2018 Kenworth T680 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
11 owner complaints analyzed
15 distinct recall campaigns
265,190 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 6 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 4 of 11 complaints (36.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 6 | 54.5% |
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 | 4 |
| Forward Collision Avoidance: Adaptive Cruise Control | 2 |
| Power Train | 2 |
| Seat Belts | 2 |
| Electrical System | 1 |
| Engine | 1 |
| Forward Collision Avoidance: Automatic Emergency Braking | 1 |
| Seats | 1 |
Service Brakes: 4; Forward Collision Avoidance: Adaptive Cruise Control: 2; Power Train: 2; Seat Belts: 2; Electrical System: 1; Engine: 1; Forward Collision Avoidance: Automatic Emergency Braking: 1; Seats: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 5 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 5
150,000 and above miles has the most reports with usable mileage (5). 5 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 |
|---|---|
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
2018: 2; 2019: 2; 2020: 1; 2021: 3; 2022: 1; 2023: 1; 2025: 1
Pattern summary
Service Brakes leads the component reports. Braking behavior 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 11112360 · 2018-07-19 (July 19, 2018)
THE MITIGATION SYSTEM CAUSES A 'HARD BRAKING' EVENT TO OCCUR. CAN BE TRIGGERED BY AN OVERPASS, CONSTRUCTION ZONES, TRUCK IN ANOTHER LANE, ETC. USUALLY OCCURS ON HIGHWAYS WHILE AT OUR TOP SPEED OF 65 MPH. IT WILL CAUSE A HARD BRAKE DOWN TO 45 MPH. CAN OCCUR DURING NIGHT OR DAYTIME.
Owner-reported narrative. 238,380 miles reported. Look up ODI 11112360 at NHTSA ↗
Owner report 11166776 · 2019-01-13 (January 13, 2019)
UNIT DRIVING ON FLAT ROAD, LEFT FRONT DRIVES STARTED SMOKING WHILE DRIVING ON INTERSTATE BRAKES NOT BEING APPLIED, DRIVER STOPPED AND BY THIS TIME THE FIRE HAD SPREAD THRU THE UNDER SIDE OF TRUCK AND TRAILER, TOTAL LOSS OF TRUCK, TRAILER AND LOAD, BELIVED TO BE HALDEX BRAKE CAN FAILURE LEAKING AIR AND CAUSING BRAKES TO DRAG AND START ON FIRE
Owner-reported narrative. 150,752 miles reported. Look up ODI 11166776 at NHTSA ↗