Engines | Mounts, , (GOOD USED) 2000 Caterpillar C15 Diesel Engine with Jake Brake, 6NZ, Serial # 6NZ36071, AR # 180-2132, 475HP RATED @ 2100 RPM, TEST RUN WATCH VIDEO ON JJ REBUILDERS WEBSITE MILE ENGINE. Visit JJREBUILDERS for more information on this engine or any other diesel engine. Call for more information 1-800-971-3019. INV # 004052