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Years in Production / 1937–1939
McCormick-Deering
T-40
Explore the specifications, hardware, and original references for the McCormick-Deering T-40.

No photo
50hp
Engine estimate · from belt
Tracks
Drive
1937–1939
Production years
McCormick-Deering
Manufacturer
T-40 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Chicago, Illinois, USA
- Manufacturer
- McCormick-Deering (a part of International Harvester)
- Total Built
- 1,313
Mechanical
Open operator station.
- Drive
- crawler
T-40 / 02
Under the hood
Engine Detail
International Harvester
gasoline
6-cylinder
liquid-cooled
- Displacement
- 298.2 ci4.9 L
- Bore Stroke
- 3.75x4.50 inches95 x 114 mm
- Rated Rpm
- 1750
- Coolant Capacity
- 48 qts45.4 L
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 4.9L 6-cyl gasoline
- Fuel Tank
- 42 gal159.0 L
T-40 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 5 forward and 1 reverse
- Clutch
- dry disc
T-40 / 04
Size. Stance. Footprint.
Tires And Tracks
Tracks
- Weight
- 12770 lbs5792 kg
T-40 / 05
Tests (NTTL)
Nebraska Tractor Test 280
Distillate 5-speed crawlerApril 7 - 29, 1937
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 280
- Belt Power Max
- 49.34 hp36.8 kW
- Max Power
- 42.63 hp31.8 kW
- Max Pull
- 9023 lbs4092 kg
Nebraska Tractor Test 281
Gasoline 5-speed crawlerMay 4 - 14, 1937
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 281
- Belt Power Max
- 51.67 hp38.5 kW
- Max Power
- 44.28 hp33.0 kW
- Max Pull
- 9553 lbs4333 kg