Recall 21V813 affects 209 2015-2020 Trail King Aacs and Acs trailers for cracking rear suspension beams. Repair is free at any franchised Trail King dealer.
Trail King is recalling 209 2015-2020 Aacs and Acs trailers because the rear sliding-axle suspension beams can contact the frame reinforcement and crack. If those beams loosen or detach from the frame bracket, crash risk increases; Trail King dealers will complete the recall repair free of charge.
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What's wrong?
The slide pan on 2015-2020 Trail King Aacs and Acs trailers is the metal plate structure that the rear sliding axle suspension attaches to. It supports the suspension hangers and keeps the axle group in the correct position under the trailer frame. When it is intact, the suspension load stays tied to the frame bracket instead of working the metal around the hangers.
On affected trailers, the rear sliding axle suspension beams can contact the frame reinforcement. Trail King traced the problem to fatigue from inadequate reinforcement at the front corner of the slider pan above the hangers. That repeated load can crack the slide pan; if the cracking keeps growing, the suspension beams can come loose or detach from the frame bracket.
The warning sign is cracking in the slide pan near the suspension hanger area. This is found during inspection, not from a dashboard light or a clear change in how the trailer tows.
Who's affected?
Spans the Aacs and Acs trailer lines across 2015-2020, with suspension and rear suspension components listed for each included year.
| 2019 Trail King Aacs | suspension component |
|---|---|
| 2019 Trail King Aacs | rear suspension |
| 2015 Trail King Aacs | suspension component |
| 2015 Trail King Aacs | rear suspension |
| 2019 Trail King Acs | suspension component |
| 2019 Trail King Acs | rear suspension |
| 2015 Trail King Acs | suspension component |
| 2015 Trail King Acs | rear suspension |
| 2018 Trail King Acs | suspension component |
| 2018 Trail King Acs | rear suspension |
| 2020 Trail King Acs | suspension component |
| 2020 Trail King Acs | rear suspension |
| 2020 Trail King Aacs | suspension component |
| 2020 Trail King Aacs | rear suspension |
| 2017 Trail King Acs | suspension component |
| 2017 Trail King Acs | rear suspension |
| 2017 Trail King Aacs | suspension component |
| 2017 Trail King Aacs | rear suspension |
| 2018 Trail King Aacs | suspension component |
| 2018 Trail King Aacs | rear suspension |
| 2016 Trail King Aacs | suspension component |
| 2016 Trail King Aacs | rear suspension |
| 2016 Trail King Acs | suspension component |
| 2016 Trail King Acs | rear suspension |
| Units affected | 209 |
| Field incidents | NHTSA has logged 12 field incidents to date. |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific trailer is included.
What's the safety risk?
Loose or detached suspension beams can affect trailer suspension support and increase the risk of a crash. The listed warning is a fatigue issue near the front slider pan corner above the hangers, which is not an easy roadside check. Schedule the recall repair soon. Repair is free at any franchised Trail King dealer.
What should I do?
- Check your VIN to confirm your 2015-2020 Trail King Aacs or Acs trailer is included in this recall.
- Contact a franchised Trail King dealer to schedule the free suspension reinforcement and crack inspection that keeps the rear sliding-axle suspension beams secured to the frame bracket.
- Bring the recall notice if Trail King mailed one. If not, reference recall number 21V813 and Trail King recall TK202105 when you call.
- Limit trailer use until the repair is complete; loose or detached suspension beams increase crash risk.
What happens at the repair
At the dealer, a Trail King technician adds reinforcements between the hanger and the slide pan, then inspects the rear sliding-axle suspension area for cracks and repairs any cracks found. Parts and labor are covered under the recall. Trail King has a general reimbursement plan on file for owners who paid for related repairs before the recall work was performed. If you already paid for this trailer suspension repair, contact Trail King customer service and ask how to submit repair documentation under that plan.
| Reimbursement | Reimbursement available |
|---|
Timeline
| October 15, 2021 | NHTSA published the recall |
|---|---|
| November 1, 2021 | Dealer notification began |
| November 8, 2021 | Interim owner notification (was planned for this date) |
| November 12, 2021 | Owner notification mailed |
| November 15, 2021 | Dealer notification ended |
Frequently asked questions
What is recall 21V813?
Recall 21V813 covers 209 2015-2020 Trail King Aacs and Acs trailers with rear sliding axle suspension beams that can contact the frame reinforcement and crack. Loose or detached suspension beams can increase crash risk. Trail King dealers will add reinforcements, inspect for cracks, and repair cracks for free.
What should I do if my 2015-2020 Trail King Aacs or Acs is on this recall?
Check your VIN to confirm your specific trailer is included in recall 21V813. If it is, contact a franchised Trail King dealer or Trail King customer service at 1-800-843-3324 to schedule the reinforcement and inspection work. Reference Trail King's recall number TK202105 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to perform the recall repair at no cost. Trail King dealers will add reinforcements between the hanger and slide pan, inspect the suspension beams for cracks, and repair cracks for free.
What is the safety risk with recall 21V813?
The risk is that cracked rear suspension beams can loosen or detach from the frame bracket. That can increase the risk of a crash. Until the repair is complete, confirm whether your VIN is included and ask Trail King or the dealer what towing or operating limits apply to your trailer.
What if I bought my Trail King trailer used?
The free recall repair still applies. Recall coverage follows the trailer, not the first owner. If you never received Trail King's mailed notice, check your VIN, then call a franchised Trail King dealer or Trail King customer service and reference recall 21V813.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/21V813000 |
|---|---|
| Trail King customer service | 1-800-843-3324 |
| NHTSA recall # | 21V813 |
| NHTSA recall # (full) | 21V813000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Quarterly Report (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Report (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →