The GE U25B is General Electric's first independent entry into the United States domestic road switcher diesel-electric locomotive railroad market for heavy production road locomotives since 1936.

The U25B was General Electric's entry into diesel locomotive manufacturing as an independent builder. The company, however, was no stranger to locomotive production. As Brian Solomon notes in his book, " GE Locomotives," it built its first electric locomotive for …

fresh from the paint shop! RB-1; 4 U25Bs! on a wreck extra; one of the rare occasions that a U-25B was on the Mountain Division (due to weight restrictions). The "class" unit iof the ex Rock Island U25s got Guilford paint early on, and may have been the only unit to get it.

Chicago Rock Island & Pacific Photographic Roster, Locomotive Model: U25B : 3/6/2025 View Photos ·Home · ...

Mar 7, 2025 · Union Pacific was an early customer for GE’s U25B. The road owned 16 examples (625–640) of this first U-boat. The group included a mix of early production (high- and low-nose) U25Bs, some coming from GE demonstrator service.

ri u25b 200: ri u25b 201: ri u25b 202: ri u25b 203: ri u25b 204: ri u25b 207: ri u25b 207: ri u25b 211 : ri u25b 211: ri u25b 214 : ri u25b 219: ri u25b 220 - may 1975: ri u25b 225: ri u25b 225 - march 1980: ri u25b 226 : ri u25b 227: ri u25b 227: ri u25b 228 action: ri u25b 228 - april 1968: ri u25b 228 - oct 1970: ri u25b 228 - august 1977 ...

Hard to believe RI 225 would get a second life on the Maine Central. Rock Island U25B was still producing ton-miles with an eastbound freight despite her derelict appearance. Date of photo approximate.

Rock Island U25B 208 is the last of four RI units (the other three being GP40s, 383, 377, 4702) in a train off the Tucumcari line at El Paso on 3 March 1973. While it was not unheard of for them to continue west towards Tucson, without dynamic brakes they were not …

Inside the U25B. As mentioned earlier, the U25B is powered by Cooper-Bessemer’s 4 stroke, 16 cylinder FDL-16 diesel engine (and, in 1963, the FDL-16A, beginning with C&O 2515) which generates electricity to the four axle-mounted GE-752 traction motors housed in its Type B trucks.

Mar 16, 2020 · The U25B was the first domestic GE road diesel. Hundreds of export Universal Series road diesels were built before the U25B was announced.