Northern Pacific diesel locomotive number 383 in the engine facility at Auburn, Washington, on March 21, 1967. NP 383 is a GP-18 built by Electro Motive Division of General Motors Company in 1956. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 400 in a yard at Spokane, Washington, on May 06, 1950. NP 400 is a VO 1000 built by Baldwin in 1941. The original number for this unit when delivered was 109 and was renumbered in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 401 in a yard at Tacoma, Washington, on February 01, 1967. NP 401 is a VO 1000 built by Baldwin in 1941. The original number for this unit when delivered to the NP was 110 and was renumbered in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 402 in the engine facility at Spokane, Washington, on July 28, 1951. NP 402 is a VO 1000 built by Baldwin in 1942. This unit was numbered 111 when delivered to the NP and was renumbered in 1950. It received a replacement Electro Motive Division of General Motors Company 900 hp engine in 1960. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

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 404 in the yard at Spokane, Washington, on May 06, 1950. NP 404 is a VO 1000 built by Baldwin in 1943. This unit was originally numbered 404 when delivered and was renumbered in 1950. It was upgraded with an Electro Motive Division of General Motors Company 900 hp engine in 1960. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 405 in the engine facility at Auburn, Washington, on September 07, 1949. NP 405 is a VO 1000 built by Baldwin in 1943. This unit was originally numbered 120. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 406 at the engine facility in Tacoma, Washington, on September 04, 1944. NP 406 is a VO 1000 built by Baldwin in 1944. This unit was originally numbered 121 when delivered. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 407 at the roundhouse at Auburn, Washington, on May 07, 1968. NP 407 is a VO 1000 built by Baldwin in 1944. This unit was originally numbered 123 when delivered and renumbered in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 408 in the engine facility at Auburn, Washington, on March 24, 1970. NP 408 is a VO 1000 built by Baldwin in 1944. This unit was originally numbered 123 and was renumbered to 408 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive