Introduction
UTB S640 Agricultural Crawler Tractor
The UTB S640 is an agricultural crawler tractor manufactured by UTB/Universal in Brasov, Romania, between 1983 and 1985. Designed for heavy-duty field work, this tracked machine provides high traction and stability in demanding terrain.
Engine and Performance
The tractor is powered by a 4-cylinder, liquid-cooled diesel engine with a displacement of 3.6 liters. It utilizes a direct injection fuel system, producing 65 horsepower at a rated speed of 2400 RPM. The engine delivers 163 lb-ft (221.0 Nm) of torque at 1400 RPM, providing consistent power for agricultural implements.
Transmission and Drive
The S640 features a constant mesh transmission system offering 6 forward and 2 reverse gears. Power is transferred through 254mm dry disc clutches. As a crawler tractor, it operates on 12.2-inch tracks and is controlled via band brakes, ensuring maneuverability on uneven ground.
Hydraulics and Hitch
The tractor is equipped with an open center hydraulic system, delivering a pump flow of 5.8 gpm (22.0 lpm) at a pressure of 2475 psi (170.7 bar). The rear hitch is compatible with Category II/I equipment and offers a lift capacity of 2860 lbs (1297 kg). The rear PTO operates at 540 RPM at an engine speed of 1970 RPM.
Conclusion
With a operating weight of 6700 lbs (3039 kg) and a 60.2-inch wheelbase, the UTB S640 is engineered for stability and high-traction performance. It remains a reliable choice for field applications requiring a tracked platform.
Production Information of UTB Universal, S640
- Agricultural Crawler tractor
- Built in Brasov, Romania
| Manufacturer | UTB/Universal |
|---|
Engine Specifications of UTB Universal, S640
- UTB
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter power | 4 hp [3.0 kW] |
|---|---|
| Fuel system | Direct injection |
| Compression | 17:1 |
| Torque | 163 lb-ft [221.0 Nm] |
| Rated RPM | 2400 |
| Displacement | 219.4 ci [3.6 L] |
| Power | 65 hp [48.5 kW] |
| Bore/Stroke | 4.02x4.33 inches [102 x 110 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Torque RPM | 1400 |
Transmission Information of UTB Universal, S640
Transmission variants 1
| Type | Constant mesh |
|---|---|
| Gears | 6 forward and 2 reverse |
| Clutch | 254mm dry discs |
Mechanical Specs of UTB Universal, S640
- Band brakes
- Open operator station.
| Drive | Crawler |
|---|
Power Information of UTB Universal, S640
| Rear PTO Type | 540 |
|---|---|
| Engine RPM | 540@1970 |
Hydraulics Specifications of UTB Universal, S640
| Type | Open center |
|---|---|
| Pressure | 2475 psi [170.7 bar] |
| Pump flow | 5.8 gpm [22.0 lpm] |
Three-Point Hitch of UTB Universal, S640
| Rear Type | II/I |
|---|---|
| Rear lift | 2860 lbs [1297 kg] |
Electrical System of UTB Universal, S640
| Charging system | Alternator |
|---|---|
| Battery volts | 12 |
Where it sits
With 65 HP, the UTB Universal S640 sits between 643 (64 HP) and 642 (68 HP) in UTB Universal's range. Its power puts it in the 47th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the UTB Universal S640 have?
The UTB Universal S640 delivers 65 HP.
What years was the UTB Universal S640 produced?
The UTB Universal S640 was produced in 1983-1985.
What engine does the UTB Universal S640 have?
The UTB Universal S640 is powered by a Diesel, 4-cylinder engine.
What transmission does the UTB Universal S640 use?
The UTB Universal S640 uses a Constant mesh transmission.