Tractor John Deere 4020 for sale Michigan – synchro trans 1971 model year. Drive: 2 WDHP: 95. Hours: 8502Cab: No Cab, Front Axle: 2WD, Transmission: Syncro, Guidance-ready: No, Guidance Receiver: No, Guidance Display: No, Rear Tires: Singles, Tire Width: Mid, Loader: No, Rear PTO: 540/1000, 2WD. Syncro