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Years in Production / 1935–1940
McCormick-Deering
W-40
Explore the specifications, hardware, and original references for the McCormick-Deering W-40.
50hp
Engine estimate · from belt
2WD Only
Drive
1935–1940
Production years
McCormick-Deering
Manufacturer
W-40 / 01
At a glance
Production
Standard-tread tractor
Built in Milwaukee, Wisconsin, USA
The W-40 paint color changed from grey to red on November 1, 1936.
- Manufacturer
- McCormick-Deering (a part of International Harvester)
Mechanical
Two-wheel drive
Manual steering
Open operator station.
- Final Drives
- bull gear
Pto
- Rear Type
- 553
Belt Pulley
- Diameter
- 15.7 inches39 cm
- Width
- 9 inches22 cm
- Rpm
- 645
- Speed
- 2647 ft/min806.81 meters/min
W-40 / 02
Under the hood
Engine Detail (Option 1)
International Harvester FBB
gasoline
6-cylinder
liquid-cooled vertical I-head
- Displacement
- 298.2 ci4.9 L
- Bore Stroke
- 3.75x4.50 inches95 x 114 mm
- Rated Rpm
- 1750
- Oil Capacity
- 9 qts8.5 L
- Coolant Capacity
- 48 qts45.4 L
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled vertical I-head
Engine Detail (Option 2)
International Harvester
kerosene
6-cylinder
liquid-cooled
- Displacement
- 298.2 ci4.9 L
- Bore Stroke
- 3.75x4.50 inches95 x 114 mm
- Air Cleaner
- oil bath
- Rated Rpm
- 1750
- Fuel Type
- kerosene
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Detail (Option 3)
International Harvester
gasoline
6-cylinder
liquid-cooled
The 242ci engine was used on the early production models of the WA-40 with gasoline engine. This was later replaced with the 298ci engine.
- Displacement
- 242 ci4.0 L
- Bore Stroke
- 3.375x4.50 inches86 x 114 mm
- Air Cleaner
- oil bath
- Rated Rpm
- 1750
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 4.9L 6-cyl gasoline
International Harvester 4.9L 6-cyl kerosene
International Harvester 4.0L 6-cyl gasoline
- Fuel Tank
- 31 gal117.3 L
- Aux Fuel
- 1.25 gal4.7 L
W-40 / 03
Gears & controls
Transmission (Option 1)
- Transmission Type
- unsynchronized gear
- Gears
- 3 forward and 1 reverse
- Clutch
- dry disc
Transmission (Option 2)
High-speed fourth gear was only for tractors with rubber tires.
- Transmission Type
- unsynchronized gear
- Gears
- 4 forward and 1 reverse
- Clutch
- dry disc
W-40 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 141.5 in359 cm
- Width
- 65.75 in167 cm
- Height
- 73 in185 cm
- Wheelbase
- 85 in215 cm
- Front tread
- 52.25 in132 cm
- Rear tread
- 53 in134 cm
Dimensions And Tires
- Wheelbase
- 85 inches215 cm
- Weight
- 6100 lbs2766 kg
- Front Tire
- 34x6
- Rear Tire
- 50x12
Tires And Tracks
- Front Ag
- 34x6 (steel)
- Rear Ag
- 50x12 (steel)
W-40 / 05
Tractor Photos
W-40 / 06
Tests (NTTL)
Nebraska Tractor Test 268
Distillate 1600rpm 3-speed 2WDAugust 25 - September 3, 1936
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 268
- Belt Power Max
- 45.69 hp34.1 kW
- Belt Fuel Use Max
- 5.4 gal/hour20.4 l/hour
- Max Power
- 31.79 hp23.7 kW
- Max Pull
- 4,399 lbs1995 kg
Nebraska Tractor Test 269
Distillate 1750rpm 3-speed 2WDSeptember 3 - 15, 1936
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 269
- Belt Power Max
- 49.76 hp37.1 kW
- Belt Fuel Use Max
- 5.6 gal/hour21.2 l/hour
- Max Power
- 35.22 hp26.3 kW
- Max Pull
- 4,982 lbs2259 kg