This 176 page, 8½"x11" Wire bound book has 164 diagrams like those shown above plus clearance drawings for standard and narrow gauge locomotives and equipment as well as an index by class and unit number. A large majority of pages have B&W photos, which are also listed on the index pages. Each sub-class has it's own diagram, detailing overall dimensions, horsepower information, railway assignments (i.e.: CN or GTW etc.), truck types, number of fans, dynamic brakes, steam or electric generators, roof top air tanks on GEEP units, max. speed, max. operating curve, etc.