The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the …

UP 4007 leads a southbound freight on the first day of winter with the tempature a crisp -5 degrees at Mona Utah. Westbound with autoracks. UP Huntington Sub. Foreign units invade …

No. 4007 was a member of the first class of 4-8-8-4s constructed by American Locomotive Company in 1941. These locomotives, a type unique to the Union Pacific, had two sets of 68 …

4007 was the 8th of UPs 25 Big Boys built, having been contructed by ALCO in September, 1941. This engine would serve with UP for around 18 years, finally being retired in 1959 along with …

2025年1月1日 · Pictures of UP 4007, Model: 4-8-8-4 : 1/1/2025 View Photos ·Home · ...

UP 4007 : UP 4007 leads a southbound freight on the first day of winter with the tempature a crisp -5 degrees at Mona Utah. Date: 12/21/2006: Location: Mona, UT: Views: 295: Collection Of: …

2025年3月8日 · UP 4007 : Description: with a pair of Norfolk Southern GE's. Photo Date: 4/9/2005

No. 4007 on the hill east of Laramie, Wyoming, August 17, 1957. ©2019 Richard Leonard. This photo appears in Brian Solomon's book Locomotive.

2025年2月19日 · UP 4007 (4-8-8-4) Serial Number: 69578: Order No: S-1844: Frame Number: 23¾X32 cylinders, 68" drivers: Built: 8/1941: Notes: 4-8-8-4, Schenectady 08/41, retired …

2024年3月23日 · A photograph print showing the Union Pacific (UP) 4007, 4-8-8-4, on extra West up Sherman Hill below Sherman, WY, 47 cars, 30 mph