John Deere produced its 820 farm tractor model From 1968 Until 1973 in United states this exact model was priced at 4,000 USD with a Open operator station cabin. Talking dimensions and weight, this model weighs 4000 lbs or 1814 kg has 59.06 inches [150 cm] (min) of width, 135 inches [342 cm] of length and 78.74 inches [199 cm] of height while maintaining a wheelbase of 74.4 inches [188 cm]. This tractor can fit ag tires of 6.00-16 front and 6.00-16 back or lawn tires of 27/9.5-15 front and 27/9.5-15 back . This John Deere 820 is powerd by a diesel engine it has 151.9 ci or 2.5 L 3 cylinders ,it can produce 32 hp or 23.9 kW at 2100 (rpm), the fuel tank capacity is 16.5 gal or 62.5 L. This machine has 4x2 2WD wheel drive system,8 forward and 4 reverse transmission system.