Compare/International Harvester 3434 vs International Harvester I-6

International Harvester 3434 vs International Harvester I-6

Verdict: International Harvester 3434 vs International Harvester I-6

The International Harvester 3434 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 43 hp. International Harvester I-6 is the lighter machine (2,501 kg vs 6,190 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 3434 is the newer design (1966 vs 1940). In short: choose the International Harvester I-6 for outright pulling power, or the International Harvester 3434 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

43 hp

44 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

gasolineReference

Variants

434

utility tractorReference

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3434

industrial tractorReference

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ID-6

—

diesel engine W-6[TD297]Reference

—

row-cropReference

Engine

32.1 kWReference

—

Displacement

2.5 LReference

4.1 LReference

Bore/Stroke

89 x 102 mmReference

98 x 133 mmReference

Power

32.1 kWReference

—

Fuel system

indirect injectionReference

—

Pre-heating

glow plugsReference

—

Rated RPM

2000Reference

1450Reference

Torque

162.7 NmReference

—

Torque RPM

1300Reference

—

Starter volts

12Reference

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Fuel tank

—

79.5 LReference

Aux. fuel

—

3.3 LReference

Drawbar (claimed)

—

24.6 kWReference

Compression

—

5.65:1Reference

Firing order

—

1-3-4-2Reference

Coolant capacity

—

23.7 LReference

Sparkplug gap

—

0.635 mmReference

Point gap

—

0.330 mmReference

Intake valve clearance

—

0.432 mmReference

Exhaust valve clearance

—

0.432 mmReference

Transmission

Gears

8 forward and 2 reverseReference

5 forward and 1 reverseReference

PTO & Hydraulics

Type

gearReference

sliding gearReference

Pump flow

73.1 lpmReference

—

Rear Type

II/IReference

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Rear PTO

transmissionReference

—

Rear PTO Type

540 (1.375)Reference

540Reference

PTO (claimed)

—

33.0 kWReference

Dimensions

Wheelbase

187 cmReference

—

Weight

4263 kgReference

2501 kgReference

Length

498 cmReference

315 cmReference

Ag front

—

6.00-16Reference

Ag rear

—

15-30Reference

Width

—

160 cmReference

Height

—

231 cmReference

International Harvester 3434 attachments

Attachment overview

International B-1 Backhoe

Backhoe type

International 43-2 Side-Shift BackhoeReference

—

Transport height

330 cmReference

—

Digging depth

342 cmReference

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Reach from pivot

447 cmReference

—

Loading height

322 cmReference

—

Swing Arc

180°Reference

—

International 43-2 Side-Shift Backhoe

Bucket width

60 cmReference

—

Bucket force

3027 kgReference

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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.