2001 Allison 2400, Truck Delivery, Transmission Assys, Fits to: International 1652, 2000 Allison 2400 AT Transmission. S/N-014023 P/N-29538984 Model-2400 For more information about this item call. We ship worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 014023, Casting# 014023, Truck Year 2001 1HTMHABMX1A938294