Union Pacific O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Hi-rail Wheels) 20-3168-1
Union Pacific O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3168-2
Clinchfield O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Hi-rail Wheels) 20-3169-1
Clinchfield O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3169-2
Boston & Albany O Scale Premier 4-6-4 J-1e Hudson Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3157-1
Boston & Albany O Scale Premier 4-6-4 J-1e Hudson Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3157-2
New York Central O Scale Premier 4-6-4 J-1e Hudson Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3158-1
Nickel Plate Road O Scale Premier 0-8-0 USRA Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3149-1
Pennsylvania O Scale Premier 0-4-0 A-5 Switcher Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3173-1
Pennsylvania O Scale Premier 0-4-0 A-5 Switcher Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3173-2
Pennsylvania Reading Seashore Lines O Scale Premier 0-4-0 A-5 Switcher Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3174-1
Pittsburgh & Lake Erie O Scale Premier 2-8-0 H-9 Consolidation Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3163-1
Pittsburgh & Lake Erie O Scale Premier 2-8-0 H-9 Consolidation Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3163-2
Illinois Central O Scale Premier 2-8-0 H-9 Consolidation Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3164-1
Illinois Central O Scale Premier 2-8-0 H-9 Consolidation Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3164-2
Reading O Scale Premier 2-8-0 H-9 Consolidation Steam Engine w/Proto-Sound 2.0 (Hi-Rail Wheels) 20-3165-1
Denver & Rio Grande O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Hi-rail Wheels) 20-3170-1
Denver & Rio Grande O Scale Premier 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0 (Scale Wheels) 20-3170-2