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NHTSA campaign 21V501000

MAC Trailers Recall 21V-501: Steering Arm May Detach

NHTSA recall 21V501000 was reported by Mac Trailer Mfg., Inc. on July 1, 2021, with 53 vehicles potentially affected (per NHTSA). NHTSA's record lists the MAC Trailers Dump Trailer for model years 2017–2020. Owners were notified on September 7, 2021, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V501000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
21V501000 (also written 21V-501 or 21V501)
Filed by
Mac Trailer Mfg., Inc.
Report received
Potentially affected
53 vehicles (per NHTSA)
Component
Steering
Owners notified

Repair completion: 32.08% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 21V501000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

MAC Trailers

All MAC Trailers recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V501000.

Defect description

Mac Trailer Mfg., Inc. (Mac Trailer) is recalling certain 2017-2020 Dump trailers equipped with Ingersoll Smart-Steer self steer axles. The steering arm may detach from the steering knuckle during certain low-speed, high-side loading maneuvers.

Safety consequence

A detached steering arm may cause a loss of steering control. In addition, attachment hardware may fall and become a road hazard. Both of these scenarios can increase the risk of a crash.

Manufacturer remedy

Dealers will inspect the steering arm and apply welds, free of charge. Owner notifications were mailed on September 7, 2021. Owners may contact Mac Trailer customer service at 1-330-823-9900.

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.nhtsa.gov.

Sources

Official NHTSA notice for recall 21V501000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.