2011 Kenworth T800

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2011 Kenworth T800
RENDERED 2026-08-02T14:01:37.849Z

Only 1 complaint 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 1 complaint 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, 2011 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 2007: 1 complaints 2007 2008: 1 complaints 2009: 2 complaints 2010: 1 complaints 2011: 1 complaints 2011 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
2011: 1 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 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.

SERVICE BRAKES

1 of 1 total report mentions: service brakes.

Show complaint excerpts

BRAKE SHOE RETURN SPRING CLIP THAT WHEN IS UNSEATED OFF PROPER AREA, DROPS ONTO S-CAM SHAFT AND IN TURN CONTACTS WHEEL HUB ANBD CUTS INTO ALUMINUM WHEEL HUB. WAS CAUGHT BEFORE CUTTING ALL THE WAY THROUGHT WHEEL HUB ASSEMBLY.

NHTSA ODI report, 20151211

SAFETY TIMELINE

R 20100610 — service brakes, air

KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T270, T370, AND T800 TRUCKS MANUFACTURED FROM JANUARY 28 THROUGH MARCH 19, 2010, EQUIPPED WITH DV-2 AIR GOVERNOR CONTAINING PART NUMBER G90-1070-2111111 O

Remedy: KENWORTH WILL NOTIFY OWNERS AND REPAIR THE VEHICLES BY REPLACING THE BLANK PLUG WITH A BREATHER AND INSPECT FOR PROPER FUNCTION FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JUNE 10, 2010. OWNERS MAY C

Campaign 10V211000 — check if this car was fixed

R 20101029 — exterior lighting

KENWORTH IS RECALLING CERTAIN MODEL YEAR 2011 T660, T800, W900, C500, T440, AND T470 VEHICLES MANUFACTURED FROM APRIL 1, 2009, THROUGH AUGUST 30, 2010. ONE OF THE FOUR HARNESS SPADE TERMINAL CONNECTI

Remedy: DEALERS WILL INSPECT THE HARNESS AND RE-SEATING THE FEMALE CONNECTORS ON THE MALE SPADE TERMINALS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 29, 2010. OWNERS

Campaign 10V452000 — check if this car was fixed

R 20101029 — engine and engine cooling

PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH AND PETERBILT VEHICLES. A MANUFACTURING DEFECT IN THE SEAL SUPPLIED BY A COMPONENT MANUFACTURER INSTALLED ON THE OUTPUT SHAFT OF THE EXHAUST GAS RECIRC

Remedy: DEALERS WILL REPLACE THE EGR VALVE ASSEMBLY ON THE SUBJECT VEHICLES EQUIPPED WITH THE PACCAR MX ENGINE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 29, 2010. O

Campaign 10V453000 — check if this car was fixed

R 20101124 — service brakes, air

PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660, T700, T800 AND W900 VEHICLES MANUFACTURED FROM DECEMBER 22, 2008, THROUGH AUGUST 2, 2010, AND EQUIPPED WITH AG400L AIR DISC BRAKES. THE AIR DISC

Remedy: DEALERS WILL VERIFY THE CORRECT ORIENTATION OF THE BRAKE CALIPER AND PERFORM THE NECESSARY REPAIR FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 24, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828

Campaign 10V535000 — check if this car was fixed

R 20101217 — equipment

PACCAR IS RECALLING CERTAIN MODEL YEAR KENWORTH T660 AND T800 VEHICLES MANUFACTURED FROM SEPTEMBER 13, 2010, THROUGH NOVEMBER 19, 2010, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEH

Remedy: DEALERS WILL INSPECT AND REPLACE THE DOOR LABELS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON DECEMBER 17, 2010. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.

Campaign 10V601000 — check if this car was fixed

R 20110304 — fuel system, other

PACCAR IS RECALLING CERTAIN MODEL YEAR 2008-2012 KENWORTH T2000, T660, T700, T800, AND W900, AS WELL AS MODEL YEAR 2009-2012 PETERBILT 365, 367, 384, 386, 387, 388, 389, AND 587 TRUCKS EQUIPPED WITH P

Remedy: DEALERS WILL RE-TORQUE THE OIL MODULE FILTER CAP AND INSTALL A SECONDARY RETENTION DEVICE ON THE SECONDARY CENTRIFUGAL SPINNER FILTER CAP. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY R

Campaign 11V127000 — check if this car was fixed

R 20110330 — service brakes, air

PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T270/370, T440/T470, T800, T660, W900 AND C500 VEHICLES MANUFACTURED BETWEEN OCTOBER 18, 2010, AND JANUARY 28, 2011. CERTAIN CAST IRON SLACK

Remedy: DEALERS WILL INSPECT AND REPLACE THE SLACK ADJUSTER HOUSING AS NECESSARY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 30, 2011. OWNERS MAY CONTACT KENWORTH AT 42

Campaign 11V157000 — check if this car was fixed

R 20110822 — electrical system

PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T660, T700, AND T800 VEHICLES MANUFACTURED FROM APRIL 19, 2010, THROUGH MAY 13, 2011, AND MODEL YEAR 2008, 2010, AND 2011 PETERBILT 365, 367,

Remedy: KENWORTH AND PETERBILT DEALERS WILL UPDATE THE ENGINE SOFTWARE FOR THE AFFECTED CHASSIS. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 22, 2011. OWNERS MAY CONTAC

Campaign 11V380000 — check if this car was fixed

R 20140115 — service brakes

PACCAR is recalling certain model year 2007-2014 Kenworth T800 and W900 trucks manufactured March 22, 2006, through July 15, 2013 and equipped with Primaax tridem rear suspensions and a pusher and/or

Remedy: PACCAR will notify owners, and dealers will modify the air brake system, free of charge. The recall began on January 15, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's recall number is

Campaign 13V573000 — check if this car was fixed

R 20150612 — engine and engine cooling

PACCAR Incorporated (PACCAR) is recalling certain model year 2010-2016 Kenworth T440, T800, and W900 trucks manufactured August 31, 2009, to April 20, 2015, and 2008-2015 Peterbilt 320, 337, 348, 365, 382, and 384 trucks manufactured July 27, 2007,...

Remedy: Cummins will notify owners on behalf of PACCAR, and Cummins service centers will administer the repairs which include securing the ends of the 90-degree elbow and reprogramming the electronic control module (ECM) with software that can adjust the...

Campaign 15V309000 — check if this car was fixed

R 20150902 — visibility

PACCAR Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T270, T370, T440, T470, C500, C540, C550, T660, T800, W900, and 963 trucks manufactured November 1, 2010, to April 6, 2015.

Remedy: PACCAR is still developing and testing a remedy. The recall is expected to begin in July 2015. An interim letter was sent to owners on July 2, 2015. The recall began on September 2, 1015.

Campaign 15V271000 — check if this car was fixed

R 20200526 — electronic stability control (esc), service brakes, air

PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped...

Remedy: PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020.

Campaign 20V199000 — check if this car was fixed

R 20240812 — service brakes, air

PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470,...

Remedy: Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025.

Campaign 24V145000 — check if this car was fixed

BUY-SMART CHECKLIST

2011 Kenworth T800 — pre-purchase inspection

  • Test/inspect for service brakes issues (1 reports on file for this year).
  • Verify recall 10V211000 (service brakes, air) has been completed.
  • Verify recall 10V452000 (exterior lighting) has been completed.
  • Verify recall 10V453000 (engine and engine cooling) has been completed.
  • Verify recall 10V535000 (service brakes, air) has been completed.
  • Verify recall 10V601000 (equipment) has been completed.
  • Verify recall 11V127000 (fuel system, other) has been completed.
  • Verify recall 11V157000 (service brakes, air) has been completed.
  • Verify recall 11V380000 (electrical system) has been completed.
  • Verify recall 13V573000 (service brakes) has been completed.
  • Verify recall 15V309000 (engine and engine cooling) has been completed.
  • Verify recall 15V271000 (visibility) has been completed.
  • Verify recall 20V199000 (electronic stability control (esc), service brakes, air) has been completed.
  • Verify recall 24V145000 (service brakes, air) has been completed.

FAQ

Is the 2011 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 2011 Kenworth T800?

The most-reported component is service brakes, accounting for 100% of complaints on file.

How many recalls does the 2011 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.