Compare/International Harvester 634 vs International Harvester 650

International Harvester 634 vs International Harvester 650

Verdict: International Harvester 634 vs International Harvester 650

The International Harvester 634 and the International Harvester 650 are both tractors — here is how they stack up on the figures that matter. International Harvester 634 leads on rated power with 59 hp against 57 hp. International Harvester 634 is the lighter machine (6,546 kg vs 6,712 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 634 is the newer design (1968 vs 1956). In short: choose the International Harvester 634 for outright pulling power, or the International Harvester 650 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

International Harvester

Fit score

Best match

Clear

Rated power

59 hp

57 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

LP gas 5-speed 2WDMay 21 - 27, 1957Link: Nebraska Tractor Test 621 fileReference

Total built

3,848Reference

4,933Reference

Drive

4x4 4WDReference

—

2WD Steering

manualReference

—

4WD Steering

powerReference

—

Original price

—

$4,400 (1958)Reference

Steering

—

power assistReference

Engine

Fuel tank

77.2 LReference

—

Engine

49.2 kWReference

—

Displacement

4.6 LReference

5.7 LReference

Bore/Stroke

105 x 133 mmReference

114 x 140 mmReference

Power

49.2 kWReference

—

Rated RPM

1600Reference

1500Reference

Torque

305.1 NmReference

—

Torque RPM

1000Reference

—

Starter volts

12Reference

Drawbar (claimed)

—

33.6 kWReference

Drawbar (tested)

—

43.4 kWReference

Belt (tested)

—

47.7 kWReference

Air cleaner

—

oil bathReference

Compression

—

8.25:1Reference

Belt power (max)

—

47.7 kWReference

Max power

—

43.4 kWReference

Transmission

Gears

8 forward and 2 reverseReference

5 forward and 1 reverseReference

Clutch

330mm dry discReference

—

PTO & Hydraulics

PTO (claimed)

44.2 kWReference

42.5 kWReference

Pressure

172.4 barReference

—

Pump flow

39.4 lpmReference

—

Steering flow

18.2 lpmReference

—

Steering press.

103.4 barReference

—

Rear Type

IIReference

—

Control

position and draft controlReference

—

Rear lift

1524 kgReference

—

Rear PTO

independentReference

transmissionReference

Rear PTO Type

540 (1.375)Reference

540Reference

Engine RPM

540@1458Reference

—

Type

—

sliding gearReference

Valves

—

1Reference

Dimensions

2WD Wheelbase

220 cmReference

—

4WD Wheelbase

220 cmReference

—

AWD Wheelbase

190 cmReference

—

Weight

6546 to 9574 poundsReference

6712 to 7319 poundsReference

Front tire

7.50-16Reference

7.50-18Reference

2WD Rear tire

11-38Reference

—

2WD Standard tires (ag)

Front: 7.50-16. Rear: 11-38Reference

—

4WD Standard tires (ag)

Front: 10-24. Rear: 12-38Reference

—

AWD Standard tires (ag)

Front: 14-30. Rear: 14-30Reference

—

2WD Length

350 cmReference

—

4WD Length

353 cmReference

—

AWD Length

381 cmReference

—

Width

166 cmReference

193 cmReference

Height (cab)

243 cmReference

—

2WD Front tread

132 to 154 cmReference

—

4WD Front tread

134 to 167 cmReference

—

AWD Front tread

152 to 203 cmReference

—

2WD Rear tread

142 to 182 cmReference

—

4WD Rear tread

142 to 182 cmReference

—

AWD Rear tread

152 to 203 cmReference

—

2WD Operating

2969 kgReference

—

4WD Operating

3489 kgReference

—

AWD Operating

4342 kgReference

—

Rear tire

—

14-34Reference

Ag front

—

7.50-18Reference

Ag rear

—

14-34Reference

Length

—

342 cmReference

Height

—

223 cmReference

Shipping

—

3044 kgReference

Operating

—

3319 kgReference

Ballasted

—

5722 kgReference

Electrical

Charging system

generatorReference

—

Battery volts

12Reference

—

Battery AH

95Reference

—

650 Serial Number Location

650 Serial Numbers

1956

—

501Reference

1957

—

688Reference

1958

—

11659Reference

Test results

Belt fuel use (max)

—

27.6 l/hourReference

Max pull

—

4022 kgReference

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.