2009 Kenworth T800 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
19 distinct recall campaigns
383,901 mi median reported failure mileage
Scope: 2009 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 50.0% |
| Steering behavior | 1 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 1 |
| Unknown Or Other | 1 |
Electrical System: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 1 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 1
150,000 and above miles has the most reports with usable mileage (1). 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
2009: 1; 2010: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Steering behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10275222 · 2009-06-29 (June 29, 2009)
A TRACTOR UPDATE PROGRAM WAS INITIATED BY KENWORTH EARLY IN 2009 THAT INVOLVED THE 2008 T-800 TRACTORS. THE UPDATE REQUIRED THE INSTALLATION OF A 150 A "MEGAFUSE" INTO THE MAIN POSITIVE CONDUCTOR SUPPLYING ALL TRACTOR ELECTRICAL POWER (NOT TO THE STARTER MOTOR SOLENOID). SINCE THE "MEGAFUSE" WAS INSTALLED INLINE, OPENING OF THE FUSE EFFECTIVELY DE-ENERGIZED ALL ELECTRICAL COMPONENTS IN THE TRACTOR INCLUDING THE ELECTRONIC CONTROL MODULE (ECM) RESULTING IN IMMEDIATE ENGINE SHUT DOWN. FURTHER, ALL SIGNAL, WARNING, VISIBILITY AND HEAD LIGHT…
Owner-reported narrative. 383,901 miles reported. Look up ODI 10275222 at NHTSA ↗