Athearn Genesis G82824 HO Scale EMD GP9 Union Pacific UP 165 DCC Sound Roadname_P&R the B6AC has an `Auto`

the B6AC has an `Auto` function that sets the current automatically

While these cars are most closely associated with Southern Pacific

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Athearn Genesis G82824 HO Scale EMD GP9 Union Pacific UP 165 DCC Sound Roadname_P&R the B6AC has an `Auto`Athearn Genesis G82824 HO Scale EMD GP9 Union Pacific UP 165 DCC Sound 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 from the last