Northern Pacific diesel locomotive number 3601 control stand at Auburn, Washington, on February 1967. NP 3601 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3601 in the engine facility at Auburn, Washington, on February 1967. NP 3601 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3601 in the engine facility at Auburn, Washington, on February 1967. NP 3601 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3601 in the engine facility at Auburn, Washington, on March 21, 1967. NP 3601 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3601 in the engine facility at Auburn, Washington, on February 1967. NP 3601 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3602 in the engine facility at Auburn, Washington, on October 09, 1967. NP 3602 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. The unit is coupled to NP 2521 a U25C. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3602 in the engine facility at Auburn, Washington, on October 01, 1968. NP 3602 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3603 in the engine facility at Auburn, Washington, on March 03, 1970. NP 3603 is a SD-45 built by Electro Motive Division of General Motors Company in 1966. The unit is coupled to sister NP 3625. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3604 in the engine facility at Auburn, Washington, on October 09, 1967. NP 3604 is a SD-45 built by Electro Motive Division of General Motors Company in 1967. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 3604 in the engine facility at Auburn, Washington, on July 24, 1970. NP 3604 is a SD-45 built by Electro Motive Division of General Motors Company in 1967. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive