UTB/Universal 550 Specs ( 1974-1981 )
Overview
The UTB/Universal 550 is a farm tractor produced between 1974 and 1981 in Brasov, Romania, featuring a 3.1L 4-cylinder liquid-cooled diesel engine rated at 55 hp. It is equipped with an open center hydraulic system providing a 10.8 gpm pump flow and a rear lift capacity of 4,630 lbs.
Ideal Applications
Transmission Configuration:
This model is equipped with a 12-speed constant mesh transmission featuring three ranges and synchronized third and fourth gears, or an optional 8-speed shuttle system.
Mechanical and Hydraulic Specifications:
The tractor features a live 540 RPM rear PTO, mechanical rear differential lock, and a Category II/I rear hitch supported by a 10.8 gpm hydraulic pump flow.
Engine and Electrical Systems:
The UTB diesel engine operates with a 17:1 compression ratio, 12V negative ground alternator system, and a 14.2 gallon fuel tank capacity.
Production
| Description | Built in Brasov, Romania / Original price was $24,000 in 1981 |
|---|---|
| Manufacturer | UTB/Universal |
Engine
| Engine type | UTB 3.1L 4-cyl diesel |
|---|---|
| Fuel tank | 14.2 gal (53.7 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.74x4.331 inches (95 x 110 mm) |
| Compression | 17:1 |
| Description | UTB / diesel / 4-cylinder / liquid-cooled |
| Displacement | 190.3 ci (3.1 L) |
| Fuel system | direct injection |
| Power | 55 hp (41.0 kW) |
| Rated RPM | 2400 |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| PTO (claimed) | 53 hp (39.5 kW) |
Transmission
| Clutch | dry disc / dry disc |
|---|---|
| Description | Four gears (1-4) plus reverse (R) in three ranges (creeper, low, and high). Gears 3 and 4 are synchronized. |
| Gears | 12 forward and 3 reverse / 8 forward and reverse |
| Type | constant mesh / shuttle |
| Transmission type | 12-speed constant mesh / 8-speed shuttle |
| Transmission type | 12-speed constant mesh / 8-speed shuttle |
Mechanical
| Cab | ROPS. Cab optional. |
|---|---|
| Description | Power steering / Dry band brakes |
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 10.8 gpm (40.9 lpm) |
|---|---|
| Type | open center |
| Valves | 1 |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 4630 lbs (2100 kg) |
| Rear Type | II/I |
PTO
| Rear PTO | live |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Weight | 4600 lbs (2086 kg) |
|---|---|
| Front tire | 7.50-16 |
| Rear tire | 18.4-28 |
| Weight | 4600 lbs (2086 kg) |
| Ag front | 7.50-16 |
| Ag rear | 18.4-28 |
Speeds
| Description | With 14.9x28 rear tires. / With 14.9x28 rear tires. Reverse speeds are 15% faster than forward. |
|---|