Missouri Pacific O Scale Premier SD70ACe Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2771-1E
Burlington Northern O Scale Premier GE U30C Diesel Engine w/Proto-Soundr 2.0 (Hi-Rail Wheels) 20-2778-1
Burlington Northern O Scale Premier GE U30C Diesel Engine w/Proto-Soundr 2.0 (Scale Wheels) 20-2778-2