 261 examples of this model were built; railroads that purchased this model include CP, DT&I, GTW, GM&O, IC, LV, L&N, N&W, SLSF, SOU and Pacific Power and Light.Many were upgraded to full GP38-2 status with the Dash 2 modular electrical cabinet.In June 2020 BNSF 2127, originally Frisco 650 built in February 1971, was donated to the Galveston Railroad Museum, in Galveston, Texas.