Amtrak's most recent generation of electric motive power, the ACS-64 boasts an energy-efficient 125mph maximum speed! Complete with 16-bit polyphonic Soundtraxx Sound Package and DCC ready, this HO scale model features a horn and bell, a cooling fan/power inverter, a coupler close/release, light functions, rail and pantograph operations, and more. Minimum recommended radius of 22". 9¼" long.