Item Location: Mtn Grove,Mo Principal contact: Luke. John Deere 648H Grapple Skidder Pin: 1DW648HXTAD632929 6 cylinder diesel engine Hours: 16,543 116" Blade Unit has a engine miss. (Mechanic believes it to be an injector) Unit has a coolant leak. Could not get Unit to move. Was low on transmission and Hydraulic oil.