Vehicle recall 85V167000 · December 20, 1985

1983 Grumman Kurbmaster

The reinforcing plates were omitted from the trailer pin box assembly, which is used to hold the fifth wheel assembly to the trailer.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary: The reinforcing plates were omitted from the trailer pin box assembly, which is used to hold the fifth wheel assembly to the trailer. Consequence of defect: a fatique failure off the pin box allow the fifth wheel assembly to separate from the trailer. Therefore, the trailer will fall off the towing truck and roll uncontrolled on the roadway. This may cause an accident.
Remedy: Replace the pin box assembly if reinforcement plates are missing.
Notes: System:reinforcement plates, fifth wheel. Vehicle description:fifth wheel trailers designed to be pulled behind a fordf series pickup truck.

Recall details

NHTSA campaign: 85V167000
Reported to NHTSA: December 20, 1985
Filed by: GRUMMAN ALLIED IND., INC.
Owner notification: December 16, 1985
Vehicles potentially affected: 218
Initiated by: the manufacturer
Components: Trailer hitches › Fifth wheel assembly

Recall 85V167000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Grumman Kurbmaster (1983): 1983

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