EnginePart report
2018 Kenworth T680 Engine Problems
- Complaints
- 1about this part
- Share
- 9%of 11 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2018 Kenworth T680, 9% of the 11 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11037541Sep 11, 2026"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR…
- 11037451Sep 5, 2026An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
- 11035111Jul 10, 2026The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.
- 11033916Jun 6, 2026The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.
- 11033373May 18, 2026Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for cross-division repair filing.
- 11032293Apr 17, 2026The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use…
- 11032284Apr 1, 2026EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.
- 11030922Mar 6, 2026EPA17-24 MX-13 Fuel Injector Connector - This bulletin has been revised to include EPA24 PACCAR MX-13 engines.
- 11028314Jan 31, 2026Procedure pictures updated for clarity. When troubleshooting Cummins X15 fault codes 555 or 556, follow this additional testing, inspection, and documentation procedure to help…
Engine: other model years
Other parts of the 2018 Kenworth T680
Brakes
4 complaintsForward collision avoidance
3 complaintsSeat belts
2 complaintsTransmission and drivetrain
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsTires
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
4 complaintsForward collision avoidance
3 complaintsSeat belts
2 complaintsTransmission and drivetrain
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsTires
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 Kenworth T680
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology