Vehicle recall 78V075000 · April 4, 1978

1977 Trailmobile Trailmobile

Certain structural welds attaching the king pin to the king pin mounting structure may have been omitted or applied with poor welding techniques.

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

Summary: Certain structural welds attaching the king pin to the king pin mounting structure may have been omitted or applied with poor welding techniques. This could allow the king pin to loosen from it"s supporting structure.
Remedy: Dealer will inspect and rework the king pin mounting structure to ensure welding is secure, without charge to owner.
Notes: Vehicle description: semi-trailers, tandem axle.system: structure; king pin.consequences of defect: continued operation could lead to separation of thesemi-trailer from the towing vehicle under certain off road conditions orsevere braking applications. This could result in a vehicle accident.

Recall details

NHTSA campaign: 78V075000
Reported to NHTSA: April 4, 1978
Filed by: PULLMAN, INCORPORATED
Owner notification: March 27, 1978
Vehicles potentially affected: 265
Initiated by: the manufacturer
Components: Trailer hitches › Fifth wheel assembly

Recall 78V075000 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.

Trailmobile Trailmobile (1977): 1977

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