Athearn Genesis G62583 HO Scale EMD GP9 Western Maryland WM 25 - NOS ORPro Grex AC1810-A Compressor

Grex AC1810-A Compressor

No 3 Flight Training Squadron

Raphael Gundam

Consistent and smooth throughout the entire power band

Athearn Genesis G62583 HO Scale EMD GP9 Western Maryland WM 25 - NOS ORPro Grex AC1810-A CompressorAthearn Genesis G62583 HO Scale EMD GP9 Western Maryland WM 25 NOS (New Old Stock) In 1949, EMD introduced the GP7. The basic design followed most diesel switchers with the addition of a short hood instead of an end cab. The hoods were also full height to better accommodate the diesel engine and mechanical and electrical components. In 1954 EMD upgraded the GP7 to become the 1,750 horsepower GP9. Externally, the first GP9s were virtually unchanged