John Deere produced its 3420 farm tractor model From 1970 Until 1975 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 7668 lbs or 3478 kg has , 161 inches [408 cm] of length while maintaining a wheelbase of 100.4 inches [255 cm] and a ground clearance of 13.4 inches [34 cm]. This tractor can fit ag tires of 7.50x18 front and 7.50x18 back . This John Deere 3420 is powerd by a diesel engine it has 302.7 ci or 5.0 L 6 cylinders ,it can produce 77 hp or 57.4 kW at 2500 (rpm), and has a torque of 221 lb-ft or 299.7 Nm at 1250 (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.