This is a 3 rail O Scale TMCC BNSF Dash 8-40CW diesel engine that is plastic. This engine has separately applied wire grab ions and handrail stanchions, new truck design with single point lubrication and is highly detailed. The TMCC features electric railroad cruise commander technology, improved rail sounds, legacy compatible, operating smoke unit, electro couplers Lionel Train Master Command Control and oscillating ditch lights. Minimum radius curve is O-36 for this engine. The engine is made by Atlas Model Railroad Co. in 2018.