Engines | Mounts, , (USED) 2005 Mack AMI-400 Diesel Engine, Serial # 4Y1890, 400HP, Engine Family # 5MKXH11.9V65, Low Miles, Test Run 8-1-16, 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 # 002996