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Tractor · 1940Unverified

International Harvester TD-6

International Harvester TD-6 — Model year 1940-19561956-19591959-1969 · 22 hp. Reference specifications; pending source verification.

The International Harvester TD-6 is a tractor with a rating of approximately 22 horsepower, which positions it at the lower end of its class in terms of power output. This model was manufactured from 1940 to 1969. Key features include a 4-cylinder diesel liquid-cooled engine and a tracked undercarriage paired with a 5-speed gearbox. The operating weight of the TD-6 ranges from 7280 to 7800 pounds, making it suitable for operations 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
22 hp
Max power
21.0 kW
Weight
7280 to 7800 pounds

Catalogue coverage

Variants represented
2
Richest spec table
85 rows
Recorded power
22 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
Built in Melrose Park, Illinois, USAReference
Total built38,450Reference
DrivecrawlerReference
Final drivesbull gearReference
Open operator station.Reference

Variants

T-6gasoline engineReference
TD-6diesel engineReference

Engine

International Harvester 4.1L 4-cyl dieselReference
Fuel tank75.7 LReference
Aux. fuel2.5 LReference
Drawbar (claimed)16.4 kWReference
Belt (claimed)23.1 kWReference
Plows4Reference
Drawbar (tested)23.7 kWReference
Belt (tested)28.5 kWReference
International HarvesterReference
dieselReference
4-cylinderReference
liquid-cooled inlineReference
Displacement4.1 LReference
Bore/Stroke98 x 133 mmReference
Air cleaneroil bathReference
Rated RPM1450Reference
Firing order1-3-4-2Reference
Startergasoline ignitionReference
Starter volts12Reference
Oil capacity8.5 LReference
Coolant capacity39.7 LReference
Belt power (max)25.8 kWReference
Max power21.0 kWReference
Belt power (max)28.5 kWReference
Max power23.7 kWReference

Transmission

5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference

PTO & Hydraulics

Rear PTO Type540 (1.375)Reference

Dimensions

Weight7280 to 7800 poundsReference
10-inch tracksReference
Length264 cmReference
Width160 cmReference
Width134 cmReference
Height184 cmReference
Gauge101 cmReference
Gauge127 cmReference
3538 kgReference
Shipping3302 kgReference
Shipping3392 kgReference

TD-6 Serial Number Location

Serial number plate on dashboard.Reference

TD-6 Serial Numbers

1940TDBK501Reference
1941TDBK4435Reference
1942TDBK8191Reference
1943TDBK9297Reference
1944TDBK9581Reference
1945TDBK10828Reference
1946TDBK12056Reference
1947TDBK14516Reference
1948TDBK17349Reference
1949TDBK21146Reference
1950TDBK24862Reference
1951TDBK27536Reference
1952TDBK31056Reference
1953TDBK33157Reference
1954TDBK35746Reference
1955TDBK37470Reference
1956TDBK38706Reference
FAQ: How to read a serial number table.Reference

Capacities

Diameter31 cmReference
Width20 cmReference
RPM811Reference

International Harvester TD-6 Tracks

Width25 cmReference
Length on ground149 cmReference
Area on ground0.8 m²Reference

Test results

NTTL 345: diesel 5-speed crawlerReference
NTTL 462: diesel 5-speed crawlerReference
Diesel 5-speed crawlerMay 6 - June 1, 1940Link: Nebraska Tractor Test 345 fileReference
Belt fuel use (max)9.1 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull3247 kgReference
Gear 1 used for pull test.Reference
Diesel 5-speed crawlerJune 25 - July 10, 1951Link: Nebraska Tractor Test 462 fileReference
Belt fuel use (max)10.2 l/hourReference
Max pull3688 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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