Kenworth T660
Owners filed 7 complaints across 17 model years of the Kenworth T660. The 2010 drew the most (2); the 2020 the fewest (0).
Model years17
Complaints7
Recalls137
Fires1
Deaths0
Every Kenworth T660 model year compared
Complaints per year| Year | Complaints | Relative volume | Recalls | Fires | Crashes | Most reported | Status |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 1 | — | — | — | Routine | |
| 2019 | 0 | 5 | — | — | — | Routine | |
| 2018 | 0 | 6 | — | — | — | Routine | |
| 2017 | 0 | 6 | — | — | — | Routine | |
| 2016 | 0 | 10 | — | — | — | Routine | |
| 2015 | 0 | 11 | — | — | — | Routine | |
| 2014 | 1 | 11 | — | — | Electronic Stability Control (esc) | Routine | |
| 2013 | 0 | 6 | — | — | — | Routine | |
| 2012 | 1 | 9 | — | — | Engine | Routine | |
| 2011 | 1 | 13 | — | — | Service Brakes | Routine | |
| 2010 | 2 | 10 | — | 1 | Service Brakes, Hydraulic | Routine | |
| 2009 | 0 | 17 | — | — | — | Routine | |
| 2008 | 2 | 14 | 1 | 1 | Engine and Engine Cooling › Engine › Diesel | Routine | |
| 2007 | 0 | 8 | — | — | — | Routine | |
| 2006 | 0 | 4 | — | — | — | Routine | |
| 2005 | 0 | 4 | — | — | — | Routine | |
| 2004 | 0 | 2 | — | — | — | Routine |
Which Kenworth T660 years should you avoid?
On raw complaint volume the 2010 is the weakest year on record, with 2 complaints concentrated in the service brakes, hydraulic. It carries 10 recalls.
Read these numbers with sales volume in mind. A model year that sold in huge numbers naturally accumulates more reports than a rare one, and older cars have had more years to fail. The stronger signal is the severity columns and whether the same component keeps coming up year after year.
Data: NHTSA complaint and recall files, September 2026. Complaints are unverified owner reports.