The Zetor Forterra 8641 specifications include engine power rated at 85 hp (63.4 kW), a synchronized, 24-forward, 18-reverse transmission, and a listed weight of 8,708 lbs (3,949 kg).
Zetor Forterra 8641 key specifications
| Engine power | 85 hp (63.4 kW) |
|---|---|
| Displacement | 253.6 cu in (4.2 L) |
| Transmission | synchronized, 24-forward, 18-reverse |
| Fuel capacity | 47.6 gal (180.2 L) |
| Weight | 8,708 lbs (3,949 kg) |
| Wheelbase | 93.7 inches (237 cm) |
| Rear PTO speed | 540 or 1,000 rpm |
Zetor Forterra 8641 industry comparison
See how this tractor compares across up to six main specifications using the low, average and high values in this specifications database.
Engine power85 hp
Low 10 hpAverage 48.1 hpHigh 180 hp
Displacement4.2 L
Low 0.4 LAverage 2.6 LHigh 7.3 L
Fuel capacity47.6 gal
Low 2.4 galAverage 19.9 galHigh 79.3 gal
Weight8,708 lbs
Low 1,090 lbsAverage 5,021.9 lbsHigh 12,875 lbs
Wheelbase93.7 in
Low 47.5 inAverage 78.6 inHigh 112.2 in
This model Industry average
Zetor Forterra 8641 dimensions chart
Compare the main listed tractor dimensions using centimetres.
Engine specifications
| Bore/Stroke | 4.13 × 4.72 inches (105 × 120 mm) |
|---|---|
| Rated RPM | 2,200 |
| Torque | 219.1 lb-ft (297.1 Nm) |
| Torque RPM | 1,450 |
| Starter | electric |
| Starter volts | 12 |
Transmission options
| Gears | 24 forward and 18 reverse |
|---|---|
| Clutch | hydraulic dry disc |
| Transmission type | synchronized |
PTO and hitch
| Rear lift | 10,582 lbs (4,799 kg) |
|---|---|
| Rear PTO | independent |
Hydraulics
| Pump flow | 15.85 gpm (60.0 L/min) |
|---|
Electrical specifications
| Electrical ground | negative |
|---|---|
| Battery volts | 12 |
Dimensions and weight
| Length | 172 inches (436 cm) |
|---|---|
| Height | 106.7 inches (271 cm) |
Tires and tread
| Standard tires (ag) | Front: 13.6-24. Rear: 18.4-34 |
|---|
Note: Industry comparison values are calculated from models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Zetor website or the tractor’s operator manual.

