2007 Mercedes OM906LA, School Bus, Engine Assys, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2006 Mercedes OM906LA, ENGINE ASSEMBLY- Family Number: 6MBXH6.37DJA, Displacement: 6.37, Horsepower: 210, E.C.S.: TC, ECM, CAC, EGR, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 210, Serial# TBD, Casting# TBD 1T7YN4A2271284105