Tractorpedia.com

McCormick-Deering W-40

McCormick-Deering W-40 tractor
View Images
The McCormick-Deering W-40 is a standard-tread farm tractor produced from 1935 to 1940 by McCormick-Deering, a part of International Harvester. Built in Milwaukee, Wisconsin, USA, the W-40 was available with gasoline, kerosene, and diesel engines. It featured a two-wheel drive with manual steering and an open operator station. The tractor had a 3-speed or 4-speed unsynchronized gear transmission with a dry disc clutch. The W-40's power ranged from 28 hp drawbar claimed to 35.22 hp drawbar tested, with belt power up to 49.76 hp tested. The tractor's dimensions include a wheelbase of 85 inches, length of 141.5 inches, and weight of 6100 lbs. The W-40 paint color changed from grey to red on November 1, 1936.
McCormick-Deering W-40tractorfarm tractorspecificationsenginetransmissionpowerdimensionsvariants
Power50 hp[B]
Founded1935 - 1940
ModelW-40

Technical Specifications

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

Power

Belt (tested):49.76 hp (37.1 kW)
Belt (claimed):45 hp (33.6 kW)
Drawbar (tested):35.22 hp (26.3 kW)
Drawbar (claimed):28 hp (20.9 kW)

Tires

Ag rear:50x12 (steel)
Ag front:34x6 (steel)

Engine

Options:International Harvester 4.9L 6-cyl gasoline, International Harvester 4.9L 6-cyl kerosene, International Harvester 4.0L 6-cyl gasoline
Aux. fuel:1.25 gal (4.7 L)
Fuel tank:31 gal (117.3 L)
Rated RPM:1750
Bore/Stroke:3.75x4.50 inches (95 x 114 mm)
Displacement:298.2 ci (4.9 L)
Oil capacity:9 qts (8.5 L)
Coolant capacity:48 qts (45.4 L)
Rated RPM (early WA-40):1750
Air cleaner (early WA-40):oil bath
Bore/Stroke (early WA-40):3.375x4.50 inches (86 x 114 mm)
Displacement (early WA-40):242 ci (4.0 L)
Air cleaner (kerosene engine):oil bath
International Harvester kerosene:6-cylinder, liquid-cooled
International Harvester FBB gasoline:6-cylinder, liquid-cooled vertical I-head
International Harvester gasoline (early WA-40):6-cylinder, liquid-cooled

Variants

W-40:298ci gasoline
WA-40:279ci gasoline
WD-40:diesel
WK-40:298ci kerosene

Dimensions

Width:65.75 inches (167 cm)
Length:141.5 inches (359 cm)
Weight:6100 lbs (2766 kg)
Wheelbase:85 inches (215 cm)
Rear tread:53 inches (134 cm)
Front tread:52.25 inches (132 cm)
Height (exhaust):73 inches (185 cm)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Final drives:bull gear
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Milwaukee, Wisconsin, USA
Years produced:1935 - 1940
Paint color change:The W-40 paint color changed from grey to red on November 1, 1936.

Belt Pulley

RPM:645
Speed:2647 ft/min (806.81 meters/min)
Width:9 inches (22 cm)
Diameter:15.7 inches (39 cm)

Transmission

Note:High-speed fourth gear was only for tractors with rubber tires.
Options:3-speed unsynchronized gear, 4-speed unsynchronized gear
Type (3-speed):unsynchronized gear
Type (4-speed):unsynchronized gear
Gears (3-speed):3 forward and 1 reverse
Gears (4-speed):4 forward and 1 reverse
Clutch (3-speed):dry disc
Clutch (4-speed):dry disc

Serial Numbers

1935:501
1936:1441
1937:5120
1938:7665
1939:9756
1940:10323

Power Take-off (PTO)

Rear PTO Type:553

Related Models

McCormick-Deering W-30

Model:W-30