McCormick-Deering

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.
Power16 hp[B]
Founded1934 - 1938
ModelW-12

Technical Specifications

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

Power
Plows1
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 rear42x8 steel
Ag front22.50x3.50 steel
Engine
Typedistillate
Coolingliquid-cooled vertical I-head
Aux. fuel0.75 gal (2.8 L)
Cylinders4-cylinder
Fuel tank11 gal (41.6 L)
Rated RPM1700
Air cleaneroil bath
Bore/Stroke3.00x4.00 inches (76 x 102 mm)
Displacement113.1 ci (1.9 L)
Firing order1-3-4-2
ManufacturerInternational Harvester
Coolant capacity14 qts (13.2 L)
Variants
F-12row-crop
I-12industrial
O-12orchard
W-12standard
Dimensions
Width50.5 inches (128 cm)
Length103 inches (261 cm)
Wheelbase60 inches (152 cm)
Rear tread42.25 inches (107 cm)
Front tread40.75 inches (103 cm)
Shipping weight2900 lbs (1315 kg)
Height (steering wheel)55 inches (139 cm)
Mechanical
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Production
TypeStandard-tread tractor
Built inChicago, Illinois, USA
Total built3,633
Years produced1934 - 1938
Belt Pulley
RPM787
Speed2730 ft/min (832.10 meters/min)
Width6.25 inches (15 cm)
Diameter13.25 inches (33 cm)
Transmission
Typeunsynchronized gear
Gears3 forward and 1 reverse
Clutchdry disc
Power Take-off (PTO)
Rear PTO Type567