California CHP Shuts Down Truck Over Corroded Fifth Wheel Defect

Key Details California Highway Patrol inspectors discovered severe corrosion damage on a tractor's fifth wheel plate during a routine commercial vehicle inspection on March 22. A 3-inch diameter hole had formed in the plate due to corrosion combined with repeated kingpin contact, forcing the truck out of service immediately. Why It Matters Fifth wheel damage poses serious safety risks for you and other motorists on the road. A compromised fifth wheel can cause trailer separation, jackknifing, or loss of cargo control - potentially resulting in catastrophic accidents, injuries, or fatalities. What You Should Do CHP recommends performing regular inspections of your fifth wheel surface, looking specifically for wear, cracks, and corrosion. Address any signs of corrosion early before damage becomes severe enough to warrant out-of-service status. Don't wait for an inspection to catch these critical defects. Bottom Line Proactive equipment maintenance saves time, money, and lives. Make fifth wheel inspection part of your pre-trip routine and stay compliant with safety regulations.