Half-round driveline cap screw torque
Defect Summary
Paccar is recalling certain model year 2013 kenworth t400, t600, t700, t800, and w900 vehicles, manufactured from july 18, 2012, through august 10, 2012. cap screws securing the main driveline to the forward rear axle and cap screws on the inter-axle driveline may not have been properly torqued.
Safety Consequence
Fasteners which are not properly torqued to specification can result in the driveline separating from the vehicle, disabling the vehicle and increasing the risk of a crash. the separated component could also become a road hazard.
Corrective Action
Paccar will notify owners, and dealers will inspect and re-torque the each of the affected fasteners, free of charge. the safety recall began on september 7, 2012. owners may contact kenworth at 1-425-828-5440.
Similar Recalls
Other recalls from Paccar Incorporated or involving Power Train.
FAQ: Recall 12V407000
Your rights, the repair process, and what each field on this page means.
What is recall 12V407000?
NHTSA recall 12V407000 was issued by Paccar Incorporated on August 20, 2012. It addresses: Half-round driveline cap screw torque. The recall affects approximately 535 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 12V407000 or the manufacturer campaign number 12KWF. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.