Union Pacific Steam Locomotives, 1915-1962

General Notes:

1. UP 4360-4379 were built as UP 1211-1230 in 1906-1907; renumbered to UP 4360-4379 in 1915.

Notes:

1. UP 4361 was sold to Laramie Valley Railroad as their number 2, removed from service in 1949, replaced by UP 4455.
2. UP 4367 was transferred to OSL in October 1923; renumbered to OSL 4759.
3. UP 4369 was transferred to OSL in October 1923; renumbered to OSL 4760.
4. UP 4375 was transferred to OSL in October 1923; renumbered to OSL 4761
5. UP 4377 was transferred to OSL in October 1923; renumbered to OSL 4762
6. UP 4378 was transferred to OSL in October 1923; renumbered to OSL 4763

General Notes:

1. UP 4380 was built as UP 1231 in 1908; renumbered to UP 4380 in 1915; vacated in 1923

General Notes:

1. UP 4381-4390 were built as UP 1232-1241 in 1909 and 1911; renumbered to UP 4381-4390 in 1915.

General Notes:

1. UP 4391-4400 were built as UP 1242-1251 in 1911; renumbered to UP 4391-4400 in 1915.

General Notes:

1. UP 4401-4415 were built as UP1252-1266 in 1913; renumbered to UP 4401-4415 in 1915.

Notes:

1. UP 4407 was rebuilt to 0-6-0T shop switcher 4407 in 1947; assigned to Pocatello, Idaho; scrapped in July 1956.
2. UP 4408 was sold to St. Joseph Terminal Company in 1937.

General Notes:

1. UP 4416-4420 were built as UP 1267-1271 in 1914; renumbered to UP 4416-4420 in 1915.

Notes:

1. UP 4420 was assigned to Evanston, Wyoming at the end of its career; out of service by August 1957; retired by UP in May 1958; donated to City of Evanston, Wyoming, in June 1958; moved for display in early July 1958; displayed on the grounds of the Uinta County courthouse in Evanston; formally dedicated on August 30, 1958, at the same Labor Day weekend as the opening of the annual Cowboy Days rodeo; moved in 1981 for display in Railroad Park, near Elm Street and Oak Street in the north part of the city, next to North Elementary school; moved by truck to the restored Evanston roundhouse on December 4, 2020.

Notes:

1. UP 4428 was sold to Kansas City Connecting Railroad; scrapped in 1955.
2. UP 4429 was sold to Northern Pacific Terminal Company (Portland, Oregon) in May 1930 as their number 17; scrapped in 1950.
3. Northern Pacific Terminal Company was organized in 1882 and operated by ORy&N; operated by ORR&N after 1896; operated by OWRR&N after 1910; NPTCo was jointly owned as follows: NP with 40 percent, OWRR&N with 40 percent, and SP with 20 percent, with SP&S and GN as tenants; in 1965 NPTCo became Portland Terminal Railroad; as of 2001 ownership was 60 percent UP and 40 percent BNSF.

General Notes:

1. Photographs show that UP 4438 and 4439 were assigned to the Los Angeles area from about 1935 to the end of their careers in 1947 and 1957, respectively.

Notes:

1. UP 4434 was sold to Bunker Hill and Sullivan Mining and Concentrate Company, Kellogg, Idaho.
2. UP 4436 was originally a coal-burner and was originally equipped with 4,500 gallon slope-back tender, like the other Class S-5 switchers. At some point after January 1938 and before January 1943, its tender was swapped for a 7,000 gallon Vanderbilt, the type which it currently has. Gordon McCulloh's research suggests that at the time of the tender swap, this engine was also converted to oil fuel. The standard "switching oil tank" (narrowed at the top for visibility) holds 2,420 gallons of oil.
3. UP 4436 worked in Nebraska until the WW II era when it was moved to the Portland, Oregon area; moved to Evanston, Wyoming, after 1949 at the same time that most other steam locomotives were moved east from the Northwestern District; still in operation Evanston as late as October 1957 (likely the last steam locomotive assigned to Evanston); retired by UP in February 1958; donated to City of Ogden, Utah, and displayed with SP 0-6-0 1297 at Affleck Park (display dedicated on July 18, 1959); moved to Ogden Union Station in 1993.
3. 3. UP 4439 was the last operating steam locomotive in the Los Angeles area; donated in August 1957 to Travel Town in Griffith Park, Los Angeles, California. (Read more about the retirement of UP 4439)
4. UP 4440 was sold to St. Joseph Terminal Company.
5. UP 4442 was assigned as the Omaha depot switcher, with chrome-plated cylinder covers, nickel-plated drive rods, and its boiler jacket extended over its smokebox and painted gray. Retired by UP in April 1960 and donated to City of Las Vegas, Nevada. Seen and photographed en route at Green River, Wyoming, on May 6, 1960. Displayed at Freedom Park; moved in 1984 to Clark County Museum, Henderson, Nevada.

General Notes:

1. All 10 locomotives renumbered from UP 4451-4460 to UP 4600-4609 in September 1920 to clear the 4400 series for new S-6 0-6-0 locomotives delivered in October 1920.

General Notes:

1. UP 4451-4460 were the second series to carry those numbers; UP 4451-4460 (1st) were USRA 0-6-0s renumbered to UP 4600-4609 in September 1920.
2. UP 4466 was the last 0-6-0 in switching service on Union Pacific; operated in the fall of 1958 at Grand Island, Nebraska.

Notes:

1. UP 4453 was sold to Monolith Portland Midwest Company, Laramie, Wyoming in 1955; retired in 1968.
2. UP 4455 was sold to Monolith Portland Midwest Company, Laramie, Wyoming in 1949; retired in 1970; donated to Colorado Railroad Museum, Golden, Colorado, in September 1972; remained stored across 44th Avenue from the museum until January 2008 when it was moved by truck onto museum property.
3. UP 4453 and 4455 were sold to Monolith Portland Cement at Laramie, Wyoming. Monolith Portland Midwest Company operated a cement milling plant at Laramie beginning in 1927 as Monolith Portland Cement Company; merged with Monolith Midwest Company in 1929 to form Monolith Portland Midwest Company; Monolith Portland Midwest was sold to Mountain Cement Company after 1987; the mill remains today [2008] at the same location, operating as Mountain Cement Company, a subsidiary of Eagle Materials.
4. UP 4457 was sold to St. Joseph Terminal Company.
5. UP 4464 was sold to Bunker Hill and Sullivan Mining and Concentrate Company, Kellogg, Idaho.
6. UP 4466 was assigned as the Cheyenne shop switcher until it was moved to Grand Island, Nebraska sometime before April 1960; retired at Grand Island in July 1962 and held for historical purposes, photo at Grand Island in May 1966 Trains magazine, page 13; stored at Grand Island until donated to Railway & Locomotive Historical Society in 1973; moved to California in May 1973; donated to California Railroad Museum, Sacramento, California, in June 1978; restored to service in 1984, with partial support of UP; out of service since 1999 awaiting extensive boiler repairs.
7. UP 4476 was wrecked on March 7, 1947 at Grand Island, Nebraska; retired in April 1947 and scrapped.

General Notes:

1. UP 4500 was UP's only 0-8-0; built as UP 2-8-0 1636 in 1900; renumbered to UP 416 in May 1915; rebuilt to 0-8-0 4500 in June 1924.

General Notes:

1. UP 4600-4609 were built as UP 4451-4460 (1st) in 1918; renumbered to UP 4600-4609 to clear the 4400 series for additional CS pattern 0-6-0s.