Kenworth W900B: problems, complaints, bulletins
Summary for the Kenworth W900B across 5 model years: 0 owner complaints and 12 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 18 |
| Forward collision avoidance | 0 | 0 | 5 |
| Fuel/propulsion system | 0 | 0 | 5 |
| Powertrain | 0 | 0 | 2 |
| Other | 0 | 0 | 9 |
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Forward collision avoidance. Radar and camera: calibration after bumper or windshield replacement.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- "Kenworth
- This optional software update is expected to be available after 08/28/2026
- This optional software update is expected to be available in late August 2026 for chassis equipped with…
- This optional software update is expected to be available in late August 2026 for chassis equipped with…
- The verbiage in the Introduction section has been updated
- This optional software update is expected to be available on 08/07/26 for chassis equipped with EPA 2024…
- The attachment for Eaton bulletin TAIB-1015 has been updated to the latest version to improve process flow
- KW
- (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation
- Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values
- Procedure pictures updated for clarity
- Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis…
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.