VehicleVerdict

2004 Kenworth T300 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just one complaint on file for the 2004 Kenworth T300 — too few to judge reliability from owner reports alone — but 4 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

1

NHTSA complaints

4

Recalls

0

Investigations

0

Crash-involved

1

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2004 compare to other T300 years?

T300 NHTSA complaints by model year, 2004 highlighted3 complaints1996: 0 complaints1997: 0 complaints1998: 0 complaints1999: 0 complaints2000: 0 complaints2001: 2 complaints2002: 0 complaints2003: 0 complaints2004: 1 complaints2005: 1 complaints2006: 0 complaints2007: 3 complaints2008: 0 complaints2009: 0 complaints2010: 0 complaints
T300 NHTSA complaints by model year, 2004 highlighted. Red bars are years to avoid.

See all T300 years to avoid →

What are the most common 2004 Kenworth T300 problems?

ComponentComplaintsShare
Electrical System1100%

Does the 2004 Kenworth T300 have recalls?

4 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

07V107000TransmissionMarch 16, 2007 · 4,592 units

Defect

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.

Consequence

IF ANY OF THESE CONDITIONS EXISTS, THE TRANSMISSION WILL NOT AUTOMATICALLY SHIFT INTO NEUTRAL WHEN LEFT IN DRIVE WITH THE PARKING BRAKE SET ENGAGED. THE VEHICLE COULD MOVE WITHOUT WARNING INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL INSPECT THE AFFECTED VEHICLES TO ENSURE THE AUTO NEUTRAL FEATURE FUNCTIONS PROPERLY AND, IF NEEDED, WILL MAKE THE NECESSARY REPAIRS FREE OF CHARGE. THE RECALL BEGAN ON MAY 9, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

04V580000Electrical SystemDecember 10, 2004 · 4,322 units

Defect

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

Consequence

THIS COULD LEAD TO INTERMITTENT POWER LOSS AFFECTING THE ELECTRICAL SYSTEM AND POSSIBLY RESULT IN A FIRE.

Remedy

DEALERS WILL REPLACE THE HARNESS. THE RECALL BEGAN JANUARY 13, 2005. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.

04V406000EngineAugust 17, 2004 · 106 units

Defect

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

Consequence

THIS OIL LEAKAGE HAS THE POTENTIAL TO IGNITE AND CAUSE A FIRE IN THE ENGINE COMPARTMENT OF THE VEHICLE.

Remedy

CUMMINS WILL NOTIFY OWNERS AND ARRANGE FOR INSTALLATION OF A STEEL CUP PLUG BOSS CAP. OWNERS SHOULD CONTACT CUMMINS AT 1-800-343-7357.

04V169000EngineApril 2, 2004 · 2,586 units

Defect

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.

Consequence

IF THE BOLTS FAIL, THE COMPLETE HUB AND FAN ASSEMBLY COULD SEPARATE FROM THE ENGINE RESULTING IN EQUIPMENT DAMAGE AND/OR PERSONAL INJURY.

Remedy

DEALERS WILL INSTALL A NEW JOURNAL BRACKET. THE RECALL BEGAN MAY 11, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“FIRE INVOLVING 2004 KENWORTH T-300 TRACTOR. FIRE OCCURRED ON 01/15/05. YOUR RECALL NUMBER 04V580000 OF DEC 09, 2004 SHOULD APPLY TO THIS VEHICLE, BUT KENWORTH SAID THIS TRUCK DOES NOT BECAUSE THE VIN IS NOT ON THEIR LIST OF RECALLS. THIS FIRE STARTED AT THE FIREWALL WHERE THE RECALLED HARNESS…”

Complaint filed with NHTSA · Electrical System · January 15, 2005 · fire

2004 Kenworth T300 — common questions

Is the 2004 Kenworth T300 reliable?

The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 4 recalls should be verified as completed.

Does the 2004 Kenworth T300 have recalls?

Yes — NHTSA lists 4 recall campaigns affecting the 2004 Kenworth T300. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.