The Alco S6 (DL 461) was a diesel-electric locomotive of the switcher type rated at 900 horsepower, that rode on two-axle trucks, having a B-B wheel arrangement.
The Alco S6 (DL 461) was a diesel-electric locomotive of the switcher type rated at 900 horsepower-axle trucks. Axle trucks were having a B-B wheel arrangement.900 horsepower rode on two.