Northern Pacific diesel locomotive number 6000 in the engine facility at Mandan, North Dakota, on April 26, 1950. NP 6000 is an F-3 built by Electro Motive Division of General Motors Company in 1947, parked at the Mandan engine facility in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6000 in the yard at Easton, Washington, on February 08, 1945. NP 6000 is an FT built by Electro Motive Division of General Motors Company in 1944. This was the first set of road diesels obtained by the NP. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 6000 in the engine facility at Easton, Washington, on July 1944. NP 6000 is an FT built by Electro Motive Division of General Motors Company in 1944, parked at Easton in 1944. This was the first set of road diesels received by the NP and is about six months old in this photo. Note the snow removal equipment in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific shop switcher number 6 at the shops in South Tacoma, Washington, on December 30, 1957. NP 6, diesel shop switcher was rebuilt by the NP from gas-electric B-3 at South Tacoma in 1956. Photo by Jerry Hanson, J.M. Fredrickson collection. Other Subject Classes: shop switcher, gas electric car

Northern Pacific diesel locomotive number 569 at the depot in Garrison, Montana, on June 06, 1955. NP 569 is a GP-7 built by Electro Motive Division of General Motors Company in 1953. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 563 at the roundhouse at Auburn, Washington, on August 17, 1970. NP 563 is a GP-7 built by Electro Motive Division of General Motors Company in 1953. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 558 in the engine facility at Auburn, Washington, on July 04, 1954. NP 558 is a GP-7 built by Electro Motive Division of General Motors Company in 1952, parked near the Auburn diesel house in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific Number 5620, a General Electric Type U25C, at Galesburg, Illinois, August 1973.

Northern Pacific diesel locomotive number 557 in the engine facility at Tacoma, Washington, on May 17, 1970. 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

Northern Pacific diesel locomotive number 558 in the engine facility at Tacoma, Washington, on March 12, 1967. NP 558 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