Structure:fifth wheel assembly
Defect Summary
The crosshead king pin forgings of the upper coupling assembly can crack, chip, or break off. This can cause coupler separation.
Safety Consequence
Coupler separation can result in the piggy-back trailerseparating from its towing vehicle and/or a rail car, resulting in a possiblevehicle accident.
Corrective Action
Replace defective king pins. Oshkosh will warrant the entire upper coupling assembly for ten years after inspection and repairs.
Similar Recalls
Other recalls from Oshkosh Corporation or involving Trailer Hitches.
FAQ: Recall 93V064000
Your rights, the repair process, and what each field on this page means.
What is recall 93V064000?
NHTSA recall 93V064000 was issued by Oshkosh Corporation on April 20, 1993. It addresses: Structure:fifth wheel assembly. The recall affects approximately 201 vehicles, with the defect involving the Trailer Hitches component.
How do I get this recall repaired?
Contact any authorized Oshkosh Corporation dealer and reference NHTSA recall ID 93V064000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.