The worst 2025 Kenworth W900 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 2
Fuel system, diesel: delivery: fuel pump
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth C500, T680, T800, T880, W900, W990, Peterbilt 567, 579, and 589 trucks, equipped with Cummins X15 diesel engines. The fuel pump barrels may fracture and cause a fuel leak, which can result in an engine stall.
- Risk
- An engine stall increases the risk of a crash.
- Remedy
- Dealers will replace the fuel pump barrels, free of charge. Owner notification letters were mailed November 15, 2024. Owners may contact Kenworth's customer service at 1‑425‑828‑5888 and Peterbilt's customer service at 1‑940‑591‑4220. Owners may also contact Cummins Customer Service at 812‑377‑5000. PACCAR's numbers for this recall are 24KWH and 24PBH.
Recall number 24V789000 · Recall details
Steering: linkages: tie rod assembly
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth K270, K370, L770, T280, T380, T480, T680, T880, W900, W990, 2025 Peterbilt 220, 520, 536, 537, 548, 567, 579, and 589 trucks. The tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to break.
- Risk
- A broken ball stud can cause a complete loss of steering control, increasing the risk of a crash.
- Remedy
- Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and replace the tie rod and drag link assemblies as necessary, free of charge. Owner notification letters were mailed August 6, 2024. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 24KWG and 24PBG.
Recall number 24V433000 · Recall details
Technical service bulletins for the 2025 Kenworth W900 15
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- This optional software update is expected to be available after 08/28/2026.
- The verbiage in the Introduction section has been updated.
- 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 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.
- Bogie Crossmember Torque Value Update
- EMY21-25 ghg
- Procedure pictures updated for clarity
Compare the 2025 Kenworth W900
Other model years
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Questions about the 2025 Kenworth W900
Is the 2025 Kenworth W900 reliable?
Owners have filed 0 complaints about the 2025 Kenworth W900.
What is the most common problem with the 2025 Kenworth W900?
There are not enough complaints to tell.
How many recalls does the 2025 Kenworth W900 have?
2 recalls, covering fuel system, diesel and steering.
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