Search/Industrial Tractor/International Harvester/I-6

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Industrial Tractor · 1940Unverified

International Harvester I-6

Name: International Harvester I-6
Brand: International Harvester

International Harvester I-6 — Industrial tractor · 44 hp. Reference specifications; pending source verification.

The International Harvester I-6 is a compact industrial tractor model with a rated output of 44 hp. It was manufactured from 1940 to 1953. The model features a 4-cylinder diesel liquid-cooled engine, paired with a 5-speed gearbox, and is equipped with two-wheel drive. Its listed weight is 2501 kg, suitable for tasks covering approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

44 hp

Weight

2501 kg

Catalogue coverage

Variants represented

Richest spec table

52 rows

Recorded power

44 hp

Recorded weight

2501 kg

Transmissions

5-speed sliding gear

Production years

1940-1953

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Industrial tractorReference

Built in Rock Island, Illinois, USAReference

Two-wheel driveReference

Manual steeringReference

Open operator station.Reference

Variants

ID-6diesel engine W-6[TD297]Reference

Mrow-cropReference

Engine

International Harvester 4.1L 4-cyl distillateReference

International Harvester 4.1L 4-cyl gasolineReference

Fuel tank79.5 LReference

Aux. fuel3.3 LReference

Drawbar (claimed)24.6 kWReference

International HarvesterReference

distillateReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement4.1 LReference

Bore/Stroke98 x 133 mmReference

Compression4.75:1Reference

Compression4.5:1Reference

Rated RPM1450Reference

Firing order1-3-4-2Reference

Coolant capacity23.7 LReference

Sparkplug gap0.635 mmReference

Point gap0.330 mmReference

Intake valve clearance0.432 mmReference

Exhaust valve clearance0.432 mmReference

gasolineReference

Compression5.65:1Reference

Transmission

5-speed sliding gearReference

Typesliding gearReference

Gears5 forward and 1 reverseReference

PTO & Hydraulics

PTO (claimed)33.0 kWReference

Rear PTO Type540Reference

Dimensions

Weight2501 kgReference

Ag front6.00-16Reference

Ag rear15-30Reference

Length315 cmReference

Width160 cmReference

Height231 cmReference

I-6 Serial Numbers

1944IBK6312Reference

1945IBK9394Reference

1946IBK14194Reference

1947IBK17797Reference

1948IBK22971Reference

1949IBK29007Reference

1950IBK34083Reference

1951IBK38524Reference

1952IBK44318Reference

1953IBK45831Reference

FAQ: How to read a serial number table.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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