Western Maryland O Gauge RailKing 4-6-6-4 Imperial Challenger Steam Engine w/Proto-Sound 3.0 30-1820-1
Southern Pacific O Gauge RailKing 4-8-8-2 Imperial Cab Forward Steam Engine w/Proto-Sound 3.0 30-1821-1
Southern Pacific O Gauge RailKing 4-8-8-2 Imperial Cab Forward Steam Engine w/Proto-Sound 3.0 30-1822-1
Southern Pacific O Gauge RailKing 4-8-8-2 Imperial Cab Forward Steam Engine w/Proto-Sound 3.0 30-1823-1
Chicago Great Western O Gauge RailKing 4-6-2 Imperial Pacific Steam Engine w/Proto-Sound 3.0 30-1824-1