On certain heavy duty class 8 trucks equipped with holland air suspension systems, a transverse beam casting may fracture under normal loads. If a casting breaks when the vehicle is traveling on a roadway there is the potential for pieces of the casting to...
Suspension
Mack RD Suspension problems by year
2 complaints filed with NHTSA about the Mack RD's suspension. Broken springs, struts, control arms, ball joints, noises and alignment that won't hold.
Suspension complaints by model year
Suspension recalls
On certain heavy duty trucks equipped with dana spicer tandem drive axle models ds463, an undersized attachment weld may fracture without warning.
Vehicle description: class a heavy duty trucks with 18,000 lb. Front axles may have front springs installed that are rated for the 14,600 lb. Front axle.
Vehicle description: class 8 heavy duty truck chassis equipped with mack 16,000 lb., 18,000 Lb., Or 20,000 lb. Heavy duty steering axles. The inner wheel bearing cone for the steering axle wheel hub assembly does not properly fit onto the mack steering axle...
The steel brackets on the suspension beam were found to be deficient due to excessive shrinkage and low mechanical properties. Failure of one or both of these brackets could cause a separation of the axle housing from the suspension.
A casting deficiency exists in the lower section of the caps resulting in a reduction in the thickness of the material. Failure of a cap can allow the end of the rear spring to detach from the axle housing.
A deficiency exists in the welds securing the rear spring insulator bracket to the axle housing. This is due to improper positioning of the weld, in relationship to the bracket and axle housing. Failure of the welds would cause separation of the spring...
Latest RD suspension complaints
A report, "problems involving kentucky coal trucks" was submitted as a petition to the u. S. Department of transportation to the attention of the secretary mary e. Peters. This petition described fatal accident occurrences in kentucky during the time period 2001 through 2005 involving dump trucks, illegally licensed, that were overwidth and did not comply with federal motor carrier safety regulations. As of this date, august 4, 2008, no response has been received from the usdot. The accidents occurred...
Read the full complaint
because of insufficient brake capacity on mack rd888sx dump trucks. Tests performed on a new mack rd888sx vehicle loaded to legal kentucky weight limits established it was not possible to stop that truck within federal motor carrier safety requirements. At least 65 deaths occurred during the past five years were estimated to have occurred because of excessively loaded coal dump trucks. The incident data below dated march 7, 2005, relates to one incident in which a minister was killed. Civil action against the coal truck driver and the coal company resulted in a judgment against the defendants. No remedial action has yet been taken by agencies within the department of transportation nor has anyone from the dot responded to my march 7, 2008, letter and dated report of march 3, 2008. *Tr
Loose from the right side of the tandem suspension on a 2000 mack dump truck resulting in the truck turning over while dumping.***No answer required***. *Mr the trunion bracket and cross member assembly broke on three of the fleets other mack trucks (2000 mack rd688s). *Nm
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