Total Complaints
3 filings
KENWORTH T300 · model year
3 NHTSA complaints, and 5 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2007KENWORTHT300 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 2007 T300 is steering with 2 filings, followed by visibility:windshield (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. This model year has 5 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 3 investigation files overlapping the 2007 T300. 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.
Total Complaints
3 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| STEERING | 2 |
| VISIBILITY:WINDSHIELD | 1 |
POWER TRAIN:AXLE ASSEMBLY
ON CERTAIN TRUCKS, THE AXLE HOUSINGS MAY HAVE BEEN MANUFACTURED WITH STEEL THAT WAS OUT OF SPECIFICATION WHICH COULD RESULT IN A FATIGUE FAILURE OVER TIME.
ELECTRICAL SYSTEM
ON CERTAIN TRUCKS EQUIPPED WITH CUMMINS ISC OR PACCAR PX8 ENGINES, THE JUMPER WIRE BETWEEN THE GRID HEATER RELAY TO THE FUSE BLOCK HAS BEEN ROUTED IN SUCH A WAY THAT THE POTENTIAL EXISTS FOR IT TO RUB AGAINST THE RADIATOR SUPPORT.
POWER TRAIN:AUTOMATIC TRANSMISSION
ON CERTAIN TRUCKS, THE WIRING, PARTS, OR TRANSMISSION PROGRAMMING REQUIRED FOR THE AUTO NEUTRAL FEATURE TO FUNCTION AS DESIGNED WERE EITHER NOT INSTALLED, CONNECTED, OR PROGRAMMED PROPERLY.
FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
PACCAR IS RECALLING 36 MY 2007-2008 T270, T370 AND MY 207 T300 TRUCKS EQUIPPED WITH DUAL UNDER-CAB FUEL TANKS AND AN IN-CAB BATTERY BOX (ICBB). A HARNESS SUPPORT BRACKET MOUNTED ON THE UNDERSIDE OF THE CAB MAY COME IN CONTACT WITH THE FUEL LINE AT THE TOP OF THE FUEL SPLITTER VALVE.
SERVICE BRAKES, AIR
CERTAIN TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THE TRAILER LIGHT LINE MAY HAVE BEEN ROUTED USING TOO TIGHT OF A BEND RADIUS. THIS ROUTING METHOD COULD CAUSE THE WIRES WITHIN THE HARNESS PLUG TO BE PULLED AWAY FROM THE CHASS
TL*THE CONTACT OWNS A 2007 KENWORTH T300. WHILE DRIVING APPROXIMATELY 18 MPH, THE STEERING WHEEL LOCKED WHEN A LEFT TURN WAS MADE. THE CONTACT HEARD AN EXCESSIVELY LOUD NOISE AT THE TIME OF THE FAILURE. HE ALSO EXPERIENCED DIFFICULTY WITH THE STEERING WHEEL PULLING TOWARDS THE LEFT. AFTERWARDS, THE STEERING WHEEL RELEASED AND WAS OPERABLE. THE FAILURE OCCURRED WITHOUT PRIOR WARNING. THE FAILURE RECURRED ON FIFTEEN SEPARATE OCCASIONS. THE VEHICLE WAS TAKEN TO THE AUTHORIZED DEALER ON THREE OCCASIONS, BUT THE FAILURE PERSISTS. THE VEHICLE HAS BEEN TAKEN TO THE AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE VIN WAS UNKNOWN. THE FAILURE WAS MILEAGE 130,000 AND CURRENT MILEAGE WAS 149,615.
Mileage: 130,000
TL*THE CONTACT OWNS A 2007 KENWORTH T300. WHILE DRIVING APPROXIMATELY 18 MPH, THE STEERING WHEEL LOCKED WHEN A LEFT TURN WAS MADE. THE CONTACT HEARD AN EXCESSIVELY LOUD NOISE AT THE TIME OF THE FAILURE. HE ALSO EXPERIENCED DIFFICULTY WITH THE STEERING WHEEL PULLING TOWARDS THE LEFT. AFTERWARDS, THE STEERING WHEEL RELEASED AND WAS OPERABLE. THE FAILURE OCCURRED WITHOUT PRIOR WARNING. THE FAILURE RECURRED ON FIFTEEN SEPARATE OCCASIONS. THE VEHICLE WAS TAKEN TO THE AUTHORIZED DEALER ON THREE OCCASIONS, BUT THE FAILURE PERSISTS. THE VEHICLE HAS BEEN TAKEN TO THE AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE VIN WAS UNKNOWN. THE FAILURE WAS MILEAGE 130,000 AND CURRENT MILEAGE WAS 149,615.
Mileage: 130,000
TL*THE CONTACT OWNS A 2007 KENWORTH T300. WHEN THE CONTACT CLOSED THE DRIVER'S SIDE DOOR WHILE THE VEHICLE WAS PARKED, THE WINDSHIELD DETACHED FROM THE BODY STRUCTURE. THERE WAS NO WARNING PRIOR TO THE FAILURE. HE WAS VERY CONCERNED OF THE SAFETY RISK INVOLVED AND THE POSSIBILITY OF THE WINDSHIELD DETACHING WHILE THE VEHICLE WAS IN MOTION. THE VEHICLE HAS NOT BEEN REPAIRED. THE VIN WAS UNKNOWN. THE FAILURE AND CURRENT MILEAGES WERE 10,000. THE CONSUMER STATED THE DESIGN OF THE GASKET THAT WAS SUPPOSE TO HOLD THE GLASS TO THE TRUCK. THE WINDSHIELD WAS HELD IN PLACE BY A LARGE RUBBER GASKET. THE CONSUMER BELIEVED THE MANUFACTURER WAS LOOKING TO CUT INSTALLATION TIME AND COST WITHOUT DEVELOPING A NEW WINDSHIELD. UPDATED 07/15/08
Mileage: 10,000
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.