How many recalls does the 1978 Oshkosh S Series have?

The 1978 Oshkosh S Series has 1 NHTSA safety recall campaign on record.

How do I check if my 1978 Oshkosh S 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.

1978 Oshkosh S Series Recalls

Recalls on record Updated July 2026

The 1978 Oshkosh S Series has 1 NHTSA recall campaign affecting an estimated 176 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 6, 2026.

Recall campaigns

SUSPENSION 84V110000 1984-09-21 176 affected

Defect

THESE TRUCKS WERE EQUIPPED WITH DEFECTIVE HYDRAULIC PRESSURE SWITCHES IN THE LOAD SPAN TAG SYSTEM. WHEN A MALFUNCTION IN THIS SYSTEM OCCURS, AXLE TO PAVEMENT PRESSURE INCREASES WHEN VEHICLE IS OPERATED IN AN UNLOADED CONDITION.

Remedy

THE EXISTING CONTROL SWITCH WILL BE REPLACED WITH A THREE-POSITION SWITCH WHICH, BY USE OF A NEUTRAL POSITION, WILL PREVE NT PRESSURE BUILDUP. A NEW OPERATION LABEL WILL ALSO BE INCLUDED.

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 1978 Oshkosh S Series as of July 6, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.