Introduction
Zetor 9640 Row-Crop Tractor
The Zetor 9640 is a row-crop tractor produced between 1998 and 1999 in Brno, Czech Republic. Part of the 9620 series, this machine was designed as a versatile utility tractor for professional agricultural operations.
Engine and Performance
The tractor is powered by a Zetor Z 1001 4.2-liter, 4-cylinder turbocharged diesel engine. It features direct fuel injection and liquid cooling, delivering a rated power of 92 hp (68.6 kW) at 2200 RPM. The engine relies on glow plugs for cold-start assistance and utilizes a 12-volt electrical starting system.
Transmission and Drivetrain
The drivetrain features a four-wheel drive system for improved traction. Power is managed through a synchromesh transmission providing 18 forward and 6 reverse gears, complemented by a three-speed torque multiplier. The system uses a 330mm hydraulic dry disc clutch for gear engagement, while the rear differential lock is operated electro-hydraulically.
Hydraulics and Hitch
The hydraulic system is of the open-center type, providing a pump flow of 16 gpm (60.6 lpm) at a pressure of 2600 psi (179.3 bar). It includes three valves for implement control. The rear hitch is a Category II type, equipped with position and draft control, capable of lifting up to 9000 lbs (4082 kg).
Operator Environment and Dimensions
The 9640 is equipped with a standard cab that includes optional air conditioning, with a two-post ROPS configuration also available. Operation is facilitated by power steering and hydraulic wet disc brakes. The tractor has a wheelbase of 93.5 inches (237 cm) and a total weight of 8430 lbs (3823 kg).
Power Take-Off
The rear independent power take-off (PTO) operates via a wet disc clutch system. It offers dual speed settings of 540 and 1000 RPM, utilizing a standard 1.375-inch shaft diameter to support a wide range of agricultural implements.
Conclusion
The Zetor 9640 is a reliable, medium-horsepower row-crop tractor designed for standard field duties. Its combination of a high-capacity rear lift, versatile transmission, and four-wheel drive makes it suitable for a variety of tasks ranging from tillage to transport.
Production Information of Zetor, 9640
- Original price was $40,000 in 1999
- Row-Crop tractor
- Built in Brno, Czech Republic
| Manufacturer | Zetor |
|---|
Dimension and Tires Information of Zetor, 9640
| Front tread | 64 to 79.5 inches [162 to 201 cm] |
|---|---|
| Wheelbase | 93.5 inches [237 cm] |
| Weight | 8430 lbs [3823 kg] |
| Height (cab) | 105 inches [266 cm] |
| Length | 156 inches [396 cm] |
| Rear tread | 59 to 71 inches [149 to 180 cm] |
| Ground clearance | 17 inches [43 cm] |
| Width | 76 inches [193 cm] |
| Ag front | 12.4-24 |
|---|---|
| Ag rear | 16.9-38 |
Engine Specifications of Zetor, 9640
- Zetor Z 1001
- Liquid-cooled
- Turbocharged diesel
- 4-cylinder
| Starter | Electric |
|---|---|
| Displacement | 254 ci [4.2 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 4.134x4.724 inches [105 x 120 mm] |
| Starter volts | 12 |
| Rated RPM | 2200 |
| Pre-heating | Glow plugs |
| Power | 92 hp [68.6 kW] |
Transmission Information of Zetor, 9640
Transmission variants 1
- Three gears in high/low/reverse ranges with a three-speed torque multiplier.
| Type | Synchromesh |
|---|---|
| Gears | 18 forward and 6 reverse |
| Clutch | 330mm hydraulic dry disc |
Mechanical Specs of Zetor, 9640
- Four-wheel drive
- Cab standard with available air-conditioning. Two-post ROPS available.
- Hydraulic wet disc brakes
- Power steering
| Differential lock | Electro-hydraulic rear |
|---|
Power Information of Zetor, 9640
| Rear PTO | Independent |
|---|---|
| Clutch | Wet disc |
| Rear PTO Type | 540/1000 (1.375) |
Hydraulics Specifications of Zetor, 9640
| Type | Open center |
|---|---|
| Steering flow | 6.5 gpm [24.6 lpm] |
| Pump flow | 16 gpm [60.6 lpm] |
| Pressure | 2600 psi [179.3 bar] |
| Valves | 3 |
Three-Point Hitch of Zetor, 9640
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 9000 lbs [4082 kg] |
Electrical System of Zetor, 9640
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 1150 |
| Charging system | Alternator |
| Charging amps | 55 |
Where it sits
Its power puts it in the 63th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Zetor 9640 have?
The Zetor 9640 delivers 92 HP.
What years was the Zetor 9640 produced?
The Zetor 9640 was produced in 1998-1999.
What engine does the Zetor 9640 have?
The Zetor 9640 is powered by a Turbocharged diesel, 4-cylinder engine.
What transmission does the Zetor 9640 use?
The Zetor 9640 uses a Synchromesh transmission.
How much does the Zetor 9640 weigh?
The Zetor 9640 weighs 8430 lbs [3823 kg].
Is the Zetor 9640 4WD?
The Zetor 9640 is available in 4WD.