Engines | Mounts, , (USED) 2002 Caterpillar C15 Diesel Engine with Jake Brakes (SINGLE TURBO), Serial # 6NZ21580, 475HP RATED @ 1800RPM, 525 MAX ADV 1800RPM, AR # 184-2649, Test Run 7-30-15, Fully Inspected!! 403,597 Miles, Call for more information 1-800-971-3019. INV # 002573