How many recalls does the 1984 Marmon Hdt Series have?

The 1984 Marmon Hdt Series has 1 NHTSA safety recall campaign on record.

How do I check if my 1984 Marmon Hdt Series has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

1984 Marmon Hdt Series Recalls

Recalls on record Updated July 2026

The 1984 Marmon Hdt Series has 1 NHTSA recall campaign affecting an estimated 3,970 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

SERVICE BRAKES, HYDRAULIC 89V209000 1989-11-29 3,970 affected

Defect

NON-DOT "PUSH-ON" TYPE HOSES WERE USED IN CERTAIN ACCESSORY NON-BRAKE AIR SYSTEMS, WITHOUT ISOLATION OF THAT SYSTEM BY A CHECK VALVE, PRESSURE PROTECTION VALVE, OR OTHER MEANS OF SYSTEM SEPARATION.

Consequence

TRUCKS DO NOT COMPLY WITH FMVSS 106; THERE COULD BE ANUNCHECKED LOSS OF AIR PRESSURE IN THE BRAKES THAT COULD RESULT IN THE LOSS OFSERVICE BRAKES AND TRUCK CONTROL.

Remedy

INSTALL PRESSURE PROTECTION VALVE(S) IN THE AIR SYSTEM TO ISOLATE ALL ACCESSORY AIR LINES FROM THE BRAKE SYSTEM.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1984 Marmon Hdt Series as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.