Engines | Mounts, , (USED) 2004 Mack AI-350 Diesel Engine , Serial # 4J2532 , 350HP @ 1950, 11GBA 22870YP1, Engine Family # 4MKXH11.9V65, LOW MILES! Test Run 5-16-17. Visit jjrebuilders.com for more information on this and any other Diesel Engine you may be looking for. Call 1-800-971-3019. REF INV # 003318