Canadian National O Scale Premier SD40-3 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2877-2
St. Louis Southwestern O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2878-1
St. Louis Southwestern O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2878-2
Kansas City Southern O Scale Premier SD45T-3 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2879-1
Kansas City Southern O Scale Premier SD45T-3 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2879-2
Southern Pacific O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2880-1
Southern Pacific O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2880-2