The GE U23B is a 2,250 horsepower diesel-electric locomotive built by GE Transportation from 1968 to 1977. It was one of the most successful models of the Universal Series, with 481 units built, including 16 exported to Peru. The U23B was replaced by the B23-7.

2025年1月2日 · The U23B was a mid-powered, four-axle road-switcher General Electric offered between 1968-1977. It was one of GE's most successful U-boats.

The GE U23B Diesel-electric locomotive was introduced by GE Transportation in 1968 as a medium horsepower roadswitcher, featuring a 12 cylinder FDL engine. It was one of the most successful models of the Universal Series, with railroads ordering it from August 1968 until June 1977 when it was...

2024年11月18日 · The U23B was essentially a lower-horsepower, shortened version of the U30B that produced 3,000 hp from a 16-cylinder prime mover. The 2,250-hp, 12-cylinder U23B would be built over a nine-year span from the late 1960s to the late 1970s, resulting in 481 units for 17 customers. This made it the second best-selling U-series model.

Conrail inherited 77 units from Penn Central, 12 from Lehigh Valley, and 10 new, assigning them to series CR 2700-2798.

Diesel & Electric Locomotive Specifications, 1981, by F. K. Hudson.

These locomotives were originally numbered #301-316, but were later renumbered #2301-2316. These were the first U23Bs ever built, and were the only ones with radiator fairings. The U23Bs were factory built with the nose Gyralite signal light. #2312 was repainted as #1776 for the Bicentenary and named “E.W. McCrea.”

Diesel & Electric Locomotive Specifications, 1981, by F. K. Hudson.

Powered by a V12 FDL prime mover, the 2250 h.p. U23B was GE’s intermediate-sized four-axle road-switcher of the late 1960s through the mid 1970s. The U23B’s direct competitor during this period was the very successful EMD GP38.

Powered by a General Electric V12-FDL prime mover, the 2.250 h.p. U23b was GE’s intermediate-sized four-axle road-switcher built beetwen late 1960s through the mid 1970s. The U23B’s direct competitor during this period was the very successful EMD GP38.