Introduction
Zetor 8641 Tractor
The Zetor 8641 is a four-wheel-drive agricultural tractor produced in Brno, Czechoslovakia, between 1999 and 2007. It is designed to serve as a versatile utility tractor, offering a balance of mechanical power and operator comfort for various field operations.
Engine and Performance
The tractor is powered by the Zetor Z 1203, a 4.2-liter, four-cylinder turbocharged diesel engine. It generates 85 horsepower (63.4 kW) at a rated speed of 2200 RPM and produces 219.1 lb-ft (297.1 Nm) of torque at 1450 RPM. The engine is liquid-cooled and utilizes a 12-volt electrical starter system.
Transmission and Drivetrain
The drivetrain features a synchronized transmission providing 24 forward and 18 reverse gears, allowing for precise speed selection during field work. Power is delivered through a hydraulic dry disc clutch, and the tractor is equipped with four-wheel drive, power steering, and wet disc brakes for enhanced maneuverability and braking performance.
Hydraulics and Hitch
The hydraulic system is supported by a pump providing a flow rate of 15.85 gpm (60.0 lpm). For implement operation, the tractor includes an independent rear power take-off (PTO) with dual speeds of 540/1000 RPM. The rear hitch assembly offers a lift capacity of 10,582 lbs (4,799 kg).
Dimensions and Operator Environment
The 8641 has a wheelbase of 93.7 inches (237 cm) and a total weight of 8,708 lbs (3,949 kg). It is equipped with a standard cab that includes the option for air conditioning to improve operator conditions. The machine typically runs on 13.6-24 front tires and 18.4-34 rear tires.
Conclusion
With its robust 85-horsepower engine, high-capacity rear lift, and comprehensive gear range, the Zetor 8641 is suited for general agricultural applications, including tillage, hauling, and implement operation in demanding field environments.
Production Information of Zetor, 8641
- Built in Brno, Czechoslovakia
| Manufacturer | Zetor |
|---|
Dimension and Tires Information of Zetor, 8641
| Wheelbase | 93.7 inches [237 cm] |
|---|---|
| Weight | 8708 lbs [3949 kg] |
| Length | 172 inches [436 cm] |
| Height | 106.7 inches [271 cm] |
| Standard tires (ag) | Front: 13.6-24. Rear: 18.4-34 |
|---|
Engine Specifications of Zetor, 8641
- Zetor Z 1203
- Liquid-cooled
- Turbocharged diesel
- 4-cylinder
| Starter | Electric |
|---|---|
| Displacement | 253.6 ci [4.2 L] |
| Rated RPM | 2200 |
| Bore/Stroke | 4.13x4.72 inches [105 x 120 mm] |
| Starter volts | 12 |
| Torque RPM | 1450 |
| Torque | 219.1 lb-ft [297.1 Nm] |
| Power | 85 hp [63.4 kW] |
Transmission Information of Zetor, 8641
Transmission variants 1
| Type | Synchronized |
|---|---|
| Gears | 24 forward and 18 reverse |
| Clutch | Hydraulic dry disc |
Mechanical Specs of Zetor, 8641
- Four-wheel drive
- Cab standard with available air-conditioning.
- Power steering
- Wet disc brakes
Power Information of Zetor, 8641
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of Zetor, 8641
| Pump flow | 15.85 gpm [60.0 lpm] |
|---|
Three-Point Hitch of Zetor, 8641
| Rear lift | 10582 lbs [4799 kg] |
|---|
Electrical System of Zetor, 8641
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 85 HP, the Zetor 8641 sits between 8540 (80 HP) and 9641 (95 HP) in Zetor's range. Its power puts it in the 60th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Zetor 8641 have?
The Zetor 8641 delivers 85 HP.
What years was the Zetor 8641 produced?
The Zetor 8641 was produced in 1999-2007.
What engine does the Zetor 8641 have?
The Zetor 8641 is powered by a Turbocharged diesel, 4-cylinder engine.
What transmission does the Zetor 8641 use?
The Zetor 8641 uses a Synchronized transmission.
How much does the Zetor 8641 weigh?
The Zetor 8641 weighs 8708 lbs [3949 kg].
Is the Zetor 8641 4WD?
The Zetor 8641 is available in 4WD.