Northern Pacific diesel locomotive number 6005 in the engine facility at Auburn, Washington, on June 15, 1949. NP 6005 is an FT built by Electro Motive Division of General Motors Company in 1944. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 6005 in the engine facility at Auburn, Washington, on May 15, 1950. NP 6005 is an F-7 built by Electro Motive Division of General Motors Company in 1948. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6007D in the engine facility at Auburn, Washington, on July 24, 1970. NP 6007D is an F-7A built by Electro Motive Division of General Motors Company in 1950. Also pictured is NP 3600, a SD 45, built by Electro Motive Division of General Motors Company in 1966. Photo by J.M. Fredrickson. Other Subject Classes: gas electric car,

Northern Pacific diesel locomotive number 6013 in the engine facility at Auburn, Washington, in 1952. NP 6013 is an F-7 built by Electro Motive Division of General Motors Company in 1951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6015 in the engine facility at Auburn, Washington, on July 02, 1952. NP 6015 is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6016D in the engine facility at Auburn, Washington, on July 24, 1967. NP 6016D is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6016A in the engine facility at Auburn, Washington, on May 1968. NP 6016A is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6016A in the engine facility at Auburn, Washington, on May 1968. NP 6016A is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6017 in the engine facility at Auburn, Washington, circa 1952. NP 6017 is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6017 in the engine facility at Auburn, Washington, circa 1952. NP 6017 is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,