This Lionel O Scale GE ET44AC/ET44C4 diesel is based on the Tier 4-compliant GE Evolution locomotives have become a new standard on North American Railroads. Larger and easily distinguished from their older ES44 brethren by their peaked radiators, the ET44 can be spotted in all types of modern freight service. This detailed model is equipped with Legacy Sound and Control and is able to run in Legacy(R) Control mode, in TrainMaster(R) Command Control mode, or in Conventional mode with a standard transformer. It can also be operated using Bluetooth(R) Controlusing the Universal Remote or LionChief(R) App, as well as with Lionel Voice Control (LVC) and the Odyssey(R) II Speed Control. Operation requires three-rail O Gauge track with minimum O54 curves (O27 and O31 curves are too sharp). The GE ET44AC/ET44C4 is one of many Lionel O Scale locomotives.