Compare/UTB/Universal 640 vs UTB/Universal 650

UTB/Universal 640 vs UTB/Universal 650

Verdict: UTB/Universal 640 vs UTB/Universal 650

The UTB/Universal 640 and the UTB/Universal 650 are both tractors — here is how they stack up on the figures that matter. UTB/Universal 650 leads on rated power with 65 hp against 62 hp. UTB/Universal 650 is the lighter machine (3,999 kg vs 4,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. UTB/Universal 650 holds more fuel (98.0 L vs 53.7 L) for longer stints between fills. UTB/Universal 640 is the newer design (1983 vs 1963). In short: choose the UTB/Universal 650 for outright pulling power, or the UTB/Universal 640 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

UTB/Universal

Fit score

Best match

Clear

UTB/Universal

Fit score

Best match

Clear

Rated power

62 hp

65 hp

Confidence

40%

Guide price

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Overview

Manufacturer

UTB/UniversalReference

With 14.9x28 rear tires. Reverse speeds are 15% faster than forward.Reference

liquid-cooledReference

Original price

$20,000 (1985)Reference

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Differential lock

mechanical rearReference

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Steering

hydrostatic powerReference

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Variants

650

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2WDReference

651

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4WDReference

U-640

2WDReference

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U-640DTC

4WDReference

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U-640SD

2WD shuttleReference

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U-640DTC-SD

4WD shuttleReference

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U-640DTCE

4WD equal-size wheelsReference

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U-640L

high-clearanceReference

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S640

crawlerReference

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Engine

Fuel tank

53.7 LReference

98.0 LReference

Engine

48.5 kWReference

Displacement

3.6 LReference

4.8 LReference

Bore/Stroke

102 x 110 mmReference

108 x 130 mmReference

Power

48.5 kWReference

Fuel system

direct injectionReference

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Compression

17:1Reference

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Rated RPM

2400Reference

1800Reference

Torque

221.0 NmReference

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Torque RPM

1400Reference

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Starter volts

12Reference

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Starter power

3.0 kWReference

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Transmission

Gears

8 forward and reverseReference

10 forward and 2 reverseReference

Clutch

dry discReference

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PTO & Hydraulics

PTO (claimed)

46.2 kWReference

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Type

shuttleReference

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Valves

1Reference

2Reference

Pump flow

40.9 lpmReference

41.0 lpmReference

Rear Type

II/IReference

IIReference

Control

position and draft controlReference

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Rear lift

2100 kgReference

1631 kgReference

Rear PTO

liveReference

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Rear PTO Type

540Reference

Dimensions

2WD Wheelbase

209 cmReference

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4WD Wheelbase

198 cmReference

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Weight

4400 to 5100 poundsReference

3999 kgReference

Front tire

6.00x16Reference

9.50R24Reference

Rear tire

14.9x28 (2WD)Reference

18.4R30Reference

Standard tires (ag)

Front: 6.00x16. Rear: 9.50x36 (640L)Reference

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Optional tires (ag)

Front: 7.50x16. Rear: 11.2x38 (640L)Reference

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2WD Weight

1995 kgReference

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4WD Weight

2313 kgReference

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Wheelbase

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243 cmReference

Ag front

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9.50R24Reference

Ag rear

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18.4R30Reference

Length

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414 cmReference

Width

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199 cmReference

Height

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260 cmReference

UTB/Universal 640 attachments

Electrical

Ground

negativeReference

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Charging system

alternatorReference

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Battery volts

12Reference

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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.