Northern Pacific diesel locomotive number 427 in a yard at Tacoma, Washington, on September 1952. NP 427 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 174 in 1950 and survived to the original BN roster. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 424 in the engine facility at Auburn, Washington, on March 24, 1970. NP 424 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 171 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 423 in the dead line at Auburn, Washington, on April 23, 1970. NP 423 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 170 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 423 in the engine facility at Auburn, Washington, on May 07, 1968. NP 423 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 170 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 421 at the roundhouse at Auburn, Washington, on May 07, 1968. NP 421 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 168 in 1950 and survived to the original BN roster. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 420 works the yard near the passenger station at Spokane, Washington, on May 06, 1950. NP 420 is a VO 1000 built by Baldwin in 1945. It was originally numbered 167 and renumbered to 420 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 420 in the scrap line at Auburn, Washington, on March 24, 1970. NP 420 is a VO 1000 built by Baldwin in 1945. It was originally numbered 167 and renumbered to 420 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 419 in the engine facility at Auburn, Washington, on April 13, 1950. NP 419 is a VO 1000 built by Baldwin in 1945. This unit was renumbered from 166 in 1950 and survived to the original BN roster. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 417 in the engine facility at Auburn, Washington, on May 25, 1970. NP 417 is a VO 1000 built by Baldwin in 1945. It was renumbered from 164 in 1950 and included in the original BN roster. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 418 in the engine facility at Auburn, Washington, on April 08, 1968. NP 418 is a VO 1000 built by Baldwin in 1945. The unit is dead and will be scrapped in November, 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,