Kenworth W900 · model year

2021 Kenworth W900

1 NHTSA complaints, and 3 recall campaigns listed for this cohort. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

Complaints
1
Recalls
3

The verdict

The 2021 Kenworth W900 posts top-1% complaint standing (fewest filings) among its own model-year siblings.

Top 0%
fewest complaints, own model years
3
recall campaigns

The 2021KenworthW900 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

The most frequently selected component label in reports for the 2021 W900 is unknown or other with 1 filings. Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause. This cohort has 3 NHTSA recall campaigns listed below. Enter a VIN in NHTSA's official recall lookup to determine whether a specific vehicle has an unrepaired recall.

NHTSA currently has 3 investigation files overlapping the 2021 W900. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.

1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
F
PlainCars Safety Score
0/100
2021 Kenworth W900

PlainCars' own composite of NHTSA NCAP crash-test ratings and rollover-risk assessment, each dimension normalized against the federal scale or the full national model-year corpus. Not an official NHTSA figure, and not a substitute for a specific vehicle's VIN-level recall check.

NHTSA Overall Rating N/A
Not rated
NHTSA New Car Assessment Program overall crash-test rating.
Front Crash N/A
Not rated
Frontal barrier crash-test rating.
Side Crash N/A
Not rated
Side barrier and pole crash-test rating.
Rollover Resistance N/A
Not rated
Static stability factor + dynamic rollover test rating.
Rollover Risk N/A
Not reported
NHTSA single-vehicle rollover probability, dynamic test.

Total Complaints

1 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
UNKNOWN OR OTHER1

Recalls (3)

23V71700026/10/2023

SEAT BELTS

PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T660, 2018-2024 Kenworth T800 and W900 vehicles. An additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connection.

20V50600026/08/2020

POWER TRAIN:AXLE ASSEMBLY

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough t

21V08000017/02/2021

ENGINE

PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

Recent Complaints

20240320UNKNOWN OR OTHER

Transmission issues

Compare 2021KenworthW900 to Similar Vehicles

NHTSA Investigations

Vehicle Safety Guides

Frequently Asked Questions

How many complaints does the 2021 Kenworth W900 have?
The 2021 Kenworth W900 has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
Are there any recalls for the 2021 Kenworth W900?
Yes, the 2021 Kenworth W900 has 3 recall(s). The most common affected component is SEAT BELTS. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2021 Kenworth W900?
The most-complained component for the 2021 Kenworth W900 is UNKNOWN OR OTHER with 1 complaints. Other frequently reported areas include various components.
Is the 2021 Kenworth W900 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.

Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2021 Kenworth W900; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.