Compare/International Harvester 2400A vs International Harvester I-6

International Harvester 2400A vs International Harvester I-6

Verdict: International Harvester 2400A vs International Harvester I-6

The International Harvester 2400A and the International Harvester I-6 are both industrial tractors — here is how they stack up on the figures that matter. International Harvester I-6 leads on rated power with 44 hp against 40 hp. International Harvester I-6 is the lighter machine (2,501 kg vs 4,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester I-6 holds more fuel (79.5 L vs 70.0 L) for longer stints between fills. International Harvester 2400A is the newer design (1973 vs 1940). In short: choose the International Harvester I-6 for outright pulling power, or the International Harvester 2400A 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

40 hp

44 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

Four gears with high/low ranges and reverser.Reference

gasolineReference

Variants

454

farm tractorReference

—

2400A Lo-Boy

low center of gravityReference

—

ID-6

—

diesel engine W-6[TD297]Reference

—

row-cropReference

Engine

Fuel tank

70.0 LReference

79.5 LReference

Engine

34.3 kWReference

—

Drawbar (claimed)

26.1 kWReference

24.6 kWReference

Displacement

2.6 LReference

4.1 LReference

Bore/Stroke

86 x 112 mmReference

98 x 133 mmReference

Power

34.3 kWReference

—

Air cleaner

dryReference

—

Compression

7.5:1Reference

5.65:1Reference

Rated RPM

2200Reference

1450Reference

Starter volts

12Reference

—

Oil capacity

34.1 LReference

—

Coolant capacity

10.9 LReference

23.7 LReference

Aux. fuel

—

3.3 LReference

Firing order

—

1-3-4-2Reference

Sparkplug gap

—

0.635 mmReference

Point gap

—

0.330 mmReference

Intake valve clearance

—

0.432 mmReference

Exhaust valve clearance

—

0.432 mmReference

Transmission

reverserReference

—

Gears

8 forward and reverseReference

5 forward and 1 reverseReference

Type

—

sliding gearReference

PTO & Hydraulics

PTO (claimed)

29.8 kWReference

33.0 kWReference

Rear Type

IReference

—

Rear PTO

independentReference

—

Rear PTO Type

540/1000Reference

540Reference

Mid PTO

optionalReference

—

Mid PTO Type

1000Reference

—

Dimensions

Wheelbase

208 cmReference

—

Weight

4000 to 9800 poundsReference

2501 kgReference

Ag front

9.00-10 (Lo-Boy)Reference

6.00-16Reference

Ag rear

18.4-16.1 (Lo-Boy)Reference

15-30Reference

Length

335 cmReference

315 cmReference

Width

200 cmReference

160 cmReference

Height (steering wheel)

129 cmReference

—

Ground clearance

15 cmReference

—

Shipping

4445 kgReference

—

Height

—

231 cmReference

International Harvester 2400A attachments

Electrical

Charging system

32Reference

—

Batteries

2 (diesel)Reference

—

Battery volts

6 (diesel)Reference

—

Battery AH

135 (diesel)Reference

—

Attachment overview

International Harvester Backhoe

Backhoe type

International Harvester BackhoeReference

—

Transport height

355 cmReference

—

Digging depth

386 cmReference

—

2-Foot flat digging depth

375 cmReference

—

Loading height

320 cmReference

—

Bucket force

3531 kgReference

—

Dipperstick force

2191 kgReference

—

Speeds

I-6 Serial Numbers

1944

—

IBK6312Reference

1945

—

IBK9394Reference

1946

—

IBK14194Reference

1947

—

IBK17797Reference

1948

—

IBK22971Reference

1949

—

IBK29007Reference

1950

—

IBK34083Reference

1951

—

IBK38524Reference

1952

—

IBK44318Reference

1953

—

IBK45831Reference

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.