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Kenworth T660Years to avoid, problems & recalls

NHTSA has 7 owner complaints and 56 safety recalls on record for the Kenworth T660.

Years to avoidNoneBased on weighted complaintsBest years—Fewest complaints for their ageOwner complaints7Top: Engine and engine coolingSafety recalls562004–2020 model years

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports. Updated daily. How we score years.

Best & worst years

Kenworth T660 years to avoid

Complaints by model year, colored by the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the T660 median. Tap a year for its full report.

'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
2020Not rated–/1000 complaints · 1 recall2019Not rated–/1000 complaints · 5 recalls2018Not rated–/1000 complaints · 6 recalls2017Not rated–/1000 complaints · 6 recalls2016Not rated–/1000 complaints · 10 recalls2015Not rated–/1000 complaints · 11 recalls2014Not rated–/1001 complaint · 11 recalls2013Not rated–/1000 complaints · 6 recalls2012Not rated–/1001 complaint · 9 recalls2011Not rated–/1001 complaint · 13 recalls2010Not rated–/1002 complaints · 10 recalls2009Not rated–/1000 complaints · 17 recalls2008Not rated–/1002 complaints · 14 recalls2007Not rated–/1000 complaints · 8 recalls2006Not rated–/1000 complaints · 4 recalls2005Not rated–/1000 complaints · 4 recalls2004Not rated–/1000 complaints · 2 recalls
Complaints by system

Most common Kenworth T660 problems

All model years combined: 7 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine and engine cooling21
Electronic stability control (ESC)10
Engine10
Service brakes10
Service brakes, air10
Service brakes, hydraulic11
Steering10
Electrical system10
56 recalls

Kenworth T660 recalls

Newest first. The ring shows the share of affected vehicles repaired, from the manufacturer's latest report to NHTSA.

24%Supply: reservoir/tank24V-145 · 2009–2015 · Feb 23, 2024 · 936 vehicles38%Seat belts23V-717 · 2020 · Oct 26, 2023 · 3,841 vehicles56%Steering: critical fasteners22V-277 · 2018–2019 · Apr 25, 2022 · 17,641 vehicles27%Electronic stability control (ESC)20V-199 · 2008–2019 · Apr 6, 2020 · 460,515 vehicles75%Power train: clutch assembly18V-931 · 2018–2019 · Dec 21, 2018 · 25,556 vehicles–Engine: diesel18V-657 · 2017–2019 · Sep 21, 2018 · 48,896 vehicles58%Electrical system: wiring18V-555 · 2016–2019 · Aug 22, 2018 · 11,429 vehicles30%Electronic stability control (ESC)18V-368 · 2015–2018 · Jun 1, 2018 · 85,626 vehicles63%Steering17V-593 · 2016 · Sep 22, 2017 · 17,737 vehicles–Tires16V-803 · 2017 · Nov 4, 2016 · 202 vehicles–Ignition: module16V-426 · 2017 · Jun 10, 2016 · 3,227 vehicles–Ignition: module15V-597 · 2016 · Sep 24, 2015 · 354 vehicles

Showing the 12 newest of 56 recalls. Each model-year page lists all recalls for that year.

2 investigations

NHTSA investigations of the T660

  1. Driveshaft separates from tractorPE10029 · 2007–2009 · closed Dec 23, 2010
    Led to recall 10V-634
  2. Horton Fan Hub FailuresEA09008 · 2007–2008 · closed Aug 27, 2010
    No recall