By Thomas J. Strauss

Hardcover

Volume Four presents an in-depth look at Milwaukee Road’s Second Generation/Four-Axle Locomotives. Featured are EMD: GP30, GP35, GP40, GP38-2, MP15AC, and rebuilt GP20 units. Also featured, GE: U25B, U28B, U30B, and U23B locomotives. Throughout this volume we see these four-axle units at work across the vast system as well as close-up detail views.