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UTB/Universal 523 vs UTB/Universal 643
Verdict: UTB/Universal 523 vs UTB/Universal 643
The UTB/Universal 523 and the UTB/Universal 643 are both tractors — here is how they stack up on the figures that matter. UTB/Universal 643 leads on rated power with 58 hp against 52 hp. In short: choose the UTB/Universal 643 for outright pulling power, or the UTB/Universal 523 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
UTB/Universal
62
Fit score
Best match
Clear
UTB/Universal
62
Fit score
Best match
Clear
Rated power
52 hp
58 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
UTB/UniversalReference
UTB/UniversalReference
liquid-cooledReference
Optional creeper adds a third range to the basic transmission.Reference
Original price
—
$25,000 (2004)Reference
Differential lock
—
mechanical rearReference
Engine
Engine
38.8 kWReference
47.7 kWReference
Displacement
2.8 LReference
3.2 LReference
Bore/Stroke
102 x 115 mmReference
102 x 110 mmReference
Power
38.8 kWReference
47.7 kWReference
Rated RPM
2400Reference
2400Reference
Starter volts
12Reference
12Reference
Fuel tank
—
62.1 LReference
Fuel system
—
direct injectionReference
Air cleaner
—
oil bathReference
Compression
—
17:1Reference
Torque
—
206.1 NmReference
Torque RPM
—
1400Reference
Starter power
—
3.5 kWReference
Oil capacity
—
23.0 LReference
Coolant capacity
—
14.0 LReference
Transmission
Gears
8 forward and reverseReference
8 forward and reverseReference
Transmission
shuttleReference
—
Clutch
—
dry discReference
PTO & Hydraulics
Pump flow
34.0 lpmReference
34.1 lpmReference
Rear Type
IIReference
IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000 (1.375)Reference
540/1000Reference
PTO (claimed)
—
43.3 kWReference
Type
—
shuttleReference
Pressure
—
150.0 barReference
Valves
—
1Reference
Control
—
position and draft controlReference
Rear lift
—
2100 kgReference
Engine RPM
—
1000@2400Reference
Dimensions
Front tire
7.50-20Reference
6.00-16Reference
Rear tire
14.9R28Reference
—
Ag front
7.50-20Reference
—
Ag rear
14.9R28Reference
—
Wheelbase
—
227 cmReference
Weight
—
6192 to 6889 poundsReference
2WD Rear tire
—
14.9R-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
Length
—
378 cmReference
Height
—
255 cmReference
2WD Weight
—
2808 kgReference
4WD Weight
—
3124 kgReference
2WD Front tread
—
139 to 199 cmReference
4WD Front tread
—
137 to 157 cmReference
Rear tread
—
140 to 191 cmReference
Variants
643DT
—
4WDReference
Electrical
Ground
—
negativeReference
Charging system
—
alternatorReference
Battery volts
—
12Reference
Battery AH
—
150Reference
Speeds
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.