Southern Pacific O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2692-1
Southern Pacific O Scale Premier SD45T-2 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2692-2
Union Pacific O Scale Premier SD40-2T Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2693-1
Union Pacific O Scale Premier SD40-2T Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2693-2
Bessemer & Lake Erie O Scale Premier SD40T-3 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2690-1
Bessemer & Lake Erie O Scale Premier SD40T-3 Tunnel Motor Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2690-2