Nothing grabs a tractor lover more than a big tractor! In 150 brilliant full-color photos, author Robert Pripps, one of the world's most respected tractor historians, presents 50 of the biggest, most powerful, and heaviest tractors and steamers ever to plow the fields of the twentieth century.

Coverage of each tractor includes three large, full color photos, as well as a historical write-up on each and a data box containing information on horsepower, engine displacement, size of drive wheels or tracks, weight, years built and original retail price, where available. The book also features original advertising for these workhorses of the agricultural world.

• Features 50 of the biggest tractors of the Twentieth Century
• Contains 150 eye-popping full color photos
• Includes technical data for each featured tractor