Chicago Regional Transit O Scale Premier F40PH Diesel Engine With Proto-Sound 2.0 (Hi-Rail Wheels) 20-20108-1
Chicago Regional Transit O Scale Premier F40PH Diesel Engine With Proto-Sound 2.0 (Scale Wheels) 20-20108-2
Pittsburgh & Lake Erie O Scale Premier U25B Diesel Engine - With Proto-Sound 2.0 (Scale Wheels) 20-20106-2
Pittsburgh & Lake Erie O Scale Premier U25B Diesel Engine - With Proto-Sound 2.0 (Hi-Rail Wheels) 20-20106-1