This two unit set of Chessie System SD-40s features one power unit and one dummy unit. The power unit has dual pullmor motors, 6 wheel die cast trucks and MagnaTraction. It has transformer controlled forward, neutral and reverse operation and an electronic diesel horn. Both units have working headlights, illuminated cab interior and number boards, a snowplow and metal chassis and handrails. Click on the picture to enlarge for a better view.