2023年12月30日 · Beginning in the mid 1930s Union Pacific became best known for its motive power innovation. First with the 4-12-2 Union Pacific-type, then with the articulated, …

Rebuilt to MP1500D, to HBT, to BJRY.

2024年12月19日 · The GP7 and GP9 were nearly identical and it required a keen eye to spot the notable differences. The most recognizable was the addition of a stainless steel, "GP9" model …

The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of …

2018年3月8日 · The turbochargers were removed in 1962 or 1963, with the unit being rebuilt back to a standard GP9. (Read more about UP's GP9 turbocharging program) UP 202B and 203B …

2016年1月1日 · (Read more about UP's GP9 turbocharging program) UP 283 participated in the GP9 turbocharging program by having extra openings cut in its car body as a test to …

UP GP9 261 runs slowly through the Salt Lake City shop area in June 1973. It's hood displays additional ventilation holes put in it by the UP from when it was one of the first two UP GP9s …

4 天之前 · Great Western GP9 locomotive #296 was built by EMD in September of 1954 as Union Pacific #296. The locomotive was one of a group of five UP GP9's that were equipped with …

UP GP9 290 built Sept. 1954, retired Sept. 1976, sold and became C&NW GP7R 4381 in May 1977, and seen at Oelwein, IA April 9, 1977. Bill Kuba photo, Iowa Chapter NRHS collection 3.

2025年3月10日 · Union Pacific has equipped 25 EMD GP9 road-switchers with AiResearch turbochargers, hiked unit horsepower from 1750 to 2000 plus. Revamped diesels are said to …