BNSF 1720 (SD40-2) pulls a cut of cars out of the Denver Yard for sorting.

BNSF 1720 (SD40-2) pulls a cut of cars out of the Denver Yard for sorting back into the various tracks.

BNSF 1720 (SD40-2) waits with the other light power in the yard of the BNSF engine servicing facility.

BNSF 1720 (SD40-2) repositions in the yard prior to servicing at the Denver Facility.

BNSF 1720 (SD40-2) moves to the ready track for other light power waiting for assignments in the Denver yard.