The 1970s saw GE continue to produce the Universal Series to Railroads nationwide. The 1970s also brought about the new Dash7 series, which led to the advent of the Dash8 series in the mid1980s. Success has only continued since the 1980s with more quality Diesels emerging from the Erie, PA plant. These new AC units are only the tip of the Iceberg in the new AC Traction Motor revolution. This will appear before the Horsepower rating.
B units have two four-wheel trucks with all axles powered.
The Universal series carries this desination after the horsepower rating. This is a designator which appears before the horsepower rating. C units have two three axle trucks with all axles powered. The Universal series carries this desination after the horsepower rating. This is a suffix designation appearing after the horsepower rating.