MTH Premier 20-21520-1 O Scale EMD GP9 Diesel Norfolk & Western N&W 520 with PS3 Scale Accessory US Army 19420 (green

US Army 19420 (green

Some were retained for MOW fleets

Width : 240mm

Great start for freelance modelers

Later versions would change the louver arrangements and the last versions would come without the frame skirting

MTH Premier 20-21520-1 O Scale EMD GP9 Diesel Norfolk & Western N&W 520 with PS3 Scale Accessory US Army 19420 (greenMTH Premier 20 21520 1 O Scale EMD GP9 Diesel Norfolk & Western N&W 520 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 as a huge