McCormick-Deering produced its W-40 farm tractor model From 1935 Until 1940 in United states with a Open operator statio cabin. Talking dimensions and weight, this model weighs 6,100 lbs or 2766 kg has 65.5 inches [166 cm] of width, 141.5 inches [359 cm] of length and 67 inches [170 cm] of height while maintaining a wheelbase of 85 inches [215 cm] the front tread is about 52.25 inches while the rear tread is 53 inches . This tractor can fit ag tires of 34x6 steel front and 34x6 steel back . This McCormick-Deering W-40 is powerd by a gasoline engine it has 298.2 ci or 4.9 L 6 cylinders the fuel tank capacity is 31 gal or 117.3 L. This machine has 4x2 2WD wheel drive system,4 forward and 1 reverse transmission system.