Engines | Mounts, , (USED) 2004 Mack AMI-400 Diesel Engine, Serial # 4F1456, 400HP@2100, Engine Family # 4MKXH11.9V65, Low Miles, Test Run 10-17-16, Exhaust Family # EM, EC, TC, CAC, DI, SPL,1EGR. 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 # 003062