2006 Kenworth T800

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2006 Kenworth T800
RENDERED 2026-08-02T14:01:46.320Z

Only 4 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 4 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Kenworth T800 Bar chart of distinct NHTSA complaints filed per model year, 2006 highlighted. 1987: 0 complaints 1987 1988: 0 complaints 1989: 0 complaints 1990: 0 complaints 1991: 0 complaints 1992: 0 complaints 1992 1993: 0 complaints 1994: 2 complaints 1995: 2 complaints 1996: 1 complaints 1997: 1 complaints 1997 1998: 1 complaints 1999: 4 complaints 2000: 1 complaints 2001: 1 complaints 2002: 0 complaints 2002 2003: 1 complaints 2004: 3 complaints 2005: 3 complaints 2006: 4 complaints 2006 2007: 1 complaints 2007 2008: 1 complaints 2009: 2 complaints 2010: 1 complaints 2011: 1 complaints 2012: 1 complaints 2012 2013: 0 complaints 2014: 0 complaints 2015: 0 complaints 2016: 1 complaints 2017: 0 complaints 2017 2018: 1 complaints 2019: 0 complaints 2020: 0 complaints 2021: 0 complaints 2022: 0 complaints 2022 2023: 0 complaints 2024: 0 complaints 2025: 0 complaints 2025
2006: 4 complaints
View as data table
YearComplaints
19870
19880
19890
19900
19910
19920
19930
19942
19952
19961
19971
19981
19994
20001
20011
20020
20031
20043
20053
20064
20071
20081
20092
20101
20111
20121
20130
20140
20150
20161
20170
20181
20190
20200
20210
20220
20230
20240
20250

KNOWN PROBLEM AREAS

Only 4 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

ELECTRICAL SYSTEM

3 of 4 total reports mention: electrical system.

FIRE
Show complaint excerpts

BOOSTER CABLE ROUTING AND CABLE MOUNTING ON 2002 KENWORTH FOUND TO BE CAUSE OF FIRE. *TR

NHTSA ODI report, 20100830

BOOSTER CABLE ROUTING AND CABLE MOUNTING ON 2002 KENWORTH FOUND TO BE CAUSE OF FIRE. *TR

NHTSA ODI report, 20100830

BOOSTER CABLE ROUTING AND CABLE MOUNTING ON 2006 KENWORTH FOUND TO BE CAUSE OF FIRE. *TR

NHTSA ODI report, 20100830

SERVICE BRAKES, HYDRAULIC

1 of 4 total reports mentions: service brakes, hydraulic.

SAFETY TIMELINE

R 20051207 — steering

ON CERTAIN TRUCKS EQUIPPED WITH THE BENDIX ELECTRONIC STABILITY CONTROL (ESP) SYSTEM, THE SYSTEM USES MULTIPLE SENSORS AND AN ELECTRONIC CONTROL UNIT (ECU) TO CONTROL VEHICLE UNDER STEER, OVER-STEER,

Remedy: BECAUSE OF THE IMMEDIATE AND SUBSTANTIAL RISK, KENWORTH AND PETERBILT DEALERS WILL FIRST DEACTIVATE THE YAW CONTROL FEATURE OF THE BENDIX ESP SYSTEM PREVENTING INADVERTENT ESP ACTIVATION. WHEN PARTS A

Campaign 05V543000 — check if this car was fixed

R 20060417 — engine and engine cooling

ON CERTAIN TRACTORS EQUIPPED WITH CATERPILLAR DIESEL ENGINES, THE VARIABLE VALVE ACTUATION OIL LINE MAY WEAR AGAINST THE SHARP EDGE OF THE CYLINDER HEAD IF NOT POSITIONED CORRECTLY.

Remedy: CATERPILLAR, IN CONJUNCTION WITH PACCAR, WILL BE CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN FREE OF CHARGE. OWNERS MAY CALL CATERPILLAR AT 309-675-6496, KENWORTH AT 425-828-5440,

Campaign 05V570000 — check if this car was fixed

R 20061009 — power train

ON CERTAIN TRUCKS EQUIPPED WITH CHALMERS REAR SUSPENSIONS, THE ADJUSTABLE TORQUE ROD END CASTINGS MAY BE BRITTLE. A BRITTLE ROD END CASTING MAY FRACTURE WITHOUT WARNING, CAUSING THE VEHICLES' REAR AX

Remedy: DEALERS WILL INSPECT THE VEHICLES TO DETERMINE IF THEY WERE MANUFACTURED WITH A SUSPECT TORQUE ROD END. IF A SUSPECT TORQUE ROD END IS FOUND, THE ENTIRE TORQUE ROD WILL BE REPLACED. THE RECALL BEGAN

Campaign 06V391000 — check if this car was fixed

R 20061129 — trailer hitches

ON CERTAIN TRUCKS, AN RA529 KING PIN RELEASE AIR VALVE WAS MANUFACTURED WITH THE INTERNAL SPOOL INSTALLED BACKWARDS. THIS RESULTS IN THE AIR OPTION OF THE KING PIN RELEASE SYSTEM BEING INOPERABLE. T

Remedy: KENWORTH WILL INSPECT THE KING PIN RELEASE SYSTEM AND SUSPECT VALVE. IF ANY VEHICLES HAVE A NONCONFORMING VALVE OR INCORRECT PLUMBING, IT WILL BE REPLACED AND RE-PLUMBED. THE RECALL BEGAN ON NOVEMBE

Campaign 06V461000 — check if this car was fixed

R 20070509 — power train

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.

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. OWNE

Campaign 07V107000 — check if this car was fixed

R 20070521 — service brakes, air

CERTAIN TRUCKS FAIL TO COMPLY WITH THE BRAKE TIMING REGULATORY REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THE BRAKE VALVE WAS MOVED TO THE OPPOSITE RAIL, INCR

Remedy: DEALERS WILL CONVERT THE SINGLE RELAY VALVE TO A DUAL RELAY VALVE SYSTEM FREE OF CHARGE. THE RECALL BEGAN ON MAY 21, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

Campaign 07V090000 — check if this car was fixed

R 20070904 — trailer hitches

ON CERTAIN TRUCKS, THE REMOVABLE TOW HITCH ,WHEN USED TO TOW OR LIFT A VEHICLE, CAN FAIL DUE TO DEFECTIVE MATERIAL IN THE TOW HITCH.

Remedy: DEALERS WILL REPLACE THE TOW PIN ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 4, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 OR PETERBILT AT 940-591-4201.

Campaign 07V269000 — check if this car was fixed

R 20071214 — engine and engine cooling

ON CERTAIN TRUCKS EQUIPPED WITH CATERPILLAR C11, C13 OR C15 ENGINES, THE OIL FILL CAP CAN BECOME DISLODGED DUE TO CAP DAMAGE OR IMPROPER INSTALLATION AND BECOME LODGED IN THE U-JOINT OF THE STEERING D

Remedy: PACCAR IS WORKING WITH CATERPILLAR TO REPAIR THESE VEHICLES. REVISED OIL CAP RETENTION BASED ON THE ENGINE MODEL/CONFIGURATION WILL BE INCORPORATED TO PREVENT STEERING LOCK-UP. THE RECALL BEGAN DURI

Campaign 07V279000 — check if this car was fixed

I 20080208 — PE (closed 20080505)

TRAILER LIGHT PLUG FAILURE

R 20080321 — service brakes, air

PACCAR IS RECALLING 130 MY 2005-2007 KENWORTH C500, T800, W900, AND PETERBILT MODELS 357 AND 379 TRACTOR TRAILERS EQUIPPED WITH FABCO SLACK ADJUSTERS ON SISU AXLES. THE SLACK ADJUSTERS MAY FAIL AS A

Remedy: DEALERS WILL INSPECT AND REPLACE THE SLACK ADJUSTERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 21, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

Campaign 08V099000 — check if this car was fixed

R 20080918 — engine and engine cooling

PACCAR IS RECALLING 4,883 MY 2006-2009 KENWORTH T600, T660, T800, W900, T2000 AND MY 2008-2009 PETERBILT 365, 367, 379, 384, 386, 387, 388 AND 389 TRUCKS. INADEQUATE STIFFNESS OF THE DIESEL PARTICULA

Remedy: PACCAR IS WORKING WITH CATERPILLAR TO REPAIR THESE VEHICLES (PLEASE SEE 08E041). OWNERS MAY CONTACT CATERPILLAR AT 1-800-447-4986 OR KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4196.

Campaign 08V487000 — check if this car was fixed

R 20090126 — suspension

PACCAR IS RECALLING 130 MY 2004-2009 T2000, T800, T600, W900 AND T660 KENWORTH TRUCKS BUILT WITH AN AG400 REAR SUSPENSION, LONG STROKE BRAKE CHAMBERS, AND WIDE BASE TIRES (SUPER SINGLES). THESE VEHIC

Remedy: DEALERS WILL INSTALL THE CAM TUBE SUPPORT BRACKETS ON ALL OF THE REAR AXLE WHEEL ENDS. INSPECT THE REAR AXLE BRAKE ASSEMBLY AND REPLACE IT IF CRACKED. THE RECALL IS EXPECTED TO BEGIN DURING NOVEMBER

Campaign 08V485000 — check if this car was fixed

I 20090227 — PE (closed 20090706)

REAR BRAKE AIR CHAMBER MTG BRACKETS

R 20090720 — service brakes, air

KENWORTH IS RECALLING 3,423 MY 2004-2009 T2000, T800,T600, W900 AND T660 VEHICLES. INCREASED BRAKE EXCITATION IN A CERTAIN VEHICLE CONFIGURATION WHICH INCLUDES BENDIX DRUM BRAKES, WIDE BASE LOW PROFI

Remedy: DEALERS WILL INSPECT THE REAR AXLE BRAKES ASSEMBLY, REPLACE CRACKED REAR AXLE BRAKES ASSEMBLY COMPONENTS WHERE REQUIRED, AND INSTALL CAM TUBE SUPPORT BRACKETS ON ALL REAR AXLE WHEEL ENDS FREE OF CHARG

Campaign 09V239000 — check if this car was fixed

R Date not on file — engine and engine cooling

ON CERTAIN EMERGENCY VEHICLES EQUIPPED WITH CUMMINS ISL CM850 DIESEL ENGINES, THE CONNECTING RODS WHICH TRANSFER ENERGY FROM THE PISTON TO THE CRANKSHAFT ARE DEFECTIVE AND CAN RESULT IN SEIZURE OF THE PISTON PIN.

Remedy: PACCAR IS WORKING WITH CUMMINS TO REPLACE THE CONNECTING RODS FREE OF CHARGE (PLEASE SEE 06E037). OWNERS MAY CONTACT CUMMINS AT 1-800-DIESELS OR KENWORTH AT 1-425-828-5440.

Campaign 07V467000 — check if this car was fixed

BUY-SMART CHECKLIST

2006 Kenworth T800 — pre-purchase inspection

  • Test/inspect for electrical system issues (3 reports on file for this year).
  • Test/inspect for service brakes, hydraulic issues (1 reports on file for this year).
  • Verify recall 07V467000 (engine and engine cooling) has been completed.
  • Verify recall 05V543000 (steering) has been completed.
  • Verify recall 05V570000 (engine and engine cooling) has been completed.
  • Verify recall 06V391000 (power train) has been completed.
  • Verify recall 06V461000 (trailer hitches) has been completed.
  • Verify recall 07V107000 (power train) has been completed.
  • Verify recall 07V090000 (service brakes, air) has been completed.
  • Verify recall 07V269000 (trailer hitches) has been completed.
  • Verify recall 07V279000 (engine and engine cooling) has been completed.
  • Verify recall 08V099000 (service brakes, air) has been completed.
  • Verify recall 08V487000 (engine and engine cooling) has been completed.
  • Verify recall 08V485000 (suspension) has been completed.
  • Verify recall 09V239000 (service brakes, air) has been completed.

FAQ

Is the 2006 Kenworth T800 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2006 Kenworth T800?

The most-reported component is electrical system, accounting for 75% of complaints on file.

How many recalls does the 2006 Kenworth T800 have?

13 recalls on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.