John Deere 8640. Serial Number: 8640H002068R. Rebuilt Transmission. Quad Range. New Injectors. 20.8-38 Tires. Inside Tires are NEW. Outside Tires VERY GOOD. Large 1000 PTO. 3 Hydraulic Outs. VERY NICE INTERIOR! Excellent Condition-Used to run grain cart. --THIS TRACTOR IS ALSO PLUMBED TO RUN AN AIRSEEDER--