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McCormick-Deering TD-40

McCormick-Deering TD-40 tractor
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The McCormick-Deering TD-40 is an agricultural crawler tractor produced from 1933 to 1939 by McCormick-Deering, a part of International Harvester. It features a 7.6L 4-cylinder diesel engine that starts on gasoline and switches to diesel operation. The tractor has a 5-speed transmission with 5 forward and 1 reverse gear, and offers an open operator station with optional canopy or steel cab. It has a drawbar power of 37 hp claimed and tested drawbar power up to 48.53 hp. The TD-40 runs on crawler tracks with multiple width options and has a rear PTO type 535. It was built in Melrose Park, Illinois, USA.
McCormick-Deering TD-40tractorcrawler tractorInternational Harvesterdiesel engine5-speed transmissionagricultural tractortractor specifications
Power53 hp[B]
Founded1933 - 1939
ModelTD-40

Technical Specifications

Detailed specifications and technical data for McCormick-Deering TD-40

Power

Belt (tested):53.46 hp (39.9 kW)
Belt (claimed):48 hp (35.8 kW)
Drawbar (tested):48.53 hp (36.2 kW)
Drawbar (claimed):37 hp (27.6 kW)

Engine

Type:7.6L 4-cyl diesel
Aux. fuel:1.25 gal (4.7 L)
Fuel tank:42 gal (159.0 L)
Rated RPM:1100
Bore/Stroke:4.75x6.50 inches (121 x 165 mm)
Compression:15:1
Description: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.
Displacement:460.7 ci (7.6 L)
Manufacturer:International Harvester
Oil capacity:12 qts (11.4 L)
Coolant capacity:60 qts (56.8 L)

Tracks

Widths:16 inches (40 cm),8 inches (20 cm),18 inches (45 cm),20 inches (50 cm),22 inches (55 cm),24 inches (60 cm),30 inches (76 cm)

Dimensions

Width:63.75 inches (161 cm)
Length:140 inches (355 cm)
Weight:12400 to 12750 pounds (5624 to 5783 kg)
Ground clearance:11.75 inches (29 cm)
Height (exhaust):82.5 inches (209 cm)

Mechanical

Drive:crawler
Operator station:Open operator station. Optional canopy or steel cab.

Production

Type:Agricultural Crawler tractor
Built in:Melrose Park, Illinois, USA
Years produced:1933 - 1939

Belt Pulley

RPM:591
Width:9 inches (22 cm)
Diameter:16.75 inches (42 cm)

Transmission

Type:5-speed
Gears:5 forward and 1 reverse

Power Take-off (PTO)

Rear PTO Type:535

Related Models

McCormick-Deering TD-14

Model:TD-14