Long 550
The Long 550 is a tractor produced by Long. It is equipped with a 190.7 ci 3.1 L engine. The rated power output is 60 hp 44.7 kW. Transmission: 8 forward and 2 reverse. Operating weight: 4570 lbs 2072 kg.
Engine Power
60 hp
44.7 kW
Fuel & Capacities
14.25 gal
53.9 L
Transmission
8 forward and 2 reverse
Operating Weight
4570 lbs
2072 kg
Long 550 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1972 - 1975
Utility tractorUTB/Universal built |
|---|---|
1972 - 1975 | |
Utility tractor | |
UTB/Universal built | |
1972 - 1975 | |
|---|---|
Utility tractor | |
UTB/Universal built |
Production | |
|---|---|
Distributor | Long |
Manufacturer | UTB/Universal |
Utility tractor | |
Built in Brasov, Romania | |
Long 550 Engine | |
|---|---|
Uzina 3.1L 4-cyl diesel | |
Fuel tank | 14.25 gal
53.9 L |
Engine details ...  | |
Long 550 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Long 550 Power | |
|---|---|
Engine | 60 hp
44.7 kW |
Drawbar (claimed) | 46.7 hp
34.8 kW |
PTO (claimed) | 53.7 hp
40.0 kW |
Drawbar (tested) | 46.73 hp
34.8 kW |
PTO (tested) | 53.61 hp
40.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
power assist OptOptional | |
Independent contracting band brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2133 psi
147.1 bar |
Pump flow | 5.75 gpm
21.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Rear lift | 2660 lbs
1206 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1970 |
Dimensions & Tires | |
|---|---|
Wheelbase | 81.5 inches
207 cm |
Weight | 4570 lbs
2072 kg |
Front tire | 7.50-16 |
Rear tire | 18.4-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
| 1972 - 1975
Utility tractorUTB/Universal built |
|---|---|
1972 - 1975 | |
Utility tractor | |
UTB/Universal built | |
1972 - 1975 | |
|---|---|
Utility tractor | |
UTB/Universal built |
Engine Detail — 190.7 ci / 3.1 L Diesel
Manufacturer | Uzina |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 190.7 ci
3.1 L |
Bore/Stroke | 3.74x4.33 inches
95 x 110 mm |
Power | 60 hp
44.7 kW |
Fuel system | direct injection |
Compression | 17:1 |
Rated RPM | 2400 |
Starter volts | 12 |
Oil capacity | 11 qts
10.4 L |
Coolant capacity | 14.7 qts
13.9 L |
Transmission
| 1972 - 1975
Utility tractorUTB/Universal built |
|---|---|
1972 - 1975 | |
Utility tractor | |
UTB/Universal built | |
1972 - 1975 | |
|---|---|
Utility tractor | |
UTB/Universal built |
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Clutch | 279.4mm dry disc |
Oil capacity | 18 qts
17.0 L |
 | |
Dimensions
| 1972 - 1975
Utility tractorUTB/Universal built |
|---|---|
1972 - 1975 | |
Utility tractor | |
UTB/Universal built | |
1972 - 1975 | |
|---|---|
Utility tractor | |
UTB/Universal built |
Long 550 Tires | |
|---|---|
Ag front | 7.50-16 |
Ag rear | 18.4-28 |
Ag rear | 14.9x28 |
16.9x28 | |
Dimensions | |
|---|---|
Wheelbase | 81.5 inches
207 cm |
Operating weight | 4570 lbs
2072 kg |
Ballasted weight | 9110 lbs
4132 kg |
Front tread | 52 to 79 inches
132 to 200 cm |
Rear tread | 47.25 to 74.7 inches
120 to 189 cm |
Tests
| 1972 - 1975
Utility tractorUTB/Universal built |
|---|---|
1972 - 1975 | |
Utility tractor | |
UTB/Universal built | |
1972 - 1975 | |
|---|---|
Utility tractor | |
UTB/Universal built |
Nebraska Tractor Test 1109 | |
|---|---|
Diesel 8-speed 2WD
September 21 - October 2, 1972
Link: Nebraska Tractor Test 1109 file | |
PTO performance | |
Power at rated engine speed | 53.61 hp
40.0 kW |
Fuel use | 3.6 gal/hour
13.6 l/hour |
Power at rated PTO speed | 47.66 hp
35.5 kW |
Fuel use | 3.2 gal/hour
12.1 l/hour |
Drawbar performance | |
Max power | 46.73 hp
34.8 kW |
Fuel use | 3.6 gal/hour
13.6 l/hour |
Gear 5 used for power test. | |
Max pull | 6,944 lbs
3149 kg |
Gear 2 used for pull test. | |
Photos
Long 550 tractor photo