2011 Cummins ISX12, Engine Assys, (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2011 Cummins ISX12 Diesel Engine For Sale, 425HP @ 1800RPM, Family# BCEXH0729XAC, Emission Control Systems EGR, PTOX, SCRC, 11.9L, Turbocharged, CPL# 3438, ISX12/ISX11.9 CM2250, Serial# 75006429, Stock #6781