Williams By Bachmann Trains Gp9 Scale Diesel Locomotive - Louisville And Nashville - O Scale General Motors GP9 scale diesel locomotive Features: 4 wheel power trucks with traction tires, dual motors, flywheel coasting action, all metal gears True Blast II digital horn and bell, dual headlights, operating couplers 6-amp reverse board, Die cast: trucks, truck sides, and pilots Navigates O-27 curves