Compare/International Harvester 634 vs International Harvester BTD-8

International Harvester 634 vs International Harvester BTD-8

Verdict: International Harvester 634 vs International Harvester BTD-8

The International Harvester 634 and the International Harvester BTD-8 are both tractors — here is how they stack up on the figures that matter. International Harvester BTD-8 leads on rated power with 60 hp against 59 hp. International Harvester BTD-8 is the lighter machine (4,808 kg vs 6,546 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester BTD-8 holds more fuel (123.0 L vs 77.2 L) for longer stints between fills. International Harvester 634 is the newer design (1968 vs 1960). In short: choose the International Harvester BTD-8 for outright pulling power, or the International Harvester 634 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

60 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

Optional high-speed reverse transmission.Reference

Total built

3,848Reference

3292Reference

Drive

4x4 4WDReference

crawlerReference

2WD Steering

manualReference

—

4WD Steering

powerReference

—

Final drives

—

bull gearReference

Engine

Fuel tank

77.2 LReference

123.0 LReference

Engine

49.2 kWReference

—

Displacement

4.6 LReference

Bore/Stroke

105 x 133 mmReference

Power

49.2 kWReference

—

Rated RPM

1600Reference

Torque

305.1 NmReference

298.3 NmReference

Torque RPM

1000Reference

1100Reference

Starter volts

12Reference

Engine (net)

—

44.7 kWReference

Drawbar (claimed)

—

38.9 kWReference

Belt (claimed)

—

42.1 kWReference

Power (net)

—

44.7 kWReference

Starter

—

electricReference

Oil capacity

—

18.2 LReference

Coolant capacity

—

24.4 LReference

Transmission

Gears

8 forward and 2 reverseReference

4 forward and 2 reverseReference

Clutch

330mm dry discReference

330mm dry dsicReference

Type

—

gearReference

PTO & Hydraulics

PTO (claimed)

44.2 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

—

Rear PTO Type

540 (1.375)Reference

—

Engine RPM

540@1458Reference

—

Dimensions

2WD Wheelbase

220 cmReference

—

4WD Wheelbase

220 cmReference

—

AWD Wheelbase

190 cmReference

—

Weight

6546 to 9574 poundsReference

4808 kgReference

Front tire

7.50-16Reference

—

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

162 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

—

Length

—

274 cmReference

Height

—

175 cmReference

Operating weight

—

4808 kgReference

Gauge

—

127 cmReference

Electrical

Charging system

generatorReference

—

Battery volts

12Reference

—

Battery AH

95Reference

—

BTD-8 Serial Numbers

1960

—

501Reference

1961

—

604Reference

1962

—

1083Reference

1963

—

1701Reference

1964

—

2321Reference

1965

—

2863Reference

1966

—

3637Reference

Final

—

3793Reference

International Harvester BTD-8 Tracks

Length on ground

—

161 cmReference

Area on ground

—

1.3 m²Reference

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.