John Deere produced its 40 farm tractor model From 1953 Until 1955 in United states this exact model was priced at 1,500 USD with a Open operator station cabin and more than 18,000 units were build. Talking dimensions and weight, this model weighs 2,900 lbs or 1315 kg has 89.75 inches [227 cm] of width, 130.625 inches [331 cm] of length and 58.75 inches [149 cm] of height the front tread is about 39.125 to 54 inches while the rear tread is 47.25 to 96 inches . This tractor can fit ag tires of 5.00-15 front and 5.00-15 back . This John Deere 40 is powerd by a gasoline engine it has 100.5 ci or 1.6 L 2 cylinders 4 valves the fuel tank capacity is 10.5 gal or 39.7 L. This machine has 4x2 2WD wheel drive system,4 forward and 1 reverse transmission system.