John Deere 4850 Tractor, Diesel, 15 Speed Power Shift, MWFA, Cab H/AC, Radio, 3pt No Top Link, Big 1000 PTO, Dual Hydraulic Remotes, 520/85R42 Rear Tires, 18.4-26 Front Tires, New Back Rims And Tires This Spring, Rear Tires Are Fluid Filled,Undiagnosed Issue Where Power Derated, After Owner Drove Tractor For An Hour. Not Sure What The Issue Is But Owner Wants It Disclosed Hours: Shows 1,227