Engines | Mounts, , (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2006 Caterpillar C15 ACERT Diesel Engine for sale (TWIN TURBO), Serial # NXS061621, AR # 261-5480, Fam # 6CPXH0928EBK, 475HP RATED @ 2100 RPM, 625HP Max Rating! Short Block Part # 10R4404, Perfect Runner watch test run video! Visit JJ REBUILDERS for information on this engine or any other diesel engine you may be looking for. Call for more information 1-800-971-3019. REF INV # 004724