| Manufacturer |
Zetor |
| Price |
- |
| Model |
8641 |
| Equipment Type |
- |
| Factory |
Brno, Czechoslovakia |
ZETOR 8641 POWER
ENGINE DETAIL
The Zetor 8641 features a turbocharged 4-cylinder diesel engine with a significant torque output of 219.1 lb-ft at a low RPM of 1450, making it well-suited for tasks requiring high pulling power, such as plowing or towing. With a displacement of 4.2L and a peak power of 85hp at 2200 RPM, it balances efficiency and performance for medium-sized agricultural operations. However, its reliance on a 12V electric starter system may present challenges in cold weather conditions where battery performance could decline.
| Description |
Zetor Z 1203 turbocharged diesel 4-cylinder liquid-cooled |
| Displacement |
253.6ci / 4.2L |
| Bore/Stroke |
4.13x4.72inches / 105x 120 mm |
| Power |
85hp / 63.4kW |
| Rated RPM |
2200 |
| Torque |
219.1 lb-ft /297.1 Nm |
| Torque RPM |
1450 |
| Starter |
electric |
| Starter volts |
12 |
ZETOR 8641 ENGINE
The Zetor 8641 is powered by a robust 4.2L 4-cylinder diesel engine, delivering reliable performance for various agricultural tasks. Its fuel tank capacity of 47.6 gallons (180.2 liters) allows for extended operating hours, reducing the need for frequent refueling during large-scale operations. However, operators should consider managing fuel consumption and maintenance schedules to maximize efficiency and reliability in the field.
| Description |
Zetor 4.2L 4-cyl diesel |
| Fuel tank |
47.6gal / 180.2L |
TRANSMISSION
The Zetor 8641 features a synchronized transmission with 24 forward and 18 reverse gears, allowing for versatile speed and direction control suited for various applications. The hydraulic dry disc clutch offers smooth engagement and disengagement, enhancing operator comfort and operational efficiency under load. However, the complexity of the gearbox could pose maintenance challenges, requiring thorough knowledge for optimal performance in demanding conditions.
| Type |
synchronized |
| Gears |
24 forward and 18 reverse |
| Clutch |
hydraulic dry disc |
MECHANICAL
The Zetor 8641 features a robust 4x4 MFWD chassis, offering superior traction and stability in varied field conditions, ideal for heavy-duty agricultural applications. Its power steering enhances maneuverability, while the wet disc brakes provide reliable stopping power even under load. With a 24-speed synchronized transmission, operators can efficiently manage speed and torque, optimizing performance for a range of tasks from plowing to transport.
| Chassis |
4x4 MFWD 4WD |
| Steering |
power |
| Brakes |
wet disc |
| Cab |
Cab standard with available air-conditioning. |
| Transmission |
24-speed synchronized |
HYDRAULICS
| Pump flow |
15.85gpm / 60.0lpm |
TRACTOR HITCH
| Rear lift |
10582lbs / 4799kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 |
ZETOR 8641 TIRES
The Zetor 8641 features front tires sized 13.6-24 and rear tires 18.4-34, providing a balanced weight distribution for improved traction and stability in various field conditions. The larger rear tires enhance flotation and reduce soil compaction, making it beneficial for agricultural applications on soft or uneven terrain. However, consider the potential challenges of maneuverability in tight spaces due to the larger footprint, which may affect performance in smaller, more constrained fields.
| Standard tires (ag) |
Front: 13.6-24. Rear: 18.4-34 |
DIMENSIONS
| Wheelbase |
93.7inches / 237cm |
| Length |
172inches / 436cm |
| Height |
106.7inches / 271cm |
| Weight |
8708lbs / 3949kg |
DIMENSIONS & TIRES
The Zetor 8641 features a wheelbase of 93.7 inches, which enhances maneuverability in tight spaces while providing stability during field operations. Weighing 8,708 lbs, this tractor offers significant pulling capacity, making it suitable for heavy-duty tasks, though the weight could be a challenge in softer soils where compaction may occur. The front tire size of 13.6-24 combined with rear tires of 18.4-34 allows for optimal traction and flotation, fostering efficient performance on varied terrain, particularly in agricultural applications.
| Wheelbase |
93.7inches / 237cm |
| Weight |
8708lbs / 3949kg |
| Front tire |
13.6-24 |
| Rear tire |
18.4-34 |
ELECTRICAL
| Ground |
negative |
| Battery volts |
12 |
