John Deere produced its 4420 farm tractor model From 1970 Until 1975 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 8283 lbs or 3757 kg has , 168.1 inches [426 cm] of length while maintaining a wheelbase of 100.4 inches [255 cm]. This tractor can fit ag tires of 7.50x18 front and 7.50x18 back . This John Deere 4420 is powerd by a diesel engine it has 328.9 ci or 5.4 L 6 cylinders ,it can produce 102 hp or 76.1 kW at 2500 (rpm), and has a torque of 259 lb-ft or 351.2 Nm at 1400 (rpm) the fuel tank capacity is 34.1 gal or 129.1 L. This machine has 4x2 2WD wheel drive system,8 forward and 2 reverse Syncro-Range transmission system.