NHTSA recall 93V064000
Trailer hitches › Fifth wheel assembly
Oshkosh Piggy-Back Trailer
Reported Apr 20, 1993201 vehicles affectedOSHKOSH TRUCK CORPORATIONBuilt Mar 1, 1992 – Jun 1, 1992
The defect
The crosshead king pin forgings of the upper coupling assembly can crack, chip, or break off. This can cause coupler separation.
The risk
Coupler separation can result in the piggy-back trailerseparating from its towing vehicle and/or a rail car, resulting in a possiblevehicle accident.
The remedy
Replace defective king pins. Oshkosh will warrant the entire upper coupling assembly for ten years after inspection and repairs.