Overview
The Zetor 8640 is a versatile 4WD row-crop tractor featuring an 82 hp 4.2L diesel engine and an 18-speed synchromesh transmission with a three-speed torque multiplier. Built in the Czech Republic, this model offers a robust 9,000 lbs rear lift capacity and standard cab options, making it a powerful choice for demanding farm operations.
Ideal Applications
Heavy Lifting and Implements:
With a 9,000 lbs rear lift capacity and Type II hitch, this tractor is well-suited for handling heavy three-point mounted implements and demanding rear-loading tasks.
Field Work in Variable Conditions:
The 4x4 MWD drive system combined with electro-hydraulic rear differential lock and an 18-speed transmission allows for effective traction and speed management across diverse terrain.
All-Season Productivity:
The standard cab with available air-conditioning and a high-capacity 1150 CCA battery ensures operator comfort and reliable starting via glow plug pre-heating in various climates.
Production
| Description | Row-Crop tractor / Built in Brno, Czech Republic / Original price was $34,000 in 1999 |
|---|---|
| Manufacturer | Zetor |
Engine
| Engine type | Zetor 4.2L 4-cyl diesel |
|---|---|
| Fuel tank | 28 gal (106.0 L) |
| Bore/Stroke | 4.134x4.724 inches (105 x 120 mm) |
| Description | Zetor Z 1201 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 254 ci (4.2 L) |
| Fuel system | direct injection |
| Power | 82 hp (61.1 kW) |
| Pre-heating | glow plugs |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
| PTO (claimed) | 74 hp (55.2 kW) |
Transmission
| Clutch | 330mm hydraulic dry disc |
|---|---|
| Description | Three gears in high/low/reverse ranges with a three-speed torque multiplier. |
| Gears | 18 forward and 6 reverse |
| Transmission type | 18-speed synchromesh |
| Type | synchromesh |
Mechanical
| Cab | Cab standard with available air-conditioning. Two-post ROPS available. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic rear |
| Drive | 4x4 MWD 4WD |
Hydraulics
| Pressure | 2600 psi (179.3 bar) |
|---|---|
| Pump flow | 16 gpm (60.6 lpm) |
| Steering flow | 6.5 gpm (24.6 lpm) |
| Type | open center |
| Valves | 3 |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 9000 lbs (4082 kg) |
| Rear Type | II |
PTO
| Clutch | wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Battery CCA | 1150 |
|---|---|
| Battery volts | 12 |
| Charging amps | 55 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Front tread | 64 to 79.5 inches (162 to 201 cm) |
|---|---|
| Ground clearance | 17 inches (43 cm) |
| Height (cab) | 105 inches (266 cm) |
| Length | 156 inches (396 cm) |
| Rear tread | 59 to 71 inches (149 to 180 cm) |
| Weight | 8430 lbs (3823 kg) |
| Wheelbase | 93.5 inches (237 cm) |
| Width | 76 inches (193 cm) |
| Front tire | 12.4-24 |
| Rear tire | 16.9-38 |
| Weight | 8430 lbs (3823 kg) |
| Wheelbase | 93.5 inches (237 cm) |
| Ag front | 12.4-24 |
| Ag rear | 16.9-38 |
References
| Description | Model 8620/8640 published in 1996, by Zetor |
|---|
Speeds
| Description | With 16.9-38 rear tires. |
|---|
Variants
| 8620 | 2WD |
|---|---|
| 8640 | 4WD |