After BNSF 1625 (SD40-2) back onto a siding, Executive MAC BNSF 9709 moves past with a long freight, taking cars from Golden, Colorado to Denver.

BNSF 1625 (SD40-2) stares down BNSF 9709 (SD70MAC) which is occupying the same track, waiting for 1625 to back into a siding and drop off some box cars at a customer in Golden, Colorado.

Executive MAC BNSF 9709 passes through a snow-coated forest of trees after a night of heavy snow in Golden, Colorado.

BNSF 9709 (SD70MAC) gets ready to cross West 44th Avenue as it leaves the BNSF yard in Golden, Colorado and heads to Denver.

BNSF 9709 (Executive SD70MAC) leads a small group of engines towards the downtown BNSF engine servicing facility

Executive Grinstein MAC BNSF 9709 gets ready to leave the small BNSF yard in Golden, Colorado and head to Denver.

BNSF Grinstein MAC #9709 stops to chat at a track maintenance crew working on the line to the BNSF Coors Brewing facility yard in Golden, Colorado.

The BNSF Beer Train from the Coors Brewery in Golden Colorado run light back to Denver where they will get fuel and sand. Along the way they pass by the Union Pacific's North Yard where a rail tr... (more)

Executive MAC BNSF 9709 leads three other BNSF units as they get ready to exit the BNSF yard in Golden, Colorado and head to Denver.

Executive MAC 9709 crosses a road in Golden, Colorado as it leads an ACe, a B40-8W and a SD40-2 towards Denver.

Executive Grinstein MAC BNSF 9709 leaves the Molson Coors brewing facility, which is nestled in the foothills in Golden, Colorado.

Executive BNSF 9709 (SD70MAC) leads the beer train from the yard adjacent to the Molson Coors brewery in Golden, Colorado. Once the crew does a final inspection they will board the engine and head... (more)

It is getting harder to find a MAC leading a train these days. This one could usually be found running the beer train between Denver and Golden, Colorado, but it has since been replaced.

It's always good to see a MAC and even better to see one leading a train. BNSF 9709 (SD70MAC) departs Denver with the daily beer train which will take it to the Miller-Coors Brewing plant in Gold... (more)

A former Burlington Northern SD70MAC pauses to let the Conductor and Brakeman off before continuing their switching duties at the Coors Brewery, and ultimately the 31st Street Yard in Denver.