Recent Investigations - Truck Accidents

Tractor Trailer Axle Failure

A metallurgical failure analysis of the failed tandem wheels and axle was requested after the driver side tandem rear tires of a tractor trailer failed at the axle, fatally injuring a pedestrian.

The failure analysis revealed that the wheel bearing failure was the result of lack of wheel bearing lubrication and/or improper maintenance.

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Updated 6/23/11