John Deere 8400R Wheel Tractor Price, Specs: John Deere 8400R Wheel Tractor is equipped with by in-line, 6-cylinder, wet-sleeve cylinder liners with 4 valves-in-head powerful Diesel engine, which generates 400 HP power at rated rpm 2100. John Deere 8400R Wheel Tractor comes with CommandView cab, Independent Link Suspension, and Closed-center, pressure, e23™ PowerShift with … [Read more...] about John Deere 8400R Wheel Tractor Price, Specs & Features