(Used) 2006 Cummins ISB, ENGINE ASSEMBLY- Family Number: DR1581-RX, Displacement: 5.9L, Horsepower: 185, Serial Number: 60258256, CPL: 2687 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921