Recall 25V421 affects 2 2025 Supreme Wabash Truck vehicles for a seized liftgate pivot pin. Repair is free at any franchised Supreme dealer.
Supreme is recalling 2 2025 Wabash Truck vehicles equipped with Waltco ZS series slide liftgates because the cylinder pin in the slide liftgate can seize from insufficient lubrication. If the lift gate fails during operation, someone near the gate faces a higher injury risk, and the Supreme dealer repair is free.
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What's wrong?
The slide liftgate on the 2025 Supreme Wabash Truck is the rear platform that raises and lowers freight between the ground and the truck body. A hydraulic cylinder moves that platform, and the cylinder pivot pin is the metal pin that lets the cylinder rotate as the liftgate travels. The liftgate depends on that pin moving freely under load.
On affected trucks, the cylinder pivot pin did not get enough lubricant during manufacturing. With limited lubrication, the pin can seize inside its bore instead of rotating smoothly. Once that happens, the liftgate can fail during operation rather than lifting or lowering as intended. The remedy component includes a grease fitting and lubrication grooves, which are designed to keep lubricant where the pivot pin needs it.
There is no warning sign before failure. The recall information does not list a specific noise, light, or visible symptom that appears before the liftgate stops working correctly.
Who's affected?
| 2025 Supreme Wabash Truck | body structure |
|---|---|
| Units affected | 2 |
A matching year and model does not confirm inclusion. Check your VIN to confirm whether your specific truck is included.
What's the safety risk?
A lift gate that fails during operation can injure someone nearby. Keep people clear of the lift gate while it is being operated, and schedule the repair soon if your VIN is included. Repair is free at any franchised Supreme dealer.
What should I do?
- Check your VIN to confirm your 2025 Supreme Wabash Truck is included in this recall.
- Contact Supreme customer service at 1-844-352-4921 to schedule the free pivot-pin replacement with HIAB USA.
- Keep people clear of the liftgate during operation until the repair fixes the cylinder pin that can seize and cause liftgate failure.
- Bring the recall notice if you have it, and reference recall number 25V421 when you call.
What happens at the repair
At the dealer or service location, a Supreme technician works with HIAB USA on the Waltco ZS series slide liftgate and replaces the liftgate pivot pin. The repair addresses the pin seizure condition that can lead to liftgate failure. Parts and labor are covered under the recall, so the owner does not pay for the pivot pin replacement. Ask the service desk to confirm the liftgate repair is tied to recall 25V421 when scheduling.
Timeline
| June 19, 2025 | NHTSA published the recall |
|---|---|
| July 7, 2025 | Dealer notification began |
| September 8, 2025 | Owner notification mailed |
Frequently asked questions
What is recall 25V421?
Recall 25V421 covers 2 2025 Supreme Wabash Truck body vehicles equipped with Waltco ZS series slide liftgates. The cylinder pin in the slide liftgate can seize from insufficient lubrication, which can cause liftgate failure during operation and increase injury risk. Supreme will work with HIAB USA to replace the pivot pin for free.
What should I do if my 2025 Supreme Wabash Truck is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 25V421. If it is, contact Supreme customer service at 1-844-352-4921 to arrange the liftgate pivot pin replacement with Supreme and HIAB USA. Reference recall number 25V421 when you call. The repair is free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and Supreme will work with HIAB USA to replace the liftgate pivot pin free of charge. Parts and labor are covered for vehicles included in recall 25V421.
What is the safety risk?
The safety risk is injury during liftgate operation. If the cylinder pin seizes, the slide liftgate can fail while being used. Until the repair is complete, use care around the liftgate and keep workers or bystanders clear of the liftgate path during operation.
When were owner letters mailed for recall 25V421?
Supreme mailed owner notification letters on September 8, 2025. If you did not receive a letter, check your VIN to confirm whether your 2025 Supreme Wabash Truck is included, then call Supreme customer service at 1-844-352-4921 with recall number 25V421.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/25V421000 |
|---|---|
| Supreme customer service | 1-844-352-4921 |
| NHTSA recall # | 25V421 |
| NHTSA recall # (full) | 25V421000 |
Source documents
-
Download Quarterly Report (PDF) - Download Owner Notification Letter (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 19, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →