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.