Introduction
UTB/Universal 550 Utility Tractor
The UTB/Universal 550 is a utility tractor manufactured in Brasov, Romania, between 1972 and 1975. Designed for general agricultural tasks, this two-wheel-drive model is characterized by its mechanical simplicity and robust construction.
Engine and Performance
The tractor is powered by a 3.1-liter, 4-cylinder diesel engine. Utilizing direct injection and liquid cooling, the engine produces 60 horsepower (44.7 kW) at a rated speed of 2400 RPM. It features a bore and stroke of 95 mm by 110 mm with a compression ratio of 17:1.
Transmission and Drivetrain
The powertrain includes a manual gear transmission providing 8 forward speeds and 2 reverse speeds. Power is transferred via a 279.4 mm dry disc clutch. The steering is manual by default, with an optional power-assist system available, and the tractor is equipped with independent contracting band brakes.
Hydraulics and PTO
The hydraulic system utilizes an open-center design operating at a pressure of 2133 psi (147.1 bar) with a pump flow rate of 5.75 gpm (21.8 lpm). The rear Power Take-Off (PTO) provides a standard speed of 540 RPM, reached at an engine speed of 1970 RPM.
Hitch and Dimensions
The rear hitch is a Category II/I type, capable of lifting up to 2660 lbs (1206 kg). The machine has a wheelbase of 81.5 inches (207 cm) and an operating weight of 4570 lbs (2072 kg), which can be increased to 9110 lbs (4132 kg) when ballasted.
Conclusion
The UTB/Universal 550 is a utilitarian machine well-suited for farmers requiring a dependable, mid-sized tractor for field and light draft operations. Its mechanical configuration emphasizes ease of maintenance and operational durability.
Production Information of Long, 550
- Built in Brasov, Romania
- Utility tractor
| Distributor | Long |
|---|---|
| Manufacturer | UTB/Universal |
Dimension and Tires Information of Long, 550
| Wheelbase | 81.5 inches [207 cm] |
|---|---|
| Rear tread | 47.25 to 74.7 inches [120 to 189 cm] |
| Front tread | 52 to 79 inches [132 to 200 cm] |
| Operating weight | 4570 lbs [2072 kg] |
| Ballasted weight | 9110 lbs [4132 kg] |
| Ag front | 7.50-16 |
|---|---|
| Ag front(optional) | 16.9x28 |
| Ag rear | 18.4-28 |
| Ag rear | 14.9x28 |
Engine Specifications of Long, 550
- Uzina
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 190.7 ci [3.1 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 3.74x4.33 inches [95 x 110 mm] |
| Coolant capacity | 14.7 qts [13.9 L] |
| Oil capacity | 11 qts [10.4 L] |
| Rated RPM | 2400 |
| Compression | 17:1 |
| Power | 60 hp [44.7 kW] |
Transmission Information of Long, 550
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 18 qts [17.0 L] |
| Gears | 8 forward and 2 reverse |
| Clutch | 279.4mm dry disc |
Mechanical Specs of Long, 550
- Two-wheel drive
- Open operator station.
- Independent contracting band brakes
| Steering | Manual |
|---|---|
| Steering(optional) | Power assist |
Power Information of Long, 550
| Rear PTO Type | 540 (1.375) |
|---|---|
| Engine RPM | 540@1970 |
Hydraulics Specifications of Long, 550
| Type | Open center |
|---|---|
| Pressure | 2133 psi [147.1 bar] |
| Pump flow | 5.75 gpm [21.8 lpm] |
Three-Point Hitch of Long, 550
| Rear Type | II/I |
|---|---|
| Rear lift | 2660 lbs [1206 kg] |
Electrical System of Long, 550
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
Its power puts it in the 42th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Long 550 have?
The Long 550 delivers 60 HP.
What years was the Long 550 produced?
The Long 550 was produced in 1972-1975.
What engine does the Long 550 have?
The Long 550 is powered by a Diesel, 4-cylinder engine.
What transmission does the Long 550 use?
The Long 550 uses a Gear transmission.
How much does the Long 550 weigh?
The Long 550 weighs 4570 lbs [2072 kg].
Is the Long 550 4WD?
The Long 550 is available in 2WD.