Baldwin DRS-4-4-1500

The Baldwin DRS-4-4-1500 was a diesel-electric locomotive of the road switcher type rated at 1500 hp, that rode on two-axle trucks, having a B-B wheel arrangement. It was manufactured by Baldwin Locomotive Works from 1947 until it was replaced in 1950 by the 1600 hp AS-16.

Nine railroads bought 35 locomotives, with five railroads later buying the successor model.