Tractor · 1988Unverified
UTB/Universal 643
UTB/Universal 643 — 3 Series · 58 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
58 hp
Weight
6192 to 6889 pounds
Hover a source tag to verify
Overview
ManufacturerUTB/UniversalReference
Utility tractorReference
Built in Brasov, RomaniaReference
Original price$25,000 (2004)Reference
Two- or four-wheel driveReference
Differential lockmechanical rearReference
Power steeringReference
Wet disc brakesReference
Variants
643DT4WDReference
Engine
UTB 3.6L 4-cyl dieselReference
3.2L 4-cyl dieselReference
Fuel tank62.1 LReference
Engine47.7 kWReference
UTB D121.050Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.6 LReference
Bore/Stroke102 x 110 mmReference
Power47.7 kWReference
Fuel systemdirect injectionReference
Air cleaneroil bathReference
Compression17:1Reference
Rated RPM2400Reference
Torque206.1 NmReference
Torque RPM1400Reference
Starter volts12Reference
Starter power3.5 kWReference
Oil capacity10.0 LReference
Coolant capacity14.0 LReference
Displacement3.2 LReference
Transmission
8-speed constant meshReference
12-speed creeperReference
8-speed shuttleReference
Typeconstant meshReference
Gears8 forward and 2 reverseReference
Clutchdry discReference
Oil capacity23.0 LReference
Four gears (1-4) plus reverse (R) in two ranges (low and high).Reference
TypecreeperReference
Gears12 forward and 3 reverseReference
Optional creeper adds a third range to the basic transmission.Reference
TypeshuttleReference
Gears8 forward and reverseReference
PTO & Hydraulics
PTO (claimed)43.3 kWReference
Typeopen centerReference
Pressure150.0 barReference
Valves1Reference
Pump flow34.1 lpmReference
Rear TypeIIReference
Controlposition and draft controlReference
Rear lift2100 kgReference
Rear PTOindependentReference
Rear PTO Type540/1000Reference
Engine RPM540@2160Reference
Engine RPM1000@2400Reference
Dimensions
Wheelbase227 cmReference
Weight6192 to 6889 poundsReference
Front tire6.00-16Reference
2WD Rear tire14.9R-28Reference
2WD Standard tires (ag)Front: 6.00-16. Rear: 14.9R-28Reference
4WD Standard tires (ag)Front: 9.5/8-24. Rear: 12.4R-36Reference
Length378 cmReference
Height255 cmReference
2WD Weight2808 kgReference
4WD Weight3124 kgReference
2WD Front tread139 to 199 cmReference
4WD Front tread137 to 157 cmReference
Rear tread140 to 191 cmReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Battery volts12Reference
Battery AH150Reference
Speeds
With 16.9-30 rear tires.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.