(Used) 2006 CATERPILLAR C7 ACERT ENGINE ASSEMBLY- Family Number: 6CPXH0442HBK, Displacement: 7.2L, Horsepower: 250, Ar. No.: 264-5507, Serial Number: WAX52190, ECS: EM, DI, TC, ECM, CAC, CAT, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921