Tractor John Deere 4020 for sale in Missouri 1972 model year. One family owned tractor was my fathers best friend’s tractor. The motor was overhauled, new clutch and brakes all done 1234 hours ago Has M&W Oil Pan, extra capacity for longer life was put on when new Has M&W Turbo Air Cleaner, also put on when new to prolong the life of the tractor 18.4 x 38 Goodyear Radial 60%, 9 bolt duals about 20% 1100 x 16 3 rib front 30% 1000 x 16 4 rib front 30% Over 8000.00 spent on this tractor 1235 hours ago 2 hydraulic outlets Block heater Starts and runs fine, No blow by No oil leaks Total hours are about 4000