Milwaukee Road's EMD SDL39 diesel locomotives came from ... with a 12-cylinder 645E prime mover, but on a shorter (and lighter) frame. At 55 feet, 2 inches they were in fact slightly shorter ...

The U23B was essentially a lower-horsepower, shortened version of the U30B that produced 3,000 hp from a 16-cylinder prime mover ... While competing EMD models of the same era were made in ...