2012 Mack MP8, Engine Assys, (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2012 Mack MP8 Diesel Engine For Sale, MP8-415E, 415HP, Engine Family CVPTH12.8S01, Emission Control System CAC, EGR, DDI, ECM, DOC, PTOX, SCR, AMOX, 415HP @ 1700RPM, 12.8L, 6 Cylinders, Serial # 1001797, Stock# 6184