CATERPILLAR , (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2004 Caterpillar C15 ACERT Diesel Engine (TWIN TURBO), 475HP RATED @ 2100, Serial # BXS28863, AR # 227- 8388, Long Block Part # 20R9105, TEST RUN WATCH VIDEO ON JJREBUILDERS, Fully Inspected!, Perfect Runner!! Visit JJREBUILDERS for information on this engine or any other diesel engine you may be looking for. Please call (786) 377-5210 for more information. REF INV # 005068