Compare/International Harvester 634 vs International Harvester Hydro 84

International Harvester 634 vs International Harvester Hydro 84

Verdict: International Harvester 634 vs International Harvester Hydro 84

The International Harvester 634 and the International Harvester Hydro 84 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 59 hp. International Harvester Hydro 84 is the lighter machine (5,620 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 Hydro 84 is the newer design (1978 vs 1968). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

With 16.9-30 rear tires.Reference

Total built

3,848Reference

—

Drive

4x4 4WDReference

—

2WD Steering

manualReference

—

4WD Steering

powerReference

—

Engine

Fuel tank

77.2 LReference

—

Engine

49.2 kWReference

—

Displacement

4.6 LReference

4.0 LReference

Bore/Stroke

105 x 133 mmReference

100 x 129 mmReference

Power

49.2 kWReference

—

Rated RPM

1600Reference

2400Reference

Torque

305.1 NmReference

—

Torque RPM

1000Reference

—

Starter volts

12Reference

Drawbar (claimed)

—

32.5 kWReference

Drawbar (tested)

—

32.0 kWReference

Air cleaner

—

dryReference

Compression

—

15.5:1Reference

Oil capacity

—

62.5 LReference

Coolant capacity

—

13.6 LReference

Power at rated engine speed

—

43.8 kWReference

Max power

—

32.0 kWReference

Transmission

Gears

8 forward and 2 reverseReference

infinite forward and reverse (2-range)Reference

Clutch

330mm dry discReference

hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)

44.2 kWReference

43.8 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

540Reference

Engine RPM

540@1458Reference

—

PTO (tested)

—

43.8 kWReference

Hydraulic system

—

62.5 LReference

Type

—

hydrostaticReference

Capacity

—

62.5 LReference

Valves

—

1 or 2Reference

Total flow

—

58.3 lpmReference

Power at rated PTO speed

—

42.3 kWReference

Dimensions

2WD Wheelbase

220 cmReference

—

4WD Wheelbase

220 cmReference

216 cmReference

AWD Wheelbase

190 cmReference

—

Weight

6546 to 9574 poundsReference

5620 to 6765 poundsReference

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

373 cmReference

AWD Length

381 cmReference

—

Width

166 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

—

Utility Wheelbase

—

223 cmReference

Row-crop Wheelbase

—

214 cmReference

Low-profile Wheelbase

—

212 cmReference

Rear tire

—

16.9-30Reference

Ag front

—

7.50-16Reference

Ag rear

—

16.9-30Reference

Utility Length

—

360 cmReference

Row-crop Length

—

353 cmReference

Low-profile Length

—

360 cmReference

Utility Width

—

187 cmReference

Row-crop Width

—

190 cmReference

4WD Width

—

187 cmReference

Low-profile Width

—

199 cmReference

Utility Ground clearance

—

45 cmReference

Row-crop Ground clearance

—

45 cmReference

4WD Ground clearance

—

45 cmReference

Low-profile Ground clearance

—

27 cmReference

Utility Shipping

—

2594 kgReference

Row-crop Shipping

—

2707 kgReference

4WD Shipping

—

3068 kgReference

Low-profile Shipping

—

2549 kgReference

Utility Steering wheel

—

160 cmReference

Row-crop Steering wheel

—

160 cmReference

4WD Steering wheel

—

160 cmReference

Low-profile Steering wheel

—

143 cmReference

Electrical

Charging system

generatorReference

—

Battery volts

12Reference

Battery AH

95Reference

—

Ground

—

negativeReference

Capacities

Fuel

—

75.7 LReference

Hydro 84 Serial Numbers

1978

—

501Reference

1979

—

787Reference

1980

—

1481Reference

1981

—

5564Reference

1982

—

6014Reference

1983

—

8069Reference

Location:

—

Serial number plate on the right side of the frame, above the front axle.Reference

International Harvester Hydro 84 Height

ROPS

—

254 cmReference

Test results

Fuel use

—

15.9 l/hourReference

Max pull

—

2981 kgReference

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.