Vehicle recall 78V230000 · October 20, 1978

1975-1977 Butler Highway Tank Trailers

The piston in the antilock valve could stick due to exposure to high concentrations of fluid contaminants that may collect in the trailer braking system.

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

Summary: The piston in the antilock valve could stick due to exposure to high concentrations of fluid contaminants that may collect in the trailer braking system. Consequently, no air would be delivered to the brake chambers normally supplied by that valve. This could result in a "no brake" condition on the affected axles. This constitutes a non-compliance to federal motor vehicle safety standard no. 121, "air brake systems".
Remedy: The defective valve will be replaced without charge.
Notes: Vehicle description: tank trailers.system: service brakes; antilock air valve.consequences of defect: loss of braking capability could result in a vehicleaccident.note: until the valve is replaced, any fluids should be drained from the brakesystem daily and fluids should not be added directly into the brake line.

Recall details

NHTSA campaign: 78V230000
Reported to NHTSA: October 20, 1978
Filed by: BUTLER MANUFACTURING
Vehicles potentially affected: 793
Initiated by: NHTSA’s Office of Defects Investigation
Components: Service brakes, air › Disc › Chamber

Recall 78V230000 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.

Butler Highway Tank Trailers (1975-1977): 1977, 1976, 1975

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