Sheppard Diesel produced its SD-2 farm tractor model From 1949 Until 1956 in United states with a Open operator station cabin and more than 257 units were build. Talking dimensions and weight, this model weighs 4008 lbs or 1818 kg has , 125 inches [317 cm] of length and 70.25 inches [178 cm] of height while maintaining a wheelbase of 85 inches [215 cm] the front tread is about 56 to 80 inches while the rear tread is 56 to 84 inches . This tractor can fit ag tires of 6.00-16 front and 6.00-16 back . This Sheppard Diesel SD-2 is powerd by a diesel engine it has 141.9 ci or 2.3 L 2 cylinders ,it can produce 24 hp or 17.9 kW at 1650 (rpm),. This machine has 4x2 2WD wheel drive system,8 forward and 2 reverse transmission system.