Hendrickson and WABCO’s MAXX22T system is a popular air disc brake system in the market because of its potential for weight savings and extended life.  However, getting replacement parts may not be so easy these days.  Based on orders and inquiry volumes, we know that some of the rotors (especially S-37009-1 and S-37009-2) and calipers (S-35973-L, S-35973-R)…