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Tractor · 1940Unverified

International Harvester T-6

International Harvester T-6 — Model year 1940-19561956-19601959-1969 · 31 hp. Reference specifications; pending source verification.

The International Harvester T-6 tractor is a lightweight model, boasting a rating of approximately 31 hp. Produced from 1940 to 1969, it features a 4-cylinder diesel liquid-cooled engine paired with a tracked undercarriage and a 5-speed gearbox. The T-6 has an operating weight range of 6930 to 7500 pounds. It is capable of operating on areas of up to 200 acres.

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

Rated power
31 hp
Max power
23.0 kW
Weight
6930 to 7500 pounds

Catalogue coverage

Variants represented
2
Richest spec table
69 rows
Recorded power
31 hp
Transmissions
5-speed gear
Production years
1940-1969
Verified variants
0

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

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference
Agricultural Crawler tractorReference
Total built38,450Reference
DrivecrawlerReference
Open operator station.Reference

Variants

T-6gasoline engineReference
TD-6diesel engineReference

Engine

International Harvester 4.1L 4-cyl gasolineReference
Fuel tank75.7 LReference
Plows4Reference
Drawbar (tested)23.0 kWReference
Belt (tested)27.6 kWReference
International Harvester C-248Reference
gasolineReference
4-cylinderReference
liquid-cooled vertical I-headReference
Displacement4.1 LReference
Bore/Stroke98 x 133 mmReference
Rated RPM1450Reference
Firing order1-3-4-2Reference
Oil capacity8.5 LReference
Coolant capacity36.0 LReference
Belt power (max)27.6 kWReference
Max power23.0 kWReference
Belt power (max)25.8 kWReference
Max power22.0 kWReference

Transmission

5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Oil capacity15.1 LReference

Dimensions

Weight6930 to 7500 poundsReference
12-inch tracksReference
Length264 cmReference
Width160 cmReference
Height147 cmReference
Shipping3143 kgReference
Shipping3234 kgReference
Operating3402 kgReference

T-6 Serial Numbers

Location:lower-left dashReference
1940TBK501Reference
1941TBK4435Reference
1942TBK8191Reference
1943TBK9297Reference
1944TBK9581Reference
1945TBK10828Reference
1946TBK12056Reference
1947TBK14516Reference
1948TBK17349Reference
1949TBK21146Reference
1950TBK24862Reference
1951TBK27536Reference
1952TBK31056Reference
1953TBK33157Reference
1954TBK35746Reference
1955TBK37470Reference
1956TBK38706Reference
FAQ: How to read a serial number table.Reference

International Harvester T-6 Tracks

Width30 cmReference

Test results

NTTL 346: gasoline 5-speed crawlerReference
NTTL 347: distillate 5-speed crawlerReference
Gasoline 5-speed crawlerMay 14 - June 6, 1940Reference
Belt fuel use (max)11.4 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull3470 kgReference
Gear 1 used for pull test.Reference
Distillate 5-speed crawlerMay 22 - June 10, 1940Reference
Belt fuel use (max)10.6 l/hourReference
Max pull3372 kgReference

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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