sentences:  The first GE diesel electric locomotive was a demonstrator, made to Lemp's specifications by a trio of GE, ALCO and Ingersoll-Rand, who made, respectively, the electrical equipment, the body and the engine.This machine started trials around New York City in 1924, sales of similar locomotives starting from 1925.His system of control is also used in other applications apart from railways, such as on giant earth-moving equipment.