Severity
Not classified by agency
No agency classActive
NHTSA recall · Reported July 8, 2026
PETERBILT 2026: SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE
PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake sys…
Peterbilt recalled PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenwor….
PETERBILT 2026: SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE was recalled by Peterbilt in July 8, 2026. Reason: PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. Th…. Remedy: Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected t…. Verify recall #26V442000 with the NHTSA before acting.
The recall
Peterbilt issued this NHTSA recall-PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. Th….
- None
- agency class
- July 8, 2026
- reported
Sourced from official NHTSA enforcement records. Verify recall #26V442000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This NHTSA action (record #26V442000) was formally reported on July 8, 2026. The NHTSA does not publish a hazard classification for its recalls, so this record carries no agency severity grade, with a current status of Active. Peterbilt is listed as the recalling firm. The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts.
The documented reason for this recall is: PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed,… The specific hazard cited in the filing is: An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.. Distribution data in the federal record shows the product reached: United States. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. The remedy documented by the agency is: Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore no owner notification letters are necessary. Owners may contact Peter… - consumers holding this product should act on that instruction rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls, 4 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Vehicles recalls over time
Where this recall sits in its category - 7,782 vehicles recalls on record
Affected scope
Unknown
Related Recalls
6
4 from same agency
Product description
PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Reason for recall
PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Hazard
An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.
Remedy, what to do
Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore no owner notification letters are necessary. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACC.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | National Highway Traffic Safety Administration |
| Severity class | Not classified by agency |
| Status | Active |
| Recall number | 26V442000 |
| Date reported | July 8, 2026 |
| Date initiated | July 8, 2026 |
| Recalling firm | Peterbilt |
| Affected scope | Not disclosed |
| Distribution | United States |
| Official source | NHTSA notice → |
Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.
What to do with this recall
Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore…
- Check the recall number (26V442000) and product description against the item you own. Search the archive
- Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
Frequently Asked Questions
What product was recalled? ▼
PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems.". Recalled by Peterbilt.
Why was this product recalled? ▼
PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
What should consumers do? ▼
Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore no owner notification letters are necessary. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACC.
Which agency issued this recall? ▼
This recall was issued by the NHTSA on July 8, 2026. NHTSA does not publish a hazard classification for this recall. Recall number: 26V442000.
Where was the recalled product distributed? ▼
Distribution: United States.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (26V442000) against your product. Visit the official NHTSA website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
How do I report an injury from a recalled product? ▼
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.
Nationwide recalls with similar severity or category timing
Two federal-filing-derived peer sets for this notice, both outside the same recalling firm and filing state so the neighborhoods are not firm or geographic containment.
Similar severity · nearest report date
Same archive severity grade, closest by report date among other firms and states.
Similar Vehicles · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: NHTSA, reported July 8, 2026. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.