Long 550: all source data
All 56 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Distributor | Long |
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| Manufacturer | UTB/Universal |
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| (no label) | Utility tractor |
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| (no label) | Built in Brasov, Romania |
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Engine| (no label) | Uzina 3.1L 4-cyl diesel |
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| Fuel tank | 14.25 gal | 53.9 L |
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Transmission| (no label) | 8-speed gear |
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Power| Engine | 60 hp | 44.7 kW |
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| Drawbar (claimed) | 46.7 hp | 34.8 kW |
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| PTO (claimed) | 53.7 hp | 40.0 kW |
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| Drawbar (tested) | 46.73 hp | 34.8 kW |
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| PTO (tested) | 53.61 hp | 40.0 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| Steering | power assist |
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| (no label) | Independent contracting band brakes |
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| (no label) | Open operator station. |
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Hydraulics| Type | open center |
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| Pressure | 2133 psi | 147.1 bar |
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| Pump flow | 5.75 gpm | 21.8 lpm |
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Hitch| Rear Type | II/I |
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| Rear lift | 2660 lbs | 1206 kg |
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Pto| Rear PTO Type | 540 (1.375) |
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| Engine RPM | 540@1970 |
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Dimensions| Wheelbase | 81.5 inches | 207 cm |
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| Weight | 4570 lbs | 2072 kg |
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| Front tire | 7.50-16 |
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| Rear tire | 18.4-28 |
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Electrical| Ground | negative |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Uzina |
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| (no label) | diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 190.7 ci | 3.1 L |
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| Bore/Stroke | 3.74x4.33 inches | 95 x 110 mm |
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| Power | 60 hp | 44.7 kW |
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| Fuel system | direct injection |
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| Compression | 17:1 |
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| Rated RPM | 2400 |
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| Starter volts | 12 |
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| Oil capacity | 11 qts | 10.4 L |
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| Coolant capacity (Coolant) | 14.7 qts | 13.9 L |
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Transmission
Transmission| Type | gear |
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| Gears | 8 forward and 2 reverse |
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| Clutch | 279.4mm dry disc |
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| Oil capacity | 18 qts | 17.0 L |
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Dimensions
Tires| Ag front | 7.50-16 |
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| Ag rear | 18.4-28 |
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| Ag rear | 14.9x28 |
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| Ag rear | 16.9x28 |
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Dimensions| Wheelbase | 81.5 inches | 207 cm |
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| Operating weight | 4570 lbs | 2072 kg |
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| Ballasted weight | 9110 lbs | 4132 kg |
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| Front tread | 52 to 79 inches | 132 to 200 cm |
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| Rear tread | 47.25 to 74.7 inches | 120 to 189 cm |
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