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McCormick-Deering W-12

The McCormick-Deering W-12 is a standard-tread tractor produced from 1934 to 1938 by McCormick-Deering, a part of International Harvester. Built in Chicago, Illinois, USA, a total of 3,633 units were made. It features a 1.9L 4-cylinder liquid-cooled vertical I-head distillate engine with 16.7 estimated horsepower. The tractor has a 3-speed unsynchronized gear transmission with dry disc clutch, two-wheel drive, and manual steering. It has an open operator station and a rear PTO type 567. The W-12 is capable of pulling one plow and has drawbar and belt power ratings both claimed and tested. Dimensions include a 60-inch wheelbase, 103-inch length, and a shipping weight of 2900 lbs. Tires are steel with sizes 22.50x3.50 front and 42x8 rear. Variants include the F-12 row-crop, O-12 orchard, and I-12 industrial models.
McCormick-Deering W-12tractorspecificationsenginetransmissionpowerdimensionsvariantsfarm tractor
Power16 hp[B]
Founded1934 - 1938
ModelW-12

Technical Specifications

Detailed specifications and technical data for McCormick-Deering W-12

Power

Plows:1
Belt (tested):17.65 hp (13.2 kW)
Belt (claimed):15 hp (11.2 kW)
Drawbar (tested):13.52 hp (10.1 kW)
Drawbar (claimed):10 hp (7.5 kW)

Tires

Ag rear:42x8 steel
Ag front:22.50x3.50 steel

Engine

Type:distillate
Cooling:liquid-cooled vertical I-head
Aux. fuel:0.75 gal (2.8 L)
Cylinders:4-cylinder
Fuel tank:11 gal (41.6 L)
Rated RPM:1700
Air cleaner:oil bath
Bore/Stroke:3.00x4.00 inches (76 x 102 mm)
Displacement:113.1 ci (1.9 L)
Firing order:1-3-4-2
Manufacturer:International Harvester
Coolant capacity:14 qts (13.2 L)

Variants

F-12:row-crop
I-12:industrial
O-12:orchard
W-12:standard

Dimensions

Width:50.5 inches (128 cm)
Length:103 inches (261 cm)
Wheelbase:60 inches (152 cm)
Rear tread:42.25 inches (107 cm)
Front tread:40.75 inches (103 cm)
Shipping weight:2900 lbs (1315 kg)
Height (steering wheel):55 inches (139 cm)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Chicago, Illinois, USA
Total built:3,633
Years produced:1934 - 1938

Belt Pulley

RPM:787
Speed:2730 ft/min (832.10 meters/min)
Width:6.25 inches (15 cm)
Diameter:13.25 inches (33 cm)

Transmission

Type:unsynchronized gear
Gears:3 forward and 1 reverse
Clutch:dry disc

Power Take-off (PTO)

Rear PTO Type:567

Related Models

McCormick-Deering W-14

Model:W-14