The Greenstein 'Executive' paint scheme still looks sharp on this pair of matching SD70MAC's.

There is some fall color left as a pair of Burlington Northern painted SD70MACs Nos. 9621 and 9646 cross the Cache La Poudre River in Fort Collins, Colorado on October 27, 2017.

It is just after sunrise as a pair of Burlington Northern painted SD70MACs Nos. 9621 and 9646 race north as lite power on the "Longmont Switch" at Berthoud, Colorado on October 27, 2017.... (more)

A pair of BNSF Executives sort a string of coal cars at the BNSF yard in Longmont, Colorado.

A pair of Executive Macs cross a street in Longmont, Colorado.

BNSF’s Cody local approaches Vocation, Wyoming, on June 24, 2016. Vocation was a siding and station on the CB&Q’s line to Cody near the Heart Mountain Relocation Center, a concentration camp u... (more)

When is the last time you saw two Executive Mac's working together? These two take a freight down Mason Street in Fort Collins, Colorado. Kudos to whoever paired these two units for the run.

Trundling past milepost 14 on BNSF’s branch to Cody, Wyoming, is BNSF’s Cody local heading for the Casper Subdivision main line at Frannie on June 24, 2016. Two former Burlington Northern EMD ... (more)

After bringing in three loads from Cody, BNSF’s Cody local switches at Frannie, Wyoming, on June 24, 2016. The local is powered by two former Burlington Northern EMD SD70MACs, Nos. 9621 and 9709... (more)

Two BNSF classics wait for the call to run a freight from Longmont to Fort Collins, Colorado.

These two classics, Executive MAC 9621 and former Burlington Northern SD60M 1444, were waiting on a siding in Longmont for an assignment.

Executive MAC BNSF 9621 leads a grain train down Mason Street in Fort Collins, Colorado.

Snow-capped Mount Meeker and Longs Peak loom high around 14,000-ft in the background as BNSF's Longmont Switch with a trio of EMDs take 28-cars from Loveland and Fort Collins into Longmont, Colora... (more)

Former Burlington Northern SD70MAC No. 9621 leads two more Cascade Green and White painted SD40-2's on the Longmont Switch south near Lemay Street in Fort Collins, Colorado on August 5, 2016.

MAC daddy 9621 leads a freight down Mason Street in downtown Fort Collins.