Compare/International Harvester Hydro 100 vs International Harvester Hydro 186

International Harvester Hydro 100 vs International Harvester Hydro 186

Verdict: International Harvester Hydro 100 vs International Harvester Hydro 186

The International Harvester Hydro 100 and the International Harvester Hydro 186 are both tractors — here is how they stack up on the figures that matter. International Harvester Hydro 186 leads on rated power with 105 hp against 104 hp. International Harvester Hydro 100 is the lighter machine (11,470 kg vs 11,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester Hydro 186 is the newer design (1976 vs 1973). In short: choose the International Harvester Hydro 186 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

104 hp

105 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

Gear 2.85 MPH used for pull test.Reference

18.4-34 rear tires.Reference

Differential lock

mechanical rearReference

—

Original price

—

$33,900 (1981)Reference

Final drives

—

bull gearReference

Steering

—

power assistReference

Engine

Drawbar (claimed)

59.7 kWReference

61.1 kWReference

Drawbar (tested)

58.4 kWReference

59.5 kWReference

Displacement

7.1 LReference

Bore/Stroke

109 x 127 mmReference

Air cleaner

dual stage dryReference

dual dry elementReference

Compression

15.8:1Reference

—

Rated RPM

2400Reference

Idle RPM

900-2400Reference

—

Starter volts

12Reference

—

Oil capacity

102.2 LReference

107.9 LReference

Coolant capacity

24.6 LReference

Power at rated engine speed

77.7 kWReference

78.3 kWReference

Max power

58.4 kWReference

59.5 kWReference

Transmission

Gears

infinite forward and reverse (2-range)Reference

variable, two-range forward and reverseReference

Transmission

—

hydrostaticReference

Oil type

—

IH Hy-Tran/B-6Reference

PTO & Hydraulics

PTO (claimed)

77.6 kWReference

PTO (tested)

77.7 kWReference

78.3 kWReference

Hydraulic system

102.2 LReference

107.9 LReference

Type

hydrostaticReference

closed centerReference

Capacity

102.2 LReference

107.9 LReference

Rear valves

2Reference

—

Pump flow

45.4 lpmReference

Rear Type

IIReference

Control

lower-link draft sensingReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

Engine RPM

1000@2072Reference

1000@2100Reference

Power at rated PTO speed

75.5 kWReference

74.8 kWReference

Valves

—

2Reference

Rear lift (at 24"/610mm)

—

3020 kgReference

Capacities

Fuel

159.0 LReference

83.3 LReference

Dimensions

Wheelbase

266 cmReference

269 cmReference

Weight

11470 to 12130 poundsReference

11500 to 13135 poundsReference

Front tire

10.00-16Reference

Rear tire

18.4-34Reference

Ag front

10.00-16Reference

Ag rear

18.4-34Reference

Length

426 cmReference

—

Width

259 cmReference

248 cmReference

Height (cab)

289 cmReference

317 cmReference

Height (exhaust)

274 cmReference

—

Shipping weight

5202 kgReference

—

Operating weight

5502 kgReference

—

Clearance (drawbar)

35 cmReference

—

Bar rear axle

82 mmReference

Front tread

152 to 213 cmReference

—

Rear tread

167 to 325 cmReference

—

2WD Length

—

424 cmReference

4WD Length

—

429 cmReference

Ground clearance

—

66 cmReference

Shipping

—

5601 kgReference

Operating

—

5958 kgReference

Hydro 100 Serial Numbers

1973

7501Reference

—

1974

7727Reference

—

1975

10915Reference

—

1976

12434Reference

8601Reference

Location:

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

Rear axle.Reference

Electrical

Charging system

alternatorReference

Charging amps

72Reference

61 (with cab)Reference

Ground

—

negativeReference

Batteries

—

2Reference

Battery CCA

—

470Reference

Battery volts

—

12Reference

Test results

Fuel use

25.7 l/hourReference

27.6 l/hourReference

Max pull

4445 kgReference

5131 kgReference

Variants

Hydro 186 Hi-Clear

—

high clearanceReference

Hydro 186 Serial Numbers

1977

—

8813Reference

1978

—

9806Reference

1979

—

10626Reference

1980

—

11465Reference

1981

—

12279Reference

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.