Kenworth T660 Problems by Year

Source: NHTSA · Updated Feb 26, 2024 · 7 owner complaints analyzed

NHTSA has 7 owner complaints and 56 safety recalls on file for the Kenworth T660, across 17 model years (2004–2020). The 2010 model year has the most complaints (2). The most reported problem area overall is engine and engine cooling.

Peak: 2008, with 2 complaints
2004: 0200402005: 002006: 0200602007: 002008: 2200822009: 002010: 2201022011: 112012: 1201212013: 002014: 1201412015: 002016: 0201602017: 002018: 0201802019: 002020: 020200

n = 7 complaints · Source: NHTSA

Kenworth T660 years to avoid? What the complaint data shows

No T660 model year stands out with more than twice the complaints of a typical year.

Model years with the most complaints

  1. 2010 T660: 2 complaints, 10 recalls
  2. 2008 T660: 2 complaints, 14 recalls
  3. 2014 T660: 1 complaint, 11 recalls

Complaint counts are not adjusted for how many cars were sold or how long each year has been on the road, so newer and less popular years naturally have fewer complaints. Use them to spot problem patterns, not as a safety ranking.

Most common Kenworth T660 problems (all years)

Problem areaComplaintsModel yearsCrashes
Engine and Engine Cooling211
Electrical System110
Electronic Stability Control (esc)110
Engine110
Service Brakes110
Service Brakes, Air110
Service Brakes, Hydraulic111
Steering110

All Kenworth T660 model years

Model yearComplaintsRecallsCrash ratingTop problemCompared with other years
2020 T66001——
2019 T66005——
2018 T66006——
2017 T66006——
2016 T660010——
2015 T660011——
2014 T660111—Electronic Stability Control (esc)
2013 T66006——
2012 T66019—Engine
2011 T660113—Service Brakes
2010 T660210—Service Brakes, Hydraulic
2009 T660017——
2008 T660214—Engine and Engine Cooling
2007 T66008——
2006 T66004——
2005 T66004——
2004 T66002——

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Frequently asked questions

Which Kenworth T660 years should you stay away from?

No year stands out at twice the typical count; the most complaints are for 2010 (2), 2008 (2), 2014 (1). Counts are not adjusted for how many cars were sold, and newer years have had less time to collect complaints.

What is the biggest problem with the Kenworth T660?

Engine and Engine Cooling, with 2 complaints across 1 model year.

How many recalls does the Kenworth T660 have?

56 safety recalls across all model years. Each model year page lists its recalls and fixes.