Burlington Northern diesel locomotive 6430, formerly Great Northern "Hustle Muscle" number 400, at Auburn, Washington, on June 03, 1976. Number 6430 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 31598. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6435, formerly Great Northern 405, at Auburn, Washington in July 1975. Number 6435 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 31603. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6440, formerly Great Northern 410, at Auburn, Washington, on June 02, 1971. Number 6440 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 32990. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6441, formerly Great Northern 411, at Auburn, Washington, on October 31, 1970. Number 6441 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 32991. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6442 at Auburn, Washington, on August 10, 1970. Number 6442, an SD45, is with F9B number 827, U33C number 5716 and U33C number 5705 at the Auburn locomotive facility. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6442, formerly Great Northern 412, at Auburn, Washington, on August 10, 1970. Number 6442 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 32992. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6443, formerly Great Northern 413, at Auburn, Washington, on April 01, 1971. Number 6443 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 32993. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6447, formerly Great Northern 417, at Auburn, Washington, on April 14, 1971. Number 6447 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 32997. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6448, formerly Great Northern 418, at Auburn, Washington, on July 01, 1972. Number 6448 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33785. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6449, formerly Great Northern 419, at Auburn, Washington, on April 14, 1971. Number 6449 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33786. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility, diesel shop.