On this episode of Tech Talk with TMC on Road Gang Radio, host Robert Braswell is joined by Roger Maye, National Service Manager for Consolidated Metco (KMET), to break down one of the most critical—and often overlooked—areas of truck maintenance: wheel ends and spindle inspection.

The conversation centers on TMC’s newly proposed Recommended Practice RP 665: Spindle Inspection Guidelines, which is currently out for ballot. Roger explains why spindle wear frequently goes unnoticed during seal or bearing service, how cone race rotation causes hidden damage, and why technicians must inspect every component once a wheel end is disassembled—not just the part that failed.

Key topics include:

What actually makes up a wheel end (beyond just the wheel itself)

Why spindle shoulders, journals, and mounting ...