BNSF 1656 (SD40-2) waits at the BNSF engine servicing facility as a Ferromex unit gets a fresh supply of sand and fuel at the island.

BNSF 1656 (SD40-2) survives in its Burlington Northern Cascade Green paint as it waits for servicing at the BNSF engine facility in Denver, Colorado.

You can still find original Cascade Green Burlington Nothern units at the Denver yard in downtown Denver, Colorado. Here BNSF 1656 (SD40-2) waits for servicing at the engine facility near Denver'... (more)

Its' Throwback Thursday at the BNSF engine servicing facility as 1656 (SD40-2) waits for service or assignment.

It's always a good day when you can catch a Cascade Green Burlington Northern unit leading a freight. Here BNSF 1656 (SD40-2) leads a short oil can train towards Denver through Commerce City.

BNSF 1656 (ex-Burlington Northern SD40-2) runs through Commerce City, Colorado with a light load of oil cans.

BNSF 1656 (SD40-2) leads a freight into Golden, Colorado.

BNSF 1656 (SD40-2) leads a freight into the BNSF yard in Golden, Colorado.

A veteran Burlington Northern SD40-2 BNSF 1656 takes a freight into the small BNSF yard next to the Coors Brewing facility in Golden, Colorado.

This 43 year old veteran still wears its Burlington Northern Cascade Green paint after all these years.

You can always find something interesting in the downtown Denver BNSF engine servicing facility. Today its 1656 (a former Burlington Northern SD40-2) and a Grinstein Executive MAC getting sand an... (more)

All the motors huddled together here are former Burlington Northern or Atchison Topeka & Santa Fe units. BNSF 1656 started life as a SD40-2 in 1978 with the BN, 1579 started in 1972 as a SD45-2 f... (more)

It is 'old school' day in the BNSF yard as two former Burlington Northern SD40-2's work the Denver Yard.

BNSF SD40-2 #1656 still displays Burlington Northern colors as it heads up the Parachute Industrial Lead to switch the Solvay Chemical plant.

A former BN SD40-2 awaits the days' work on the Roggen switcher, some of which is framing the power, located off the Brush Sub in Commerce City, CO.