UTB/Universal 643: all source data
All 82 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| 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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| Original price | $25,000 (2004) |
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Engine| (no label) | UTB 3.6L 4-cyl diesel |
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| (no label) | 3.2L 4-cyl diesel |
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| Fuel tank | 16.4 gal | 62.1 L |
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Transmission| (no label) | 8-speed constant mesh |
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| (no label) | 12-speed creeper |
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| (no label) | 8-speed shuttle |
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Power| Engine | 64 hp | 47.7 kW |
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| PTO (claimed) | 58 hp | 43.3 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Differential lock | mechanical rear |
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| (no label) | Power steering |
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| (no label) | Wet disc brakes |
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Hydraulics| Type | open center |
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| Pressure | 2175 psi | 150.0 bar |
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| Valves | 1 |
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| Pump flow | 9 gpm | 34.1 lpm |
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Hitch| Rear Type | II |
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| Control | position and draft control |
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| Rear lift | 4630 lbs | 2100 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540/1000 |
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| Engine RPM | 540@2160 |
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| Engine RPM | 1000@2400 |
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Dimensions| Wheelbase | 89.4 inches | 227 cm |
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| Weight | 6192 to 6889 pounds |
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| Front tire | 6.00-16 |
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| 2WD Rear tire (2WD) | 14.9R-28 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Battery volts | 12 |
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| Battery AH | 150 |
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Engine
Engine options| (no label) | UTB 3.6L 4-cyl diesel |
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| (no label) | 3.2L 4-cyl diesel |
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Engine detail| (no label) | UTB D-121.050 |
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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 | 219.4 ci | 3.6 L |
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| Bore/Stroke | 4.02x4.33 inches | 102 x 110 mm |
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| Power | 64 hp | 47.7 kW |
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| Fuel system | direct injection |
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| Air cleaner | oil bath |
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| Compression | 17:1 |
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| Rated RPM | 2400 |
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| Torque | 152 lb-ft | 206.1 Nm |
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| Torque RPM | 1400 |
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| Starter volts | 12 |
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| Starter power | 4.7 hp | 3.5 kW |
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| Oil capacity | 10.6 qts | 10.0 L |
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| Coolant capacity (Coolant) | 14.8 qts | 14.0 L |
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| (no label) | diesel |
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| (no label) | 4-cylinder |
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| Displacement | 196.9 ci | 3.2 L |
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| Rated RPM | 2400 |
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Transmission
Transmission options| (no label) | 8-speed constant mesh |
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| (no label) | 12-speed creeper |
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| (no label) | 8-speed shuttle |
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Transmission| Type | constant mesh |
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| Gears | 8 forward and 2 reverse |
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| Clutch | dry disc |
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| Oil capacity | 24.3 qts | 23.0 L |
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| (no label) | Four gears (1-4) plus reverse (R) in two ranges (low and high). |
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| Type | creeper |
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| Gears | 12 forward and 3 reverse |
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| Clutch | dry disc |
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| (no label) | Optional creeper adds a third range to the basic transmission. |
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| Type | shuttle |
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| Gears | 8 forward and reverse |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 6.00-16. Rear: 14.9R-28 |
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| 4WD Standard tires (ag) (4WD) | Front: 9.5/8-24. Rear: 12.4R-36 |
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Dimensions| Wheelbase | 89.4 inches | 227 cm |
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| Length | 149.2 inches | 378 cm |
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| Height | 100.4 inches | 255 cm |
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| 2WD Weight (2WD) | 6192 lbs | 2808 kg |
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| 4WD Weight (4WD) | 6889 lbs | 3124 kg |
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| 2WD Front tread | 55.1 to 78.4 inches | 139 to 199 cm |
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| 4WD Front tread | 54.3 to 62.2 inches | 137 to 157 cm |
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| Rear tread | 55.5 to 75.2 inches | 140 to 191 cm |
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