Compare/International Harvester 685 vs International Harvester 824

International Harvester 685 vs International Harvester 824

Verdict: International Harvester 685 vs International Harvester 824

The International Harvester 685 and the International Harvester 824 are both tractors — here is how they stack up on the figures that matter. International Harvester 824 leads on rated power with 75 hp against 72 hp. International Harvester 685 is the lighter machine (6,703 kg vs 6,934 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 685 holds more fuel (112.0 L vs 70.0 L) for longer stints between fills. International Harvester 685 is the newer design (1981 vs 1971). In short: choose the International Harvester 824 for outright pulling power, or the International Harvester 685 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

75 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

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

The Agriomatic S provides an additional four forward speeds selected by a right-hand power shift lever. Pushing the lever forward engages the Agriomatic range, while rearward uses the conventional range. The Agriomatic speeds are between high and low ranges, so this provides an undershift in high range and an overshift in low range. In reverse range it operates as a power shuttle.Reference

Differential lock

mechanical rearReference

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Engine

Fuel tank

112.0 LReference

70.0 LReference

Engine (gross)

53.5 kWReference

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Engine (net)

51.5 kWReference

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Displacement

3.9 LReference

Bore/Stroke

98 x 129 mmReference

Power (net)

51.5 kWReference

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Power (gross)

53.5 kWReference

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Fuel system

direct injectionReference

—

Rated RPM

2300Reference

Torque

244.1 NmReference

257.9 NmReference

Torque RPM

1600Reference

1500Reference

Starter

electricReference

—

Starter volts

12Reference

Engine

—

55.9 kWReference

Power

—

55.9 kWReference

Compression

—

16:1Reference

Firing order

—

1-3-4-2Reference

Starter power

—

3.0 kWReference

Oil capacity

—

9.1 LReference

Oil change

—

200 hReference

Transmission

Type

two-speed power shiftReference

partial power shiftReference

Gears

16 forward and 8 reverseReference

12 forward and 4 reverseReference

Transmission

Torque AmplifierReference

Agriomatic SReference

PTO & Hydraulics

PTO (claimed)

47.2 kWReference

—

Pump flow

46.9 lpmReference

28.4 lpmReference

Rear Type

IIReference

Control

position and draft controlReference

Rear lift

2381 kgReference

2700 kgReference

Rear PTO

independentReference

Clutch

hydraulic wet discReference

—

Rear PTO Type

540/1000Reference

Dimensions

Wheelbase

224 cmReference

212 cmReference

Weight

6703 to 7188 poundsReference

6934 to 7596 poundsReference

Front tire

10.00-16Reference

7.50-18Reference

Rear tire

16.9-34Reference

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Ag front

12.4-24 (4WD)Reference

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Ag rear

16.9-34Reference

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Length

374 cmReference

355 cmReference

Height

264 cmReference

181 cmReference

2WD Weight

3040 kgReference

3145 kgReference

4WD Weight

3260 kgReference

3445 kgReference

2WD Rear tire

—

13.6-38Reference

2WD Standard tires (ag)

—

Front: 7.50-18. Rear: 13.6-38Reference

4WD Standard tires (ag)

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Front: 11.2-24. Rear: 16.9-34Reference

Width

—

198 cmReference

Ground clearance

—

38 cmReference

Front tread

—

132 to 172 cmReference

Rear tread

—

146 to 186 cmReference

685 Serial Numbers

Location:

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

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Electrical

Ground

negativeReference

—

Battery volts

12Reference

Charging system

—

Bosch generatorReference

Charging amps

—

16Reference

Batteries

—

1 (12V)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.