when necessary.



Steering

The steering is power-assisted. The engine is a Zetor 4.2L 4-cylinder diesel engine. The fuel tank has a capacity of 47.6gal / 180.2L. The steering is designed to provide precise and responsive control of the tractor. The power-assisted steering makes it easy to maneuver the tractor in tight spaces. The steering is easy to maintain and repair when necessary.


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Common Problems

Users have reported issues with the tractor's chassis, specifically with the 4x4 MFWD 4WD system. Some users have also reported problems with the power steering system. The wet disc brakes have also been reported to wear out quickly and require frequent replacement. Some users have reported issues with the cab, specifically with the air-conditioning system. The 24-speed synchronized transmission has also been reported to have issues with gear changes.

What Users Like

Users appreciate the standard tires (ag) that come with the tractor, which are Front: 13.6-24. Rear: 18.4-34. Users also appreciate the power-assisted steering system, which makes it easy to maneuver the tractor in tight spaces. The 24-speed synchronized transmission provides smooth and efficient gear changes. The wet disc brakes provide reliable and efficient stopping power. The tractor's hydraulics are also appreciated for their efficient and reliable operation.

Zetor 8641 Technical Specifications

Power

Engine85hp / 63.4kW

Engine Detail

DescriptionZetor Z 1203 turbocharged diesel 4-cylinder liquid-cooled
Displacement253.6ci / 4.2L
Bore/stroke4.13x4.72inches / 105x 120 mm
Power85hp / 63.4kW
Rated Rpm2200
Torque219.1 lb-ft /297.1 Nm
Torque Rpm1450
Starterelectric
Starter Volts12

Engine

DescriptionZetor 4.2L 4-cyl diesel
Fuel Tank47.6gal / 180.2L

Transmission

Typesynchronized
Gears24 forward and 18 reverse
Clutchhydraulic dry disc

Mechanical

Chassis4x4 MFWD 4WD
Steeringpower
Brakeswet disc
CabCab standard with available air-conditioning.
Transmission24-speed synchronized

Tires

Standard Tires (ag)Front: 13.6-24. Rear: 18.4-34

Dimensions

Wheelbase93.7inches / 237cm
Length172inches / 436cm
Height106.7inches / 271cm
Weight8708lbs / 3949kg

Dimensions And Tires

Wheelbase93.7inches / 237cm
Weight8708lbs / 3949kg
Front Tire13.6-24
Rear Tire18.4-34

Hydraulics

Pump Flow15.85gpm / 60.0lpm

Tractor Hitch

Rear Lift10582lbs / 4799kg

Electrical

Groundnegative
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000

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