FaultScore

Kenworth T800 problems

Owners have filed 49 complaints about the Kenworth T800 with NHTSA across model years 1994 to 2018. More of them are about the electrical system than anything else.

Every Kenworth T800 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

94 95 96 97 98 99 00 01 03 04 05 06 07 08 09 10 11 12 16 18
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2018 1 0 0 Other & Unspecified
2016 1 1 0 Tires
2012 1 0 0 Windows, Mirrors & Wipers
2011 1 0 0 Brakes
2010 1 0 1 Other & Unspecified
2009 2 1 0 Electrical System
2008 2 0 0 Fuel & Propulsion
2007 1 0 0 Equipment & Accessories
2006 4 0 3 Electrical System
2005 6 0 1 Engine & Cooling
2004 3 1 2 Electrical System
2003 1 0 0 Lights
2001 1 0 0 Brakes
2000 6 0 0 Engine & Cooling
1999 4 0 0 Suspension
1998 1 0 0 Brakes
1997 8 0 0 Equipment & Accessories
1996 1 1 0 Other & Unspecified
1995 2 2 0 Transmission & Drivetrain
1994 2 0 0 Brakes

What breaks on a Kenworth T800

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 7 14.3%

Worst in 2006

Other & Unspecified 6 12.2%

Worst in 2004

Brakes 5 10.2%

Worst in 1998

Equipment & Accessories 5 10.2%

Worst in 1997

Engine & Cooling 4 8.2%

Worst in 1999

Suspension 4 8.2%

Worst in 1999

Transmission & Drivetrain 3 6.1%

Worst in 1999

Steering 3 6.1%

Worst in 2000

Fuel & Propulsion 3 6.1%

Worst in 2008

Tires 3 6.1%

Worst in 1994

Body & Structure 2 4.1%

Worst in 2000

Acceleration & Cruise Control 1 2.0%

Worst in 2004

Lights 1 2.0%

Worst in 2003

Windows, Mirrors & Wipers 1 2.0%

Worst in 2012

Complaints filed over time

Every complaint about every Kenworth T800, by the month it reached NHTSA.

Jan 2000 peak 9 Feb 2025

Compare the Kenworth T800

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.