Northern Pacific diesel locomotive number 5409D the engine facility at Tacoma, Washington, on March 12, 1967. NP 5409D is an FT built by Electro Motive Division of General Motors Company in 1945. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 5410 in the engine facility at Auburn, Washington, on April 19, 1950. NP 5410 is an FT built by Electro Motive Division of General Motors Company in 1945. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 500 Union Station Tacoma, Washington, in September, 1952 with the morning train No. 422 to Grays Harbor. NP 500 is an AS 415 built by Baldwin in 1948. This unit was renumbered from 175 to 500 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 550 in the yard at Dilworth, Minnesota, on May 20, 1952. NP 550 is a GP-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 551 in the yard at Dilworth, Minnesota, on April 24, 1954. NP 551 is a GP-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 555 in the engine facility at Pasco, Washington, on August 05, 1953. NP 555 is a GP-7 built by Electro Motive Division of General Motors Company in 1952. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 553 in a yard. NP 553 is a GP-7 built by Electro Motive Division of General Motors Company in 1951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 555 in the engine facility at Auburn, Washington, on April 20, 1970. NP 555 is a GP-7 built by Electro Motive Division of General Motors Company in 1952. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 556 at the passenger station in Spokane, Washington, on December 24, 1952. NP 556 is a GP-7 built by Electro Motive Division of General Motors Company in 1952. The unit is shown with the Lewiston local passenger train No. 311. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 557 in the yard at Arlington, Washington, on April 22, 1952. NP 557 is a GP-7 built by Electro Motive Division of General Motors Company in 1952. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher