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#BS-2004-KENT30-ECAE

2004 Kenworth T300

Based on reports from 1 owners and 4 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

🟢

Preliminary Verdict

Proceed with Caution

Based on 1 complaints, 0 crashes, 1 fires, and 4 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Electrical System:wiringHIGH

1 owners reported electrical system:wiring issues.

+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical System:wiring (1 reports).

Includes fuel costs, common repairs, and recall riskUnlock

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

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical System:wiring1 (100%)

2004 Kenworth T300: Known Issues & Problem Areas

Electrical System:wiring Issues

Electrical System:wiring complaints account for 100% of all reports filed for the 2004 Kenworth T300, with 1 owners filing complaints with NHTSA.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (4 recalls)

04V169000May 2004

ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

ON CERTAIN TRUCKS EQUIPPED WITH CATERPILLAR C7 OR 3126E 2002 ENGINES AND HORTON FAN HUBS, THE FAN HUB MOUNTING BOLTS CAN FAIL, RESULTING IN THE HUB AND FAN ASSEMBLY SEPARATING FROM THE ENGINE. THIS LOSS OF CLAMP LOAD CAUSES UNWANTED VIBRATION IN THE ASSEMBLY THAT LEADS TO BOLT FAILURE.

04V406000

ENGINE AND ENGINE COOLING

ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS AND CRACKS WHICH COULD CAUSE AN OIL LEAK.

04V580000Jan 2005

ELECTRICAL SYSTEM:WIRING

ON CERTAIN TRUCKS, THE POWER FEED HARNESS P92-1993 TERMINALS WERE NOT PROPERLY CRIMPED.

07V107000May 2007

POWER TRAIN:AUTOMATIC TRANSMISSION

ON CERTAIN TRUCKS, THE WIRING, PARTS, OR TRANSMISSION PROGRAMMING REQUIRED FOR THE AUTO NEUTRAL FEATURE TO FUNCTION AS DESIGNED WERE EITHER NOT INSTALLED, CONNECTED, OR PROGRAMMED PROPERLY.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 1 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Kenworth T300 Model Years

2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996

View all Kenworth T300 years →

2004 Kenworth T300: Frequently Asked Questions

What is the most common problem with the 2004 Kenworth T300?

The most commonly reported issue with the 2004 Kenworth T300 is related to the electrical system:wiring, with 1 complaints filed with NHTSA.

Is the 2004 Kenworth T300 reliable?

The 2004 Kenworth T300 has 1 complaints, 0 crash reports, and 1 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2004 Kenworth T300 problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2004 Kenworth T300 have any recalls?

Yes, the 2004 Kenworth T300 has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Kenworth T300 problems start?

Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.

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10 sections of AI analysis based on 1 owner reports. Know before you buy.

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