KENWORTH T800 · model year

2009 KENWORTH T800

2 NHTSA complaints, 1 crash report, and 19 active recalls for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2009KENWORTHT800 carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2009 T800 is electrical system with 1 filings, followed by unknown or other (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 19 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle, the full NHTSA campaign numbers are listed below.

NHTSA currently has 3 investigation files overlapping the 2009 T800. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page, a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

2
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

2 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM1
UNKNOWN OR OTHER1

Recalls (19)

09V23900030/06/2009

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 PROFILE SINGLE TIRES, AND AN AG400 OR AG460 REAR SUSPENSION, DUE TO ITS UNIQUE BRAKE CLOCKING AND CAM TUB

10V53500027/10/2010

SERVICE BRAKES, AIR:DISC:CALIPER

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 BRAKE CALIPER COULD BE INSTALLED ON THE WRONG SIDE OF THE DRIVE AXLE POTENTIALLY CAUSING INTERFERENC

08V43100025/08/2008

SERVICE BRAKES, AIR:DISC

PACCAR IS RECALLING 86 MY 2009 KENWORTH T660, T800, W900, AND PETERBILT 386, 365, AND 388 TRUCKS EQUIPPED WITH BENDIX FRONT AIR DISC BRAKES. THE SIZE 14 SERVICE CHAMBER OF CERTAIN FRONT AIR DISC BRAKES MAY HAVE BEEN CONTAMINATED WITH GREASE BETWEEN THE PISTON HEAD/PLATE AND THE DIAPHRAGM. WHEN BRA

08V48500024/09/2008

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 VEHICLES MAY DEVELOP AN INCREASE IN LATERAL AND VERTICAL AXLE MOVEMENT. THIS MOVEMENT MAY CAUSE PART OR

08V48700023/09/2008

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

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 PARTICULATE FILTER (DPF) BRACKET COULD RESULT IN SEPARATION OF THE DPF FROM THE CHASSIS.

24V14500023/02/2024

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

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, 2023 Kenworth T480, and 2009-2019 Kenworth W900 ve

11V12700023/02/2011

FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

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 PACCAR MX ENGINES. THE OIL MODULE CENTRIFUGAL SPINNER FILTER CAP IN THE PACCAR MX ENGINE MAY BECOME

08V48600022/09/2008

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

PACCAR IS RECALLING 263 MY 2008-2009 KENWORTH T800, W900 AND PETERBILT 365 AND 384 TRUCKS EQUIPPED WITH C7 OR C9 CATERPILLAR DIESEL ENGINES. THE FUEL PUMP OUTLET CHECK PLUG MAY BE CRACKED WHICH COULD CAUSE FUEL TO SPRAY AND LEAK.

09V41500021/10/2009

POWER TRAIN:AXLE ASSEMBLY

KENWORTH IS RECALLING MODEL YEAR 2009 THROUGH 2010 T2000, T800, T660 AND W900 TRUCKS MANUFACTURED BETWEEN NOVEMBER 12, 2008 AND SEPTEMBER 30, 2009. THE AXLE U-BOLTS ATTACHING THE AXLE TO THE SUSPENSION LEAF SPRING ON CERTAIN AG400L REAR SUSPENSIONS MAY HAVE RECEIVED INSUFFICIENT FASTENER TORQUE DUR

08V12800021/03/2008

PARKING BRAKE:CONVENTIONAL:AIR

PACCAR IS RECALLING 1,043 MY 2008-2009 KENWORTH C500, T2000,T660, T800 AND W900 TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLO

09V16600019/05/2009

SERVICE BRAKES, AIR:DISC

PACCAR IS RECALLING 140 MY 2005, 2007-2009 T800, W900, AND T660 TRUCKS. THE CALIPER MOUNTING FASTENERS ATTACHING THE AIR DISC BRAKE CALIPER ASSEMBLY TO THE TORQUE PLATE MAY HAVE RECEIVED INSUFFICIENT TORQUE DURING THE INSTALLATION PROCESS. THE INSUFFICIENT TORQUE MAY ALLOW THE AIR DISC BRAKE CALIP

13V57300018/11/2013

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 tag axle. The affected trucks have brake chambers that take longer to apply or release the brakes th

09V22900018/06/2009

POWER TRAIN:AXLE ASSEMBLY

KENWORTH IS RECALLING 9 MY 2009 T800S VEHICLES EQUIPPED WITH DANA FRONT AXLE. THE BRAKE SPIDER MOUNTING FASTENERS ATTACHING THE BRAKE SPIDER TO THE FRONT STEER AXLE FLANGE MAY HAVE RECEIVED INSUFFICIENT TORQUE DURING THE INSTALLATION PROCESS. THE INSUFFICIENT TORQUE MAY ALLOW THE BRAKE SPIDER FASTE

08V31400014/07/2008

SUSPENSION

KENWORTH IS RECALLING 1,189 MY 2009 T2000, T600, T660, T800 AND W900 TRUCKS. THE AXLE U-BOLTS ATTACHING THE AXLE TO THE DRIVE BEAM ON CERTAIN AG380 REAR SUSPENSIONS MAY HAVE RECEIVED INSUFFICIENT FASTENER TORQUE DURING THE INSTALLATION PROCESS.

08V10400010/03/2008

TRAILER HITCHES

PACCAR IS RECALLING 318 MY 2007-2009 KENWORTH T800, W900, AND PETERBILT 357, 365, 367, 378, 379, 384, 385, 386,388, AND 389 TRUCKS EQUIPPED WITH PREMIER TRAILER HITCH ASSEMBLIES. THE PINTLE HITCH ASSEMBLIES MAY HAVE BEEN MANUFACTURED IN A MANNER RESULTING IN A REDUCTION OF FATIGUE STRENGTH OF THE PI

09V25800008/07/2009

STEERING:COLUMN

PACCAR IS RECALLING 2,096 MY 2009 KENWORTH AND PETERBILT VEHICLES EQUIPPED WITH TRW STEERING SHAFTS. MISLOCATION OF A CIRCUMFERENTIAL WELD MAY ALLOW THE SPLINED TUBE AND NON-SPLINED TUBE TO ROTATE RELATIVE TO ONE ANOTHER DURING A LOW SPEED, HIGH TORQUE TURN, POSSIBLY RESULTING IN A SEPARATION OF TH

20V19900006/04/2020

ELECTRONIC STABILITY CONTROL (ESC)

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 with NAMUX Software. In the event that the Anti-lo

09V34800003/09/2009

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

PACCAR IS RECALLING MODEL YEAR 2008-2010 KENWORTH T300, T270, AND T370, MODEL YEAR 2009-2010 T800 AND PETERBILT MODEL YEAR 2008-2010 335, 340, AND 367 VEHICLES BUILT ON CUMMINS' DIESEL ENGINE. THE VEHICLES MAY BE DESIGNED WITH A HARD WIRED, DASH-MOUNTED SWITCH THAT ENABLES THE VEHICLE OPERATOR TO I

10V30800002/07/2010

STEERING:COLUMN

PACCAR IS RECALLING CERTAIN MODEL YEAR 2008-2010 TRUCKS EQUIPPED WITH TRW STEERING SHAFTS. THE CIRCUMFERENTIAL WELD AROUND THE STEERING SHAFT TUBE THAT WELDS THE SPLINED TUBE TO THE NON-SPLINED TUBE MAY BE MISLOCATED. MISLOCATION OF THE CIRCUMFERENTIAL WELD MAY ALLOW THE SPLINED TUBE AND NON-SPLIN

Recent Complaints

20100501UNKNOWN OR OTHER

I-65 SOUTH IMMEDIATELY PAST THE I-265 OFFRAMP. 55MPH ZONE DRIVING A SATURN 4 DOOR COMPACT @ 2250 HOURS IN THE RIGHT LANE. HAD ONE SEMI TAILGAITING BEHIND ME AND ANOTHER TO MY LEFT IN THE MIDDLER LANE. TRUCK FROM JWH TRANSPORT INC., ROME GA (706)234-4434 PULLING TRAIKER # 2325 WAS SPEEDING UP THE EXIT RAMP LANE TO MY RIGHT FORCEING ME AND THE SEMI TO MY LEFT AND BEHIND ME TO SUDDENLY CHANGE LANES TO THE LEFT AS THE EXIT LANE FINALLY RAN OUT . WITH OTHER TRAFFIC THIS COULD HAVE EASILY BEEN A 5 OR 6 VEHICLE COLLISSION. THE EXIT RAMP LANE THE SPEEDING TRUCK WAS IN WAS MARKED FOR THE PREVIOUS MILE THAT IT WAS ENDING AND TO MERGE TO THE LEFT. HAVE TO WONDER IF THIS DRIVER WAS UNDER THE INFLUENCE OR TO IMPAIRED FROM A LACK OF SLEEP TO EXECUTE THE PROPER JUDGEMENT THAT WOULD HAVE AVOIDED THE ENTIRE SITUATION. FOR ADDITIONAL INFORMATION I CAN BE CONTATCED AT [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

20090629CrashELECTRICAL SYSTEM

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 LIGHTS CEASED OPERATION. MORE IMPORTANTLY (AND THE REASON FOR THIS REPORT), WITH IMMEDIATE SHUTDOWN OF THE DIESEL ENGINE, ALL POWER ASSISTED STEERING CAPABILITIES ARE ELIMINATED. WITHOUT POWER ASSIST, A TRACTOR BECOMES DIFFICULT TO CONTROL, AND MAY RESULT IN A CRASH. WE INVESTIGATED JUST SUCH AN OCCURRENCE FOR ONE OF OUR CLIENTS. HISTORICALLY, OUR TRUCKING COMPANY CLIENT HAS NOW RECORDED TWO SUCH ELECTRICAL FAILURES WITH ONE RESULTING IN A CRASH

Mileage: 383,901

Compare 2009KENWORTHT800 to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 2009 KENWORTH T800 have?
The 2009 KENWORTH T800 has 2 NHTSA complaints, 1 crashes, 0 fires, 0 injuries, and 0 deaths reported.
Are there any recalls for the 2009 KENWORTH T800?
Yes, the 2009 KENWORTH T800 has 19 recall(s). The most common affected component is SERVICE BRAKES, AIR. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2009 KENWORTH T800?
The most-complained component for the 2009 KENWORTH T800 is ELECTRICAL SYSTEM with 1 complaints. Other frequently reported areas include UNKNOWN OR OTHER.
Is the 2009 KENWORTH T800 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.