Introduction
UTB 550 Agricultural Tractor
The UTB 550 is a utility tractor produced by Ascot Universal in Brasov, Romania, between 1974 and 1981. Designed for general agricultural tasks, this model features a 55 horsepower engine and is available in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by a 3.1-liter (190.3 cubic inch), 4-cylinder liquid-cooled diesel engine. It utilizes a direct injection fuel system and operates at a rated speed of 2400 RPM. The engine delivers a power output of 55 hp (41.0 kW), supported by a 12-volt starting system.
Transmission and Drivetrain
The UTB 550 offers two transmission options: a constant mesh system providing 12 forward and 3 reverse speeds, or a shuttle transmission providing 8 forward and 8 reverse speeds. Both configurations utilize a dry disc clutch. The drivetrain includes a mechanical rear differential lock to improve traction in challenging field conditions.
Hydraulics and Hitch
The hydraulic system is an open-center design with a pump flow capacity of 10.8 gpm (40.9 lpm) and one control valve. The rear hitch is a Category II/I type, featuring both position and draft control, with a maximum lift capacity of 4,630 lbs (2,100 kg). The rear PTO operates at 540 RPM.
Dimensions and Operator Station
The tractor weighs approximately 4,600 lbs (2,086 kg). It is equipped with power steering and dry band brakes. The standard operator station includes a Roll-Over Protective Structure (ROPS), with an optional cab available for enhanced operator protection.
Conclusion
The UTB 550 is a robust and mechanically straightforward tractor suitable for medium-duty agricultural operations, offering reliable power and standard hydraulic capabilities for various implements.
Production Information of Ascot Universal, 550
- Built in Brasov, Romania
- Original price was $24,000 in 1981
| Manufacturer | Ascot Universal |
|---|
Dimension and Tires Information of Ascot Universal, 550
| Weight | 4600 lbs [2086 kg] |
|---|
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 18.4-28 |
Engine Specifications of Ascot Universal, 550
- UTB
- Liquid-cooled
- Diesel
- 4-cylinder
| Rated RPM | 2400 |
|---|---|
| Displacement | 190.3 ci [3.1 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 3.74x4.331 inches [95 x 110 mm] |
| Starter power | 4 hp [3.0 kW] |
| Starter volts | 12 |
| Compression | 17:1 |
| Air cleaner | Oil bath |
| Power | 55 hp [41.0 kW] |
Transmission Information of Ascot Universal, 550
Transmission variants 1
- Four gears (1-4) plus reverse (R) in three ranges (creeper, low, and high). Gears 3 and 4 are synchronized.
| Type | Constant mesh |
|---|---|
| Gears | 12 forward and 3 reverse |
| Clutch | Dry disc |
Transmission variants 2
| Type | Shuttle |
|---|---|
| Gears | 8 forward and reverse |
| Clutch | Dry disc |
- 12-speed constant mesh
- 8-speed shuttle
Mechanical Specs of Ascot Universal, 550
- Two- or four-wheel drive
- ROPS. Cab optional.
- Dry band brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Ascot Universal, 550
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 |
Hydraulics Specifications of Ascot Universal, 550
| Type | Open center |
|---|---|
| Valves | 1 |
| Pump flow | 10.8 gpm [40.9 lpm] |
Three-Point Hitch of Ascot Universal, 550
| Rear Type | II/I |
|---|---|
| Control | Position and draft control |
| Rear lift | 4630 lbs [2100 kg] |
Electrical System of Ascot Universal, 550
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 55 HP, the Ascot Universal 550 sits between 445 (45 HP) and A1800A (180 HP) in Ascot Universal's range. Its power puts it in the 37th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Ascot Universal 550 have?
The Ascot Universal 550 delivers 55 HP.
What years was the Ascot Universal 550 produced?
The Ascot Universal 550 was produced in 1974-1981.
What engine does the Ascot Universal 550 have?
The Ascot Universal 550 is powered by a Diesel, 4-cylinder engine.
What transmission does the Ascot Universal 550 use?
The Ascot Universal 550 uses a Constant mesh transmission.
How much does the Ascot Universal 550 weigh?
The Ascot Universal 550 weighs 4600 lbs [2086 kg].
Is the Ascot Universal 550 4WD?
The Ascot Universal 550 is available in 2WD/4WD.