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#BS-2011-KENT66-48452011 Kenworth T660
Based on reports from 2 owners and 13 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 2 complaints, 0 crashes, 0 fires, and 13 recalls.
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Mechanic Inspection Checklist
1 owners reported brakes issues — failures commonly reported around 373K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Brakes (1 reports).
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Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2011 Kenworth T660: Known Issues & Problem Areas
Brakes Issues
Brakes complaints account for 50% of all reports filed for the 2011 Kenworth T660, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 373,000 miles, suggesting issues tend to surface around the 373K-mile mark.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (13 recalls)
EXTERIOR LIGHTING
KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T660, T800, W900, C500, T440, AND T470 VEHICLES MANUFACTURED FROM APRIL 1, 2009, THROUGH AUGUST 30, 2010. ONE OF THE FOUR HARNESS SPADE TERMINAL CONNECTIONS TO THE CHASSIS LOAD CENTER MAY BECOME COMPLETELY UNSEATED. A COMPLETELY UNSEATED CONNECTION MAY RESULT IN A POWER LOSS TO A PORTION OF THE VEHICLE'S EXTERIOR LIGHTING.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH AND PETERBILT VEHICLES. A MANUFACTURING DEFECT IN THE SEAL SUPPLIED BY A COMPONENT MANUFACTURER INSTALLED ON THE OUTPUT SHAFT OF THE EXHAUST GAS RECIRCULATION (EGR) VALVE ACTUATOR MAY CAUSE EVENTUAL DELAMINATION OF THE SEAL. DELAMINATION OF THE SEAL MAY ALLOW ENGINE OIL TO LEAK FROM THE EGR VALVE ONTO EXHAUST COMPONENTS.
SERVICE BRAKES, AIR:DISC:CALIPER
PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660, T700, T800 AND W900 VEHICLES MANUFACTURED FROM DECEMBER 22, 2008, THROUGH AUGUST 2, 2010, AND EQUIPPED WITH AG400L AIR DISC BRAKES. THE AIR DISC BRAKE CALIPER COULD BE INSTALLED ON THE WRONG SIDE OF THE DRIVE AXLE POTENTIALLY CAUSING INTERFERENCE WITH THE SUSPENSION BRACKET AND THE REAR SUSPENSION AS THE OUTERMOST BRAKE PADS WEAR AND THE FLOATING CALIPER MOVES INBOARD.
EQUIPMENT:OTHER:LABELS
PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660 AND T800 VEHICLES MANUFACTURED FROM SEPTEMBER 13, 2010, THROUGH NOVEMBER 19, 2010, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. PART 567, "CERTIFICATION." THE STEER AXLE GAWR AND GVWR RECORDED ON THE VEHICLE'S DOOR LABELS MAY BE INACCURATE AND OVERSTATE THE ACTUAL LOAD CAPACITY OF COMPONENTS INSTALLED ON THE VEHICLE.
LATCHES/LOCKS/LINKAGES:HOOD:LATCH
KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T660 AND T700 TRACTOR TRAILERS MANUFACTURED BETWEEN AUGUST 9, 2010, AND NOVEMBER 4, 2010. THE SAFETY LATCH FEATURE THAT KEEPS THE HOOD OF THE VEHICLE FROM CLOSING AFTER A USER OPENS THE HOOD MAY FAIL TO OPERATE.
+ 8 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 2 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 13 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Kenworth T660 Model Years
View all Kenworth T660 years →2011 Kenworth T660: Frequently Asked Questions
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10 sections of AI analysis based on 2 owner reports. Know before you buy.