Compare/UTB/Universal 640 vs UTB/Universal S640

UTB/Universal 640 vs UTB/Universal S640

Verdict: UTB/Universal 640 vs UTB/Universal S640

The UTB/Universal 640 and the UTB/Universal S640 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 62 hp. UTB/Universal S640 is the lighter machine (3,039 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 S640 holds more fuel (54.1 L vs 53.7 L) for longer stints between fills. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

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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Drive

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crawlerReference

Variants

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

standardReference

SM640

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wide-trackReference

U640

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wheeled tractorReference

Engine

Fuel tank

53.7 LReference

54.1 LReference

Engine

48.5 kWReference

Displacement

3.6 LReference

Bore/Stroke

102 x 110 mmReference

Power

48.5 kWReference

Fuel system

direct injectionReference

Compression

17:1Reference

Rated RPM

2400Reference

Torque

221.0 NmReference

Torque RPM

1400Reference

Starter volts

12Reference

Starter power

3.0 kWReference

Starter

—

electricReference

Transmission

Gears

8 forward and reverseReference

6 forward and 2 reverseReference

Clutch

dry discReference

254mm dry discsReference

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

Type

shuttleReference

constant meshReference

Valves

1Reference

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Pump flow

40.9 lpmReference

22.0 lpmReference

Rear Type

II/IReference

Control

position and draft controlReference

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Rear lift

2100 kgReference

1297 kgReference

Rear PTO

liveReference

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Rear PTO Type

540Reference

Pressure

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170.7 barReference

Engine RPM

—

540@1970Reference

Dimensions

2WD Wheelbase

209 cmReference

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4WD Wheelbase

198 cmReference

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Weight

4400 to 5100 poundsReference

3039 kgReference

Front tire

6.00x16Reference

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Rear tire

14.9x28 (2WD)Reference

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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

—

152 cmReference

Length

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314 cmReference

UTB/Universal 640 attachments

Electrical

Ground

negativeReference

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Charging system

alternatorReference

Battery volts

12Reference

Speeds

UTB/Universal S640 attachments

UTB/Universal S640 Tracks

S640 width

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30 cmReference

SM640 width

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36 cmReference

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.