Compare/UTB/Universal 642 vs UTB/Universal U-651M

UTB/Universal 642 vs UTB/Universal U-651M

Verdict: UTB/Universal 642 vs UTB/Universal U-651M

The UTB/Universal 642 and the UTB/Universal U-651M are both tractors — here is how they stack up on the figures that matter. UTB/Universal 642 leads on rated power with 68 hp against 65 hp. UTB/Universal 642 is the lighter machine (3,250 kg vs 3,660 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. UTB/Universal 642 is the newer design (1985 vs 1973). In short: choose the UTB/Universal 642 for outright pulling power, or the UTB/Universal U-651M 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

68 hp

65 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

UTB/UniversalReference

4-cylinderReference

With 14.00-38 rear tires.Reference

Final drives

—

spur gearReference

Differential lock

—

mechanical rearReference

Engine

50.7 kWReference

48.5 kWReference

Displacement

3.6 LReference

4.8 LReference

Bore/Stroke

102 x 110 mmReference

108 x 130 mmReference

Power

50.7 kWReference

48.5 kWReference

Rated RPM

2500Reference

1800Reference

Fuel system

—

direct injectionReference

Compression

—

17:1Reference

Torque

—

289.1 NmReference

Torque RPM

—

1250Reference

Firing order

—

1-3-4-2Reference

Starter

—

electricReference

Starter volts

—

12Reference

Transmission

Gears

8 forward and 2 reverseReference

10 forward and 2 reverseReference

PTO & Hydraulics

Pump flow

31.0 lpmReference

40.1 lpmReference

Rear PTO Type

540, 1000Reference

540 (1.375)Reference

Type

—

gearReference

Pressure

—

118.0 barReference

Rear Type

—

IIReference

Rear PTO

—

independentReference

Dimensions

Wheelbase

213 cmReference

240 cmReference

Weight

3250 kgReference

3660 kgReference

Front tire

9.5-24Reference

7.50-20Reference

Rear tire

16.9-28Reference

14-38Reference

Ag front

9.5-24Reference

7.50-20Reference

Ag rear

16.9-28Reference

14-38Reference

Length

340 cmReference

392 cmReference

Height

263 cmReference

—

Width

—

189 cmReference

Height (steering wheel)

—

189 cmReference

Height (cab)

—

262 cmReference

Variants

U-650M

—

2WDReference

U-651M

—

4WDReference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Charging amps

—

36Reference

Charging volts

—

12Reference

Battery volts

—

12Reference

Battery AH

—

53Reference

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.