Defect
MINIMUM AIR RESERVOIR VOLUME CAPACITY IS LESS THAN REQUIRED BY FMVSS NO. 121.
Consequence
FAILURE TO MEET REQUIREMENTS OF FMVSS NO. 121.
Remedy
RETROFIT ADDITIONAL RESERVOIR CAPACITY TO ENSURE FULL COMPLIANCE WITH FMVSS NO. 121.
The 1984 Mack Rs600 has 1 NHTSA recall campaign affecting an estimated 1,000 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
MINIMUM AIR RESERVOIR VOLUME CAPACITY IS LESS THAN REQUIRED BY FMVSS NO. 121.
FAILURE TO MEET REQUIREMENTS OF FMVSS NO. 121.
RETROFIT ADDITIONAL RESERVOIR CAPACITY TO ENSURE FULL COMPLIANCE WITH FMVSS NO. 121.
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1984 Mack Rs600 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.