1968 John Deere Model 4020 Diesel Tractor, SN: T213R171327R, John Deere Turbo Diesel Engine, Synchro Range Transmission, 2,955 Hours on Meter, Wide Front, 3-oint, (2) Hydraulic Rear Remotes & (2) Hydraulic Sides, 18.4R34 Radial Tires with 9-Bolt Radial Hub Duals.