Compare/International Harvester 685 vs International Harvester Hydro 86

International Harvester 685 vs International Harvester Hydro 86

Verdict: International Harvester 685 vs International Harvester Hydro 86

The International Harvester 685 and the International Harvester Hydro 86 are both tractors — here is how they stack up on the figures that matter. International Harvester 685 leads on rated power with 72 hp against 70 hp. International Harvester Hydro 86 is the lighter machine (3,719 kg vs 6,703 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 685 is the newer design (1981 vs 1976). In short: choose the International Harvester 685 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.

Tune the fit score

Tell us about your operation

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 (1-4) in two ranges (low/high) plus reverse range.Reference

Pull at 3.3 KPHReference

Differential lock

mechanical rearReference

—

Engine

Fuel tank

112.0 LReference

—

Engine (gross)

53.5 kWReference

—

Engine (net)

51.5 kWReference

—

Displacement

3.9 LReference

5.1 LReference

Bore/Stroke

98 x 129 mmReference

98 x 111 mmReference

Power (net)

51.5 kWReference

—

Power (gross)

53.5 kWReference

—

Fuel system

direct injectionReference

—

Rated RPM

2300Reference

2400Reference

Torque

244.1 NmReference

—

Torque RPM

1600Reference

—

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

Type

two-speed power shiftReference

hydrostaticReference

Gears

16 forward and 8 reverseReference

variable forward and reverse (2-range)Reference

Transmission

Torque AmplifierReference

—

PTO & Hydraulics

PTO (claimed)

47.2 kWReference

51.8 kWReference

Pump flow

46.9 lpmReference

45.4 lpmReference

Rear Type

IIReference

Control

position and draft controlReference

—

Rear lift

2381 kgReference

—

Rear PTO

independentReference

Clutch

hydraulic wet discReference

—

Rear PTO Type

540/1000Reference

540 (1.375)Reference

PTO (tested)

—

52.9 kWReference

Valves

—

1Reference

Power at rated PTO speed

—

49.7 kWReference

Dimensions

Wheelbase

224 cmReference

—

Weight

6703 to 7188 poundsReference

3719 kgReference

Front tire

10.00-16Reference

7.50-16Reference

Rear tire

16.9-34Reference

15.5-38Reference

Ag front

12.4-24 (4WD)Reference

7.50-16Reference

Ag rear

16.9-34Reference

15.5-38Reference

Length

374 cmReference

—

Height

264 cmReference

—

2WD Weight

3040 kgReference

—

4WD Weight

3260 kgReference

—

Operating weight

—

3719 kgReference

Ballasted weight

—

4731 kgReference

685 Serial Numbers

Location:

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

—

Electrical

Ground

negativeReference

—

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.