Furthermore all rubber hoses, o-rings, bearings, bushings, seals, gaskets, freeze plugs, filters, thermostat, and belts are replaced. These engines include factory overhaul kits which include piston & liner kits, main bearings, rod bearings, seals, gaskets. Melton remanufactures these John Deere industrial engines to OEM factory specifications, using genuine John Deere parts. The 6068T John Deere mechanical engines are offered in a complete drop-in configuration. Optional 2 year/2000 hour warranty is available.