Compare/International Harvester 743 vs International Harvester Hydro 86

International Harvester 743 vs International Harvester Hydro 86

Verdict: International Harvester 743 vs International Harvester Hydro 86

The International Harvester 743 and the International Harvester Hydro 86 are both tractors — here is how they stack up on the figures that matter. International Harvester 743 leads on rated power with 72 hp against 70 hp. International Harvester Hydro 86 is the lighter machine (3,719 kg vs 6,349 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 743 is the newer design (1981 vs 1976). In short: choose the International Harvester 743 for outright pulling power, or the International Harvester Hydro 86 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

72 hp

70 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

Four gears in each of two ranges, plus reverse range.Reference

Pull at 3.3 KPHReference

Final drives

planetaryReference

—

Differential lock

mechanical rearReference

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Engine

Fuel tank

106.0 LReference

—

Engine (gross)

54.0 kWReference

—

Engine (net)

49.0 kWReference

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Displacement

3.9 LReference

5.1 LReference

Bore/Stroke

98 x 129 mmReference

98 x 111 mmReference

Rated Power (net)

49.0 kWReference

—

Power (gross)

54.0 kWReference

—

Rated RPM

2300Reference

2400Reference

Starter

electricReference

—

Starter volts

12Reference

Drawbar (claimed)

—

39.8 kWReference

Drawbar (tested)

—

40.2 kWReference

Air cleaner

—

dryReference

Compression

—

15.1:1Reference

Power at rated engine speed

—

52.9 kWReference

Max power

—

39.1 kWReference

Transmission

SynchronReference

—

Type

partially synchronizedReference

hydrostaticReference

Gears

16 forward and 8 reverseReference

variable forward and reverse (2-range)Reference

Clutch

280mm dry discReference

—

PTO & Hydraulics

PTO (claimed)

46.0 kWReference

51.8 kWReference

Pump flow

29.9 lpmReference

45.4 lpmReference

Rear Type

IIReference

Rear lift

3099 kgReference

—

Rear PTO Type

540/1000 (1.375)Reference

540 (1.375)Reference

PTO (tested)

—

52.9 kWReference

Valves

—

1Reference

Rear PTO

—

independentReference

Power at rated PTO speed

—

49.7 kWReference

Dimensions

Wheelbase

223 cmReference

—

Weight

6349 to 7738 poundsReference

3719 kgReference

Front tire

7.50-16Reference

2WD Rear tire

16.9/14-30Reference

—

2WD Standard tires (ag)

Front: 7.50-16. Rear: 16.9/14-30Reference

—

4WD Standard tires (ag)

Front: 9.5/9-24. Rear: 16.9/14-30Reference

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Length

378 cmReference

—

Height

262 cmReference

—

2WD ROPS

2879 kgReference

—

2WD Cab

3114 kgReference

—

4WD ROPS

3270 kgReference

—

4WD Cab

3509 kgReference

—

Rear tire

—

15.5-38Reference

Ag front

—

7.50-16Reference

Ag rear

—

15.5-38Reference

Operating weight

—

3719 kgReference

Ballasted weight

—

4731 kgReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

33Reference

—

Battery volts

12Reference

—

Hydro 86 Serial Number Location

Test results

Fuel use

—

17.8 l/hourReference

Max pull

—

3998 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.