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Tractor · 1937Unverified

McCormick-Deering T-40

Name: McCormick-Deering T-40
Brand: McCormick-Deering

McCormick-Deering T-40 — Agricultural Crawler tractor · 35 hp. Reference specifications; pending source verification.

The McCormick-Deering T-40 is a tractor with a rated output of 35 hp, making it a compact option in its class. Produced from 1937 to 1939, the T-40 is equipped with a 6-cylinder petrol liquid-cooled engine, which drives a tracked undercarriage via a 5-speed gearbox. The tractor's listed weight is 5792 kg, and it is suitable for tasks involving 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

35 hp

Max power

31.8 kW

Weight

5792 kg

Catalogue coverage

Variants represented

Richest spec table

47 rows

Recorded power

35 hp

Recorded weight

5792 kg

Transmissions

5-speed gear

Production years

1937-1939

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerMcCormick-Deering (a part of International Harvester)Reference

Agricultural Crawler tractorReference

Built in Chicago, Illinois, USAReference

Total built1,313Reference

DrivecrawlerReference

Open operator station.Reference

Engine

International Harvester 4.9L 6-cyl gasolineReference

Fuel tank159.0 LReference

Drawbar (claimed)26.1 kWReference

Belt (claimed)33.6 kWReference

Drawbar (tested)33.0 kWReference

Belt (tested)38.5 kWReference

International HarvesterReference

gasolineReference

6-cylinderReference

liquid-cooledReference

Displacement4.9 LReference

Bore/Stroke95 x 114 mmReference

Rated RPM1750Reference

Coolant capacity45.4 LReference

Belt power (max)36.8 kWReference

Max power31.8 kWReference

Belt power (max)38.5 kWReference

Max power33.0 kWReference

Transmission

5-speed gearReference

TypegearReference

Gears5 forward and 1 reverseReference

Clutchdry discReference

Dimensions

Weight5792 kgReference

TracksReference

Length358 cmReference

Width165 cmReference

Height165 cmReference

T-40 Serial Numbers

Location:Seat, right sideReference

19376652Reference

19387921Reference

19398706Reference

FAQ: How to read a serial number table.Reference

Test results

NTTL 280: distillate 5-speed crawlerReference

NTTL 281: gasoline 5-speed crawlerReference

Distillate 5-speed crawlerApril 7 - 29, 1937Link: Nebraska Tractor Test 280 fileReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull4092 kgReference

Gear 1 used for pull test.Reference

Gasoline 5-speed crawlerMay 4 - 14, 1937Link: Nebraska Tractor Test 281 fileReference

Max pull4333 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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