Compare/International Harvester 986 vs International Harvester Hydro 100

International Harvester 986 vs International Harvester Hydro 100

Verdict: International Harvester 986 vs International Harvester Hydro 100

The International Harvester 986 and the International Harvester Hydro 100 are both tractors — here is how they stack up on the figures that matter. International Harvester 986 leads on rated power with 106 hp against 104 hp. International Harvester 986 is the lighter machine (10,500 kg vs 11,470 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 986 is the newer design (1976 vs 1973). In short: choose the International Harvester 986 for outright pulling power, or the International Harvester Hydro 100 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

106 hp

104 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

18.4-34 rear tires.Reference

Gear 2.85 MPH used for pull test.Reference

Total built

20,554Reference

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Original price

$31,100 (1981)Reference

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Final drives

bull gearReference

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Steering

power assistReference

—

Differential lock

—

mechanical rearReference

Variants

986 Hi-Clear

high clearanceReference

—

Engine

Drawbar (claimed)

68.6 kWReference

59.7 kWReference

Drawbar (tested)

67.2 kWReference

58.4 kWReference

Displacement

7.1 LReference

Bore/Stroke

109 x 127 mmReference

Air cleaner

dual dry elementReference

dual stage dryReference

Rated RPM

2400Reference

Coolant capacity

24.6 LReference

Oil capacity

85.2 LReference

102.2 LReference

Power at rated engine speed

78.8 kWReference

77.7 kWReference

Max power

67.2 kWReference

58.4 kWReference

Compression

—

15.8:1Reference

Idle RPM

—

900-2400Reference

Starter volts

—

12Reference

Transmission

Torque AmplifierReference

—

Gears

16 forward and 8 reverseReference

infinite forward and reverse (2-range)Reference

Oil type

IH Hy-Tran/B-6Reference

—

PTO & Hydraulics

PTO (claimed)

78.3 kWReference

77.6 kWReference

PTO (tested)

78.8 kWReference

77.7 kWReference

Hydraulic system

85.2 LReference

102.2 LReference

Type

two-speed power shiftReference

hydrostaticReference

Capacity

85.2 LReference

102.2 LReference

Valves

2Reference

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Rear Type

IIReference

Rear lift (at 24"/610mm)

2612 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

Engine RPM

1000@2100Reference

1000@2072Reference

Power at rated PTO speed

78.8 kWReference

75.5 kWReference

Rear valves

—

2Reference

Pump flow

—

45.4 lpmReference

Control

—

lower-link draft sensingReference

Capacities

Fuel

83.3 LReference

159.0 LReference

Dimensions

Wheelbase

269 cmReference

266 cmReference

Weight

10500 to 13030 poundsReference

11470 to 12130 poundsReference

Front tire

10.00-16Reference

Rear tire

18.4-38Reference

18.4-34Reference

Ag front

10.00-16Reference

Ag rear

18.4-38Reference

18.4-34Reference

Length

429 cmReference

426 cmReference

Width

259 cmReference

Height (cab)

317 cmReference

289 cmReference

Ground clearance

66 cmReference

—

Bar rear axle

82 mmReference

Shipping

5601 kgReference

—

Operating

5910 kgReference

—

Height (exhaust)

—

274 cmReference

Shipping weight

—

5202 kgReference

Operating weight

—

5502 kgReference

Clearance (drawbar)

—

35 cmReference

Front tread

—

152 to 213 cmReference

Rear tread

—

167 to 325 cmReference

986 Serial Number Location

986 Serial Numbers

1976

8601Reference

12434Reference

1977

11145Reference

—

1978

15624Reference

—

1979

19288Reference

—

1980

22696Reference

—

1981

25220Reference

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Electrical

Ground

negativeReference

—

Charging system

alternatorReference

Charging amps

61 (with cab)Reference

72Reference

Batteries

2Reference

—

Battery CCA

470Reference

—

Battery volts

12Reference

—

Test results

Fuel use

26.9 l/hourReference

25.7 l/hourReference

Max pull

5523 kgReference

4445 kgReference

Speeds

Hydro 100 Serial Numbers

1973

—

7501Reference

1974

—

7727Reference

1975

—

10915Reference

Location:

—

Serial number plate on the left side of the transmission housing.Reference

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.