Kenworth T680 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
75 owner complaints analyzed
60 distinct recall campaigns
254,364 mi median reported failure mileage
Scope: 2011 to 2027 model years. Data snapshot: . 49 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 20 of 75 complaints (26.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 28 | 37.3% |
| Steering behavior | 8 | 10.7% |
| Transmission and shifting | 6 | 8.0% |
| Electrical and battery issues | 4 | 5.3% |
| Fuel system concerns | 4 | 5.3% |
| Engine operation | 1 | 1.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Service Brakes | 20 |
| Power Train | 17 |
| Visibility/Wiper | 8 |
| Electrical System | 7 |
| Engine | 7 |
| Fuel/Propulsion System | 5 |
| Unknown Or Other | 5 |
| Vehicle Speed Control | 5 |
Service Brakes: 20; Power Train: 17; Visibility/Wiper: 8; Electrical System: 7; Engine: 7; Fuel/Propulsion System: 5; Unknown Or Other: 5; Vehicle Speed Control: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 5 |
| 150,000 and above | 35 |
Under 25,000: 5; 25,000 to 49,999: 3; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 5; 150,000 and above: 35
150,000 and above miles has the most reports with usable mileage (35). 26 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 14 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 5 |
2016: 2; 2017: 8; 2018: 14; 2019: 7; 2020: 7; 2021: 4; 2022: 7; 2023: 5; 2024: 11; 2025: 5; 2026: 5
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 28 complaint narratives. Steering behavior appears in 8 complaint narratives. Transmission and shifting appears in 6 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10958529 · 2017-03-03 (March 3, 2017)
THIS TRUCK IS A MISBUILD FROM THE FACTORY ON THE BRAKE SYSTEM PLUMBING. I AM CONCERNED OTHER UNITS MAY ALSO HAVE BEEN BUILT WRONG. THE TRACTION CONTROL LOCKS UP THE FRONT DRIVE AXLE BRAKES WHEN THE TRUCK SPINS A TIRE AND KILLS THE ENGINE CAUSING DAMAGE TO THE DIFFERENTIAL AND LOSS OF CONTROL OF THE VEHICLE. I HAVE IDENTIFIED THAT THE SERVICE BRAKE AIR LINES ARE HOOKED UP INCORRECTLY FROM THE FACTORY, NOT GOING THROUGH THE ABS MODULATOR VALVE. THIS ALLOWS FULL BRAKE APPLICATION TO THE FRONT DRIVE AXLE SERVICE BRAKES WHEN THE TRACTION C…
Owner-reported narrative. 65,547 miles reported. Look up ODI 10958529 at NHTSA ↗
Owner report 11450487 · 2022-02-04 (February 4, 2022)
This Truck Was Park. The Paccar Engine MX13 and Chassis Harness from the Driver Side Shortaged, causing a Fire in the back of the engine and ABS Harness under the Steering Shaft. Plástic and Rubber wire insulation Melted with the fire causing it to drip on top of the water seperator cap which resulted in a fuel flame that caused even more damage throughought the outstanding components. This problem could've resulted in total loss of the unit.
Owner-reported narrative. Look up ODI 11450487 at NHTSA ↗
Owner report 10854057 · 2016-04-07 (April 7, 2016)
THE TIE ROD END DISCONNECTED FROM THE SHAFT, THERE HAS BEEN NO WORK DONE TO THE STEERING SINCE NEW. THE PICTURES SHOW THAT THE DIRT ON THE SHAFT HAS NOT BEEN DISTURBED THEREFORE THIS IS A MANUFACTURER DEFECT AND HAS NOT BEEN TAMPERED WITH AT ALL. THE VEHICLE WAS MOVING AT SLOW SPEED IN A PARKING LOT. THIS COULD HAVE BEEN A MAJOR EVENT AT HIGHWAY SPEED. I HAVE CONTACTED THE MANUFACTURER. THIS TRUCK HAS HAD REGULAR SERVICE MOST RECENT BEING MARCH 12TH, NO SIGN OF THE DEFECT WAS NOTICED AT THAT TIME AND THIS PART WAS INSPECTED. AS YOU SEE FROM THE…
Owner-reported narrative. 595,000 miles reported. Look up ODI 10854057 at NHTSA ↗
Owner report 11220806 · 2019-06-18 (June 18, 2019)
A VIBRATION IS FELT DURING WARM UP AND BECOMES VERY NOTICEABLE AFTER SHIFTING INTO 8TH GEAR. IF THE AIR COMPRESSOR KICKS IN WHILE THE ENGINE IS BELOW 1300 RPMS THIS ALSO INCREASES THE VIBRATION , AGAIN REAL BAD SHIFTING INTO 8TH AND AIR COMPRESSOR RUNNING .NOTE: I JUST BOUGHT THIS TRUCK FROM KENWORTH SALES COMPANY , SALT LAKE CITY, UT I AINT EVEN PUT 2,000 MILES ON THE TRUCK, WHAT KINDA OF DECEITFUL ETHICS VIOLATIONS ARE PRACTICED FROM THIS DEALERSHIP?
Owner-reported narrative. 480,050 miles reported. Look up ODI 11220806 at NHTSA ↗
Owner report 11120375 · 2018-08-16 (August 16, 2018)
REPAIRED FOR TRACTOR BROKE DOWN WHILE DRIVING DOWN INTERSTATE COMPLAINT OF TRACTOR WILL NOT MOVE ROAD CALL FOR TRANSMISSION COMPLAINT NOT SHIFTING FOUND NOT A TRANS PROBLEM AND THAT BRAKES LOCKED UP WHILE IN DRIVING LANE, PINCHED OFF LINES TO GET TRUCK OUT OF TRAFFIC, REPLACED LEFT REAR HALDEX BRAKE CAN FOR LEAKING AIR CHECKED FOR FLAT SPOTS ON TIRE OK
Owner-reported narrative. 146,811 miles reported. Look up ODI 11120375 at NHTSA ↗
Owner report 11099334 · 2018-06-02 (June 2, 2018)
BUNK WIRING HARNESS IS SHORTING OUT CAUSING TRUCK TO NOT BE ABLE TO SHUT OFF WITH THE KEY....AND ALSO CAUSING PROBLEMS WITH THE DEF SYSTEM....SHOPS ARE TELLING US THAT THERE ARE TRUCKS BURNING DOWN FROM THIS FAULTY HARNESS...AND THERE HAS BEEN A RECALL FOR THIS BUT KENWORTH IS NOT FIXING THIS HARNESS AND EXPECTS THE OWNER TO FIX IT ....
Owner-reported narrative. 500,000 miles reported. Look up ODI 11099334 at NHTSA ↗
Owner report 11165381 · 2019-01-05 (January 5, 2019)
TAKATA RECALL MHC KENWORTH HAS REPLACED OR CORRECTED THE DRIVERS LOW BEAM LIGHT 5 TIMES, 3 FOR FEE AND 2 AS A COST TO MY BUSINESS. THE THIS HEADLIGHT CONTINUES TO MALFUNCTION AND THE LIGHT BULB IS NOT EVEN BLOWN. THE DASHBOARD LIGHTS GOES PITCH BLACK DARK. THE ORANGE ENGINE OUTLINE COMES ON EVERY SINGLE TIME THE MALFUNCTION OCCURS. THIS IS NOT SAFE AND WE CANNOT CONTINUE DRIVING THIS TRUCK LIKE THIS. THE TRUCK CONTINUES TO MISFIRE AFTER THE WARRANTY COVERED THE INJECTORS REPLACEMENT. SOME TIMES THE ENTIRE ELECTRICAL SHUT DOWN IN THE TRUCK. I N…
Owner-reported narrative. 669,842 miles reported. Look up ODI 11165381 at NHTSA ↗
Owner report 11315835 · 2020-03-03 (March 3, 2020)
APPARENTLY THERE IS A FAILURE OF THE FUEL PUMP IN MOST MODELS OF THIS CUMMINS ISX15 MOTOR, THA WHEN IT DOES FAIL, SHUTS THE TRUCK DOWN ON HIGHWAY, OR WORSE, LIK EIT DID TO ME....SEND METAL SHAVINGS INTO THE REST OF THE MOTOR DESTROYING THE MOTOR. THERE HAVE BEEN RECALLS FOR CERAMIC PLUNGERS, WHICH I DON'T HAVE...AND RECALLS ON MANY YEARS THIS MODEL WAS MANUFACTURED. I HAVE AN EXTENDED MAJOR COMPONENT WARRANTY THAT CUMMINS WILL NOT HONOR SINCE THE FUEL PUMP FAILURE IS NOT COVERED.....DEALER HAS WITNESSED MANY FAILURES OF THE FUEL PUMPS AND N…
Owner-reported narrative. 592,000 miles reported. Look up ODI 11315835 at NHTSA ↗
Owner report 11219663 · 2019-06-13 (June 13, 2019)
MY 2015 KENWORTH T680 FROM WHAT I WAS TOLD BY THE DEALER SHOP HAS A DEFECTIVE FUEL PUMP THAT CAUSING THE ENGINE OF MY TO STALL IN THE MIDDLE OF THE HIGHWAY ALMOST CAUSED ME A TERRIBLE ACCIDENT, BUT THE MANUFACTURER REFUSED TO TAKE RESPONSIBILITY SO I AM PLACING THIS COMPLAINT TO SEE IF I CAN GET ANY ASSISTANCE, THANKS.
Owner-reported narrative. 20 miles reported. Look up ODI 11219663 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 13 |
| 2014 | 13 |
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 11 |
| 2018 | 15 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 2 |
| 2027 | 3 |
2011: 2; 2012: 2; 2013: 13; 2014: 13; 2015: 11; 2016: 16; 2017: 11; 2018: 15; 2019: 9; 2020: 8; 2021: 7; 2022: 10; 2023: 9; 2024: 7; 2025: 9; 2026: 2; 2027: 3