repaired · 2025 Q4
Seat belts
Risk. An unsecured seat belt connection may not properly restrain an occupant during a crash, increasing their risk of injury.
2021 Kenworth W900Problems, recalls & complaints
NHTSA has logged 1 owner complaint about the 2021 Kenworth W900, most often about the unknown or other. It is covered by 3 safety recalls, and for recall 23V-717 the manufacturer reports only 38% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 20, 2024. Updated daily.
Complaints by system
Where the 2021 Kenworth W900 has problems
1 complaint grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2021 Kenworth W900 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2022 Q4
Engine
Risk. A detached flywheel can cause loss of drive power, increasing the risk of a crash.
repaired · 2022 Q2
Power train: axle assembly
Risk. The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Kenworth.
Best & worst years
2021 vs. every other W900 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the W900 median. How we score
'75'76'77'78'82'83'91'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'27
- Avoid
- Caution
- Solid
- Best
- Not rated
Own a 2021 W900?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.