Service bulletins for the 2017 Peterbilt 337
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
38 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Transmission and driveline are shown. Show all
| 11-001 | 2020-06-02. Service bulletin. POWER TRAIN. Information only: Hendrickson Softek front axle maintenance intervals and requirements. |
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| 26-031 | 2018-08-13. Service bulletin. POWER TRAIN. Non-Safety Campaign - Chassis with Eaton Manual or Ultrashift transmissions may experience loosening of the bellhousing bolts. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.