Northern Pacific diesel locomotive number 403 in the engine facility at Auburn, Washington, on May 19, 1970. NP 403 is a VO 1000 built by Baldwin in 1942. This unit was originally numbered 112 and was renumbered in 1950. The unit received a replacement Electro Motive Division of General Motors Company 900 hp engine in 1959. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 414 in a yard at Tacoma, Washington, on May 1970. NP 414 is a VO 1000 built by Baldwin in 1945. This unit was originally numbered 161 and was renumbered to 414 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 420 in the scrap line at Auburn, Washington, on March 24, 1970. NP 420 is a VO 1000 built by Baldwin in 1945. It was originally numbered 167 and renumbered to 420 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

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 6016 in a yard at Spokane, Washington, on July 28, 1951. NP 6016 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 6016 in a yard at Spokane, Washington, on February 28, 1951. NP 6016 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 6503 in the station at Spokane, Washington, on May 20, 1952. NP 6503 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6504 in the station at Spokane, Washington, in 1950. NP 6504 is an F-5 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 6505 at the station in Spokane, Washington, in 1949. NP 6505 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific Number 6701B, an Electro-Motive Division (EMD) Type F9B, at Spokane, Washington, June 1969.