Defect. THE CROSSHEAD KING PIN FORGINGS OF THE UPPER COUPLING ASSEMBLY CAN CRACK, CHIP, OR BREAK OFF. THIS CAN CAUSE COUPLER SEPARATION.
Risk. COUPLER SEPARATION CAN RESULT IN THE PIGGY-BACK TRAILERSEPARATING FROM ITS TOWING VEHICLE AND/OR A RAIL CAR, RESULTING IN A POSSIBLEVEHICLE ACCIDENT.
Remedy. REPLACE DEFECTIVE KING PINS. OSHKOSH WILL WARRANT THE ENTIRE UPPER COUPLING ASSEMBLY FOR TEN YEARS AFTER INSPECTION AND REPAIRS.