Burlington Northern diesel locomotive 6428, formerly Northern Pacific 3628, at Auburn, Washington, on September 14, 1970. Number 6428 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33908. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6427, formerly Northern Pacific 3627, at Auburn, Washington, on June 03, 1976. Number 6427 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33907. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6427, formerly Northern Pacific 3627, at Auburn, Washington, on April 17, 1972. Number 6427 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33907. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6425, formerly Northern Pacific 3625, at Auburn, Washington, on April 14, 1971. Number 6425 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33905. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6424, formerly Northern Pacific 3624, at Auburn, Washington, on June 21, 1971. Number 6424 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33904. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6423, formerly Northern Pacific 3623, at Tacoma, Washington, on July 20, 1971. Number 6423 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33903. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6423 at Tacoma, Washington, on July 20, 1971. Number 6423, an ex-Northern Pacific SD45, is leading the Vancouver, BC to Los Angeles time freight number 137 on the sweeping right curve between Head of the Bay Yard and the Tacoma Depot. The train operated via the Oregon Trunk line from Wishram, Washington to Bieber, California where the Western Pacific took over the train for the remainder of its trip. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6423, formerly Northern Pacific 3623, at Auburn, Washington, on July 18, 1973. Number 6423 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33903. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6420, formerly Northern Pacific 3620, at Minneapolis, Minnesota, on August 24, 1972. Number 6420 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33900. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6417, formerly Northern Pacific 3617, at Auburn, Washington, on February 02, 1971. Number 6417 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33038. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.