In July 1987, Santa Fe GE U23B No. 6332, was remanufactured in the railroad’s Cleburne shops in Texas. Santa Fe No. 7200 was the prototype for a proposed rebuild program for the 6300-6348 GE U23... (more)

Built as U23B, remanufactured as 3000-hp SF30B by Santa Fe, Cleburne, later derated to 2,300 hp.

Santa Fe's attempt at rebuilding the U23B fleet. The SF30C was technically a success, so they flirted with upgrading the U23B fleet to 3000 hp and larger fuel capacity. Sadly it didn't succeed f... (more)