The engine of the John Deere 6420 is able to produce 110 horsepower and 94.3 horsepower of PTO (power take off) at 2300 rpm. The engine can produce 326 foot pounds of torque at 1503 rpm and has 4 cylinders. The John Deere 6420 tractor engine displaces 276 cubic inches.
The John Deere 6420 tractor has 16 gears: 12 forward gears and 4 reverse gears. The pressure of the relief valve is 2900 psi. The flow capacity of the pump is 31.1 gallons per minute. The wheelbase is 7.9 feet.
The John Deere 6420 tractor weighs 10,064.1 pounds. The towing capacity of the hitch is 5,825 pounds. The front tires are 10-16 10PR F2 and the rear tires are 18.4-34 8PR R1.