Northern Pacific diesel locomotive number 133 at the roundhouse in Tacoma, Washington, on April 13, 1970. NP 133 is a SW 1200 built by Electro Motive Division of General Motors Company in 1956. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific Number 130, an Electro-Motive Division (EMD) SW12, at Saint Cloud, Minnesota, June 1967.

Northern Pacific diesel locomotive number 130 in a yard at Seattle, Washington, on 1947. NP 130 is a VO 660 built by Baldwin in 1942. This unit was renumbered to NP 652 in 1950. The engine was converted to ET-1, also known as a "slug", in 1959 and used in the Pasco, Washington, hump yard. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 128 in a yard at Seattle, Washington, in 1947. NP 128 is a VO 660 and was built by Baldwin in 1940. This unit was renumbered to NP 650 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 127 switching Union Station at Tacoma, Washington, circa 1946. First NP 127 is a HH-660 built by American Locomotive Company in 1940. It was renumbered to 602 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 127 in switches industries at Tacoma, Washington, circa 1946. NP 127, a HH-660, was built by American Locomotive Company in 1940. It was renumbered to NP 602 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 127 switching Union Station at Tacoma, Washington, circa 1946. First NP 127 is a HH-660 built by American Locomotive Company in 1940. It was renumbered to 602 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 127 switching Union Station coach yard at Tacoma, Washington, circa 1946. NP 127, a HH-660, was built by American Locomotive Company in 1940. The unit was renumbered to 602 in 1950. 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

Northern Pacific diesel locomotive number 126 near Union Station at Tacoma, Washington, circa 1943. First NP 126, a HH-660, was built by American Locomotive Company in 1940 and switches industries in Tacoma during WWII. This unit was renumbered to number 601 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive