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.
The 1986 Mack Rs600 has 1 NHTSA recall campaign affecting an estimated 1,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the tires. 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.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“1986 mack truck dunlop sp381 tire blew out in six months. *ts it was determined that the tire had manufacturing defects. The consumer was injured and the driver of the second vehicle was killed.”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1986 Mack Rs600 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.