The carrier yoke bolts were manufactured with worn rolling thread dies, causing stress concentrations which caused cracks during the quenching process.
Equipment & accessories
Mack RB Equipment problems by year
0 complaints filed with NHTSA about the Mack RB's equipment & accessories. Trailer hitches, mobility equipment, accessories and aftermarket parts.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data