MTH Premier 20-21516-1 O Scale EMD GP9 Diesel Allegheny Valley Railroad AVR 7559 with PS3 Era_1973 + 07sec @6v/

07sec @6v/

five were assigned to the "City of San Francisco" pool in UP colors

simply combine equal parts by volume

4 sunshades

MTH Premier 20-21516-1 O Scale EMD GP9 Diesel Allegheny Valley Railroad AVR 7559 with PS3 Era_1973 + 07sec @6v/MTH Premier 20 21516 1 O Scale EMD GP9 Diesel Allegheny Valley Railroad AVR 7559 with PS3 Electro Motive Division's GP (for "General Purpose") engines were the brainchild of project engineer Dick Dilworth. In the late 1940s, Dilworth saw that America's 30,000 miles of main line rail had been virtually dieselized, but the 130,000 miles of secondary lines that carried half of the nation's freight traffic were still largely steam powered. He viewed that