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#BS-2004-KENT80-174A2004 Kenworth T800
Based on reports from 3 owners and 12 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 3 complaints, 1 crashes, 2 fires, and 12 recalls.
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Mechanic Inspection Checklist
1 owners reported speed control issues — failures commonly reported around 240K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Speed Control (1 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
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Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2004 Kenworth T800: Known Issues & Problem Areas
Speed Control Issues
Speed Control complaints account for 33% of all reports filed for the 2004 Kenworth T800, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 240,000 miles, suggesting issues tend to surface around the 240K-mile mark.
Electrical Issues
Electrical complaints account for 33% of all reports filed for the 2004 Kenworth T800, with 1 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
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 (12 recalls)
ELECTRICAL SYSTEM:WIRING
CERTAIN TRUCKS EQUIPPED WITH EATON FULLER ULTRASONIC TRANSMISSIONS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE, STARTER INTERLOCK AND TRANSMISSION BRAKING EFFECT." THE CAB TRANSMISSION HARNESS COULD HAVE BEEN INCORRECTLY WIRED DURING PRODUCTION INSTALLATION.
EQUIPMENT:OTHER:LABELS
CERTAIN TRUCKS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 120, 'TIRE SELECTION AND RIMS FOR MOTOR VEHICLES OTHER THAN PASSENGER CARS.' THE TIRE PRESSURE WAS OMITTED FROM THE VEHICLE'S CERTIFICATION LABEL.
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
ON CERTAIN TRUCKS EQUIPPED WITH A COMBINATION OF CATERPILLAR C11/C13 ENGINES AND AN OPTIONAL LEECE NEVILLE BRUSHLESS ALTERNATOR, A CHAFFING POINT MAY EXIST BETWEEN A HEAT SHIELD ON THE ENGINE AND THE WIRING FOR THE ALTERNATOR.
POWER TRAIN:DRIVELINE:UNIVERSAL JOINT
ON CERTAIN TRUCKS BUILT WITH THE OPTIONAL DANA SPL DRIVELINE, THE U-JOINT FASTENERS AT THE OUTPUT YOKE OF THE TRANSMISSION WERE NOT PROPERLY TIGHTENED.
STRUCTURE
ON CERTAIN TRUCKS, SOME OF THE HUCK BOLTS ON THE CAB MAY NOT HAVE BEEN PROPERLY INSTALLED.
+ 7 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. 3 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 12 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Kenworth T800 Model Years
2004 Kenworth T800: Frequently Asked Questions
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10 sections of AI analysis based on 3 owner reports. Know before you buy.