Total Complaints
6 filings
KENWORTH W900 · model year
1999 KENWORTH W900
6 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999KENWORTHW900 carries 6 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 2 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 W900 is service brakes, air with 2 filings, followed by tires (1) and structure:body:hood (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 W900. 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.
6
Complaints
0
Crashes
2
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 |
|---|---|
| SERVICE BRAKES, AIR | 2 |
| TIRES | 1 |
| STRUCTURE:BODY:HOOD | 1 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| VISIBILITY:WINDSHIELD | 1 |
Recent Complaints
20020514FireSERVICE BRAKES, AIR
WHILE DRIVING THE LEFT REAR TANDEM BRAKE LOCKED UP AND CAUGHT FIRE (OHIO TRAFFIC CRASH REPORT). NLM
20011127STRUCTURE:BODY:HOOD
FRAME RAIL UNDER HOOD FLEXES TOO MUCH. WHEN DRIVING VEHICLE HOOD COMES UP. WHEN DRIVING DOWN THE ROAD VEHICLE FEELS AS THOUGH ITS GOING TURN OVER WHEN CHANGING LANES. CONTACTED DEALER, AND DEALER WAS NOT DOING ANYTHING ABOUT PROBLEM.*AK CONSUMER STATED THAT NEW HOOD CRACKED AT THE SAME PLACE AND IS NOW FLEXING MORE, ALSO STRESS CRACKS IN RIGHT WINDSHIELD, CONSUMER STATES CONCERN WITH MOTOR MOUNTS. *TT
20011127ENGINE AND ENGINE COOLING:ENGINE
FRAME RAIL UNDER HOOD FLEXES TOO MUCH. WHEN DRIVING VEHICLE HOOD COMES UP. WHEN DRIVING DOWN THE ROAD VEHICLE FEELS AS THOUGH ITS GOING TURN OVER WHEN CHANGING LANES. CONTACTED DEALER, AND DEALER WAS NOT DOING ANYTHING ABOUT PROBLEM.*AK CONSUMER STATED THAT NEW HOOD CRACKED AT THE SAME PLACE AND IS NOW FLEXING MORE, ALSO STRESS CRACKS IN RIGHT WINDSHIELD, CONSUMER STATES CONCERN WITH MOTOR MOUNTS. *TT
20011127VISIBILITY:WINDSHIELD
FRAME RAIL UNDER HOOD FLEXES TOO MUCH. WHEN DRIVING VEHICLE HOOD COMES UP. WHEN DRIVING DOWN THE ROAD VEHICLE FEELS AS THOUGH ITS GOING TURN OVER WHEN CHANGING LANES. CONTACTED DEALER, AND DEALER WAS NOT DOING ANYTHING ABOUT PROBLEM.*AK CONSUMER STATED THAT NEW HOOD CRACKED AT THE SAME PLACE AND IS NOW FLEXING MORE, ALSO STRESS CRACKS IN RIGHT WINDSHIELD, CONSUMER STATES CONCERN WITH MOTOR MOUNTS. *TT
20011030FireSERVICE BRAKES, AIR
WHILE DRIVING THE LEFT REAR TANDEM BRAKE LOCKED UP AND CAUGHT FIRE (OHIO TRAFFIC CRASH REPORT). NLM
20001023TIRES
TIRES ARE WEARING OUT FAST, CONSUMER HAS PUT THREE SETS OF TIRES ON VEHICLE WITHIN THE LAST YEAR.*AK
Compare 1999KENWORTHW900 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1999 KENWORTH W900 have?▼
The 1999 KENWORTH W900 has 6 NHTSA complaints, 0 crashes, 2 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 KENWORTH W900?▼
The most-complained component for the 1999 KENWORTH W900 is SERVICE BRAKES, AIR with 2 complaints. Other frequently reported areas include TIRES and STRUCTURE:BODY:HOOD.
Is the 1999 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.
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.