Medium Steam - contains 8 whistles and sounds appropriate for a variety of medium steam engines such as engines with the following wheel arrangements: 4-6-2, 2-8-2, 4-6-4, 2-10-0 and others. Whistles included are: Santa Fe Freight B&O 3-Chime #74 PRR Banshee Lehigh Valley Nathan 5-Chime (Road Mix) Nathan 5-Chime (Yard Mix) USRA 6-Chime