MTH Premier 20-21744-1 O Scale EMD GP7 Diesel Western Maryland WM 20 with PS3 HO Scale Freight Cars The units were renewed inside

The units were renewed inside and out

Chassis nerf bars absorb impact and support the body

For nearly all surfaces

improves performance of locomotives and other models

MTH Premier 20-21744-1 O Scale EMD GP7 Diesel Western Maryland WM 20 with PS3 HO Scale Freight Cars The units were renewed insideMTH Premier 20 21744 1 O Scale EMD GP7 Diesel Western Maryland WM 20 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