Campaign 18V-543

Fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractor

Defect summary

Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem trucks equipped with Jost fifth wheel couplings. The fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractor.

Consequence

If the trailer separates from the tractor, it can increase the risk of a crash.

Remedy

Mack will notify owners, and dealers will inspect the fifth wheel slider bracket, replacing it as necessary, free of charge. The recall began September 25, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0411.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Source: NHTSA ODI recalls file, campaign 18V543000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about trailer hitches on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 18V-543
Make	Model	Model years	Complaints on this component
Mack	Anthem (AN)	2019	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

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15V-139 Mar 11, 2015
Affected vehicles have a switch to release the fifth wheel latch that may invertently be pushed and cause the trailer to unintentionally…
11V-461 Sep 1, 2011
During the coupling process, it is possible for the driver to partially close the fifth wheel lock and if solely relying on a tug test (pull…
11V-209 Mar 31, 2011
There may be an interference with the bolts used to secure the fifth wheel to the frame that can prevent the bolts from being torqued to specification
07V-497 Oct 23, 2007
On certain trucks equipped with a saf holland simplex fifth wheel, the lever arm pivot bolt may have been over tightened
03V-219 Jun 16, 2003
On certain heavy duty trucks equipped with jost international jsk 37u series fifth wheels, a fatigue crack can develop in the bracket pin weld…