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Tractor · 1933Unverified

McCormick-Deering TD-40

Name: McCormick-Deering TD-40
Brand: McCormick-Deering

McCormick-Deering TD-40 — Agricultural Crawler tractor · 37 hp. Reference specifications; pending source verification.

The McCormick-Deering TD-40 is a compact tractor with a rated engine power of 37 hp. Manufactured from 1933 to 1939, this model features a 4-cylinder diesel liquid-cooled engine and is equipped with a 5-speed gearbox for its tracked undercarriage. The listed weight of the TD-40 ranges from 12400 to 12750 pounds. It is suitable for tasks 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

37 hp

Max power

32.3 kW

Weight

12400 to 12750 pounds

Catalogue coverage

Variants represented

Richest spec table

67 rows

Recorded power

37 hp

Recorded weight

5624 kg

Transmissions

5-speed

Production years

1933-1939

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 Melrose Park, Illinois, USAReference

DrivecrawlerReference

Open operator station. Optional canopy or steel cab.Reference

Engine

International Harvester 7.6L 4-cyl dieselReference

Fuel tank159.0 LReference

Aux. fuel4.7 LReference

Drawbar (claimed)27.6 kWReference

Belt (claimed)35.8 kWReference

Drawbar (tested)36.2 kWReference

Belt (tested)39.9 kWReference

International HarvesterReference

dieselReference

4-cylinderReference

liquid-cooled vertical I-headReference

The TD-40's diesel engine was started on gasoline and then switched to diesel. The engine was manually cranked from the left side, which supplied fuel to a spark-ignition combustion chamber. Exhaust gas from this chamber was directed into the cylinders of the diesel. At 700 RPMs the gasoline chamber shut down and the engine ran as a true diesel.Reference

Displacement7.6 LReference

Bore/Stroke121 x 165 mmReference

Compression15:1Reference

Rated RPM1100Reference

Oil capacity11.4 LReference

Coolant capacity56.8 LReference

Belt power (max)36.0 kWReference

Max power32.3 kWReference

Belt power (max)39.9 kWReference

Max power36.2 kWReference

Transmission

5-speedReference

Gears5 forward and 1 reverseReference

PTO & Hydraulics

Rear PTO Type535Reference

Dimensions

Weight12400 to 12750 poundsReference

16-inch tracksReference

Length355 cmReference

Width161 cmReference

Height (exhaust)209 cmReference

Weight5624 kgReference

Weight5783 kgReference

Ground clearance29 cmReference

TD-40 Serial Numbers

Location:Seat, right sideReference

1933973Reference

19341472Reference

19353069Reference

19364651Reference

19376654Reference

19387922Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter42 cmReference

Width22 cmReference

RPM591Reference

McCormick-Deering TD-40 Tracks

Width40 cmReference

Width20 cmReference

Width45 cmReference

Width50 cmReference

Width55 cmReference

Width60 cmReference

Width76 cmReference

Test results

NTTL 230: diesel 5-speed crawlerReference

NTTL 298: diesel 5-speed crawlerReference

Diesel 5-speed crawlerOctober 25 - November 13, 1934Link: Nebraska Tractor Test 230 fileReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull4321 kgReference

Gear 1 used for pull test.Reference

Diesel 5-speed crawlerApril 20 - 30, 1938Link: Nebraska Tractor Test 298 fileReference

Belt fuel use (max)14.0 l/hourReference

Gear 1 used for power test.Reference

Max pull4756 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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