Mack MR600P Recalls & Complaints by Model Year

NHTSA lists 1 safety recall and 0 owner complaints across 2 model years of the Mack MR600P (1984–1985).

Pick your Mack MR600P model year

• 1984
• 1985

All Mack MR600P recalls (1)

Every NHTSA safety campaign that lists a Mack MR600P, most recent first, with the model years each one covers.

1. Hoses, lines/piping, and fittings (parking brake)

   NHTSA 85V159000 Reported November 26, 1985 3,308 vehicles potentially affected MACK TRUCKS, INCORPORATED

   The quick release valve support bracket mounted on the axle may crack. This causes fatigue failure of the steel air lines leading to the rear parking brakes and chassis service brakes resulting in sudden loss of air pressure. Consequence of defect: this sudden loss of air to the brake chambers will result in automatic actuation of rear…

   Remedy: Install a redesigned valve support bracket.

   Model years: 1984, 1985

Other Mack models

• Mack28 complaints
• Anthem (an)12 complaints
• Granite (gr)9 complaints
• CXU6127 complaints
• Ch6 complaints
• Gu6 complaints
• CH6005 complaints
• Cxu5 complaints

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.