0 John Deere 6420, Attachments Other, Tractor Axle - Front Wheel Assist, Used John Deere Tractor Axle - Front Wheel Assist The source equipment for this component: John Deere 6420 Tractor Available at Missouri Tractor Parts in Sikeston, MO. This component is currently still in the equipment and will need to be removed and inspected before completing as sale. Item ships via freight carrier, for a freight quote or additional information call 877-530-7720 to speak to a sales rep about this unit. Please reference number CP-3816. Applicable sales tax will be charged.