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Tractor · 1988Unverified

UTB/Universal 643

Name: UTB/Universal 643
Brand: UTB/Universal

UTB/Universal 643 — 3 Series · 58 hp. Reference specifications; pending source verification.

The UTB/Universal 643 is a tractor with a rated power of 58 hp, positioning it within the lighter end of its class. It was manufactured from 1988 to 2004 and is equipped with a 4-cylinder diesel liquid-cooled engine. This model features four-wheel drive and an 8-speed gearbox, with an operating weight ranging from 6192 to 6889 pounds. It is suitable for operations covering up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

74 rows

Recorded power

58 hp

Recorded weight

2808 kg

Transmissions

8-speed constant mesh

Production years

1988-2004

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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