The ALCo C425 was a 2500 horsepower alternative to the C424 model.

The C425 locomotives employed a different main generator to achieve the extra 100 horsepower.

Produced between October 1964 and December 1966, 99 examples were built with several surviving today.

This model will include lighting features and road-specific details that are becoming a Bowser standard.

Analog (DC) version features 21-pin plug for DCC, DCC with sound version features LokSound V5 decoder.