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

Northern Pacific diesel locomotive number 126 switches industries in Tacoma WA during WWII at Tacoma, Washington, circa 1943. First NP 126, a HH-660, was built by American Locomotive Company in 1940. This unit was renumbered to 601 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 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 diesel locomotive number 137 at the engine facility in Tacoma, Washington, in 1966. NP 137 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 diesel locomotive number 145 at the engine facility in Tacoma, Washington, on April 13, 1970. NP 145 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 diesel locomotive number 149 in the engine facility at Tacoma, Washington, in 1966. NP 149 is a SW 1200 built by Electro Motive Division of General Motors Company in 1957. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive