(USED) 1998 Freightliner MT45 - CORE Engine - CUMMINS ISB B5 9 Diesel Engine. Engine Serial # Engine Family # Engine HP: 153-184HP Engine Model: CUMMINS ISB B5 9 Displacement: 5.9L CPL/AR: 1815 REF: E.C.S.: Tested and Runs GREAT!!! To find out more about this engine give us a call. We ship worldwide! Complete Recycling Group (CRG) TAG# 9008 Displacement: 5.9L - ARR/CPL: 1815