Long
Long 550
The Long 550 is a utility tractor built by UTB/Universal in Brasov, Romania from 1972 to 1975. It features a 3.1L 4-cylinder liquid-cooled diesel engine producing 60 hp, with an 8-speed gear transmission and two-wheel drive. The tractor has an open operator station and optional power assist steering. It is equipped with a rear PTO running at 540 RPM and a rear hitch with a lift capacity of 2660 lbs. The Long 550 is known for its utility and reliability in farming applications.
Power60 hp
Founded1972 - 1975
Model550
Technical Specifications
Detailed specifications and technical data for Long 550
Power
| Engine | 60 hp (44.7 kW) |
|---|---|
| PTO (tested) | 53.61 hp (40.0 kW) |
| PTO (claimed) | 53.7 hp (40.0 kW) |
| Drawbar (tested) | 46.73 hp (34.8 kW) |
| Drawbar (claimed) | 46.7 hp (34.8 kW) |
Tires
| Ag rear | 18.4-28, 14.9x28, 16.9x28 |
|---|---|
| Ag front | 7.50-16 |
Engine
| Make | Uzina |
|---|---|
| Type | diesel |
| Power | 60 hp (44.7 kW) |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Fuel tank | 14.25 gal (53.9 L) |
| Rated RPM | 2400 |
| Bore/Stroke | 3.74x4.33 inches (95 x 110 mm) |
| Compression | 17:1 |
| Fuel system | direct injection |
| Displacement | 190.7 ci (3.1 L) |
| Oil capacity | 11 qts (10.4 L) |
| Starter volts | 12 |
| Coolant capacity | 14.7 qts (13.9 L) |
Dimensions
| 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) |
| Ballasted weight | 9110 lbs (4132 kg) |
| Operating weight | 4570 lbs (2072 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2133 psi (147.1 bar) |
| Pump flow | 5.75 gpm (21.8 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Independent contracting band brakes |
| Steering | manual, power assist Optional |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Built in | Brasov, Romania |
| Distributor | Long |
| Manufacturer | UTB/Universal |
| Years produced | 1972 - 1975 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | 279.4mm dry disc |
| Oil capacity | 18 qts (17.0 L) |
Tractor hitch
| Rear Type | II/I |
|---|---|
| Rear lift | 2660 lbs (1206 kg) |
Power Take-off (PTO)
| Engine RPM | 540@1970 |
|---|---|
| Rear PTO Type | 540 (1.375) |