Northern Pacific diesel locomotive number 107 in a yard, circa 1950. NP 107 is a SW-7 built by Electro Motive Division of General Motors Company in 1949. This was the second unit numbered 107 for the NP. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 112 in the engine facility at Auburn, Washington, circa 1949. NP 112 is a VO 1000 built by Baldwin in 1942. This unit was renumbered to number 403 in 1950 and rebuilt to 900 HP by Electro Motive Division of General Motors Company in 1959. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 120 in the engine facility at Auburn, Washington, circa 1949. NP 120 is a VO 1000 built by Baldwin in 1944 and renumbered to number 405 in 1950. Sister NP 112 is in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 120 at the roundhouse at Auburn, Washington, circa 1949. NP 120, a VO 1000, was built by Baldwin in 1944 and renumbered to number 405 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 120 in a yard, circa 1949. NP 120 is a VO 1000 built by Baldwin in 1944 and renumbered to number 405 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 121 in a yard, circa 1949. NP 121 is a VO 1000 built by Baldwin in 1944 and renumbered to 406 in 1950. This unit was converted to ET-3 in 1965 and used as a "slug" at the Pasco, Washington hump yard. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 124 in a yard, circa 1949. NP 124 is a VO 1000 built by Baldwin in 1944 and was renumbered to 409 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 126 in the engine facility at Auburn, Washington, on October 01, 1969. NP 126 is a SW 1200 built by Electro Motive Division of General Motors Company in 1955. This is the second unit numbered 126 for the NP. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 126 in a yard the Bozeman, Montana, on June 07, 1955. NP 126 is a SW 1200 built by Electro Motive Division of General Motors Company in 1955. This was the second unit numbered 126 for the NP. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 126 in a yard at Tacoma, Washington, circa 1943. First NP 126 is a HH-660 built by American Locomotive Company in 1940. This unit was renumbered to number 601 in 1950. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: diesel locomotive, switcher locomotive