Tractor · 1972Unverified
Long 550
Long 550 — Utility tractor · 54 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
54 hp
Max power
34.8 kW
Weight
2072 kg
Hover a source tag to verify
Overview
DistributorLongReference
ManufacturerUTB/UniversalReference
Utility tractorReference
Built in Brasov, RomaniaReference
Two-wheel driveReference
SteeringmanualReference
Steeringpower assistReference
Independent contracting band brakesReference
Open operator station.Reference
Engine
Uzina 3.1L 4-cyl dieselReference
Fuel tank53.9 LReference
Engine44.7 kWReference
Drawbar (claimed)34.8 kWReference
Drawbar (tested)34.8 kWReference
UzinaReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.1 LReference
Bore/Stroke95 x 110 mmReference
Power44.7 kWReference
Fuel systemdirect injectionReference
Compression17:1Reference
Rated RPM2400Reference
Starter volts12Reference
Oil capacity10.4 LReference
Coolant capacity13.9 LReference
Power at rated engine speed40.0 kWReference
Max power34.8 kWReference
Transmission
8-speed gearReference
TypegearReference
Gears8 forward and 2 reverseReference
Clutch279.4mm dry discReference
Oil capacity17.0 LReference
PTO & Hydraulics
PTO (claimed)40.0 kWReference
PTO (tested)40.0 kWReference
Typeopen centerReference
Pressure147.1 barReference
Pump flow21.8 lpmReference
Rear TypeII/IReference
Rear lift1206 kgReference
Rear PTO Type540 (1.375)Reference
Engine RPM540@1970Reference
Power at rated PTO speed35.5 kWReference
Dimensions
Wheelbase207 cmReference
Weight2072 kgReference
Front tire7.50-16Reference
Rear tire18.4-28Reference
Ag front7.50-16Reference
Ag rear18.4-28Reference
Ag rear14.9x28Reference
Ag rear16.9x28Reference
Operating weight2072 kgReference
Ballasted weight4132 kgReference
Front tread132 to 200 cmReference
Rear tread120 to 189 cmReference
Electrical
GroundnegativeReference
Battery volts12Reference
Test results
Diesel 8-speed 2WDSeptember 21 - October 2, 1972Link: Nebraska Tractor Test 1109 fileReference
PTO performanceReference
Fuel use13.6 l/hourReference
Fuel use12.1 l/hourReference
Drawbar performanceReference
Gear 5 used for power test.Reference
Max pull3149 kgReference
Gear 2 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.