MACK CAMPAIGN NO N/A.TRUCK.JULY 7 1972 THRU AUG.31 1972.POSSIBILITYTHAT THE EQUALIZER BEAM ASSEMBLY MAY DEVELOP CRACKS IN THE HENDRICKSONSUSPENSION.IF THIS CONDITION EXISTS IT COULD RESULT IN ULTIMATE BEAM FAILUREAND POSSIBLE LOSS OF VEHICLE CONTROL.(CORRECT BY INSPECTING AND REPLACE WHERENECESSARY.)
1972 Mack R773st Recalls
Recalls on record Updated July 2026
The 1972 Mack R773st has 1 NHTSA recall campaign affecting an estimated 88 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
Recall campaigns
Defect
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 1972 Mack R773st as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.