Total Complaints
3 filings
KENWORTH KENWORTH · model year
1999 KENWORTH KENWORTH
3 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999KENWORTHKENWORTH carries 3 consumer safety complaints 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.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 KENWORTH is power train:axle assembly:axle shaft with 1 filings, followed by tires (1) and engine and engine cooling:engine:gasoline (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 3 investigation files overlapping the 1999 KENWORTH. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
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
| Component | Count |
|---|---|
| POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT | 1 |
| TIRES | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 1 |
Recent Complaints
20020702ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CONSUMER STATES THE VEHICLES ENGINE DROPPED A VALVE. *YH
20000918TIRES
ABOUT A FOOT OF THE OUTER EDGE OF MY COMMERCIAL FRONT STEERING (OR DIRECTIONAL) TIRE HAS STARTED TO PEEL OFF AND DISAPPEAR FROM THE TIRE. *AK( DOT NUMBER: TIRE SIZE: 285/75R245 )
20000822POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
WE ARE RUNNING APPROXIMATELY 40 TRUCKS. ALL 97 THROUGH 2000 MODELS OF VARIOUS MAKES. WE HAVE HAD NUMEROUS FRONT WHEEL BEARING FAILURES FOR NO APPARENT REASON. THEY HAVE BEEN LIMITED TO PACCAR PRODUCTS, BOTH PETERBILT AND KENWORTH. WE HAVE HAD SEVERAL WHEELS RUN OFF OF THE TRUCK GOING DOWN THE ROAD. THIS IS A VERY SERIOUS SITUATION. WE NEED THE FACTORY TO GET INVOLVED. WE DO NOT WANT TO BE RESPONSIBLE FOR INJURING SOMEONE OR WORSE. *AK
Compare 1999KENWORTHKENWORTH to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1999 KENWORTH KENWORTH have?▼
The 1999 KENWORTH KENWORTH has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 KENWORTH KENWORTH?▼
The most-complained component for the 1999 KENWORTH KENWORTH is POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT with 1 complaints. Other frequently reported areas include TIRES and ENGINE AND ENGINE COOLING:ENGINE:GASOLINE.
Is the 1999 KENWORTH KENWORTH 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.
Vehicle Safety Guides
Data as of 2025. 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.
Read our methodology — how this data is sourced, computed, and verified.