This all-new guide reviews the most collectible Allis-Chalmers tractors and crawlers ever built, tackling by year of manufacture landmark machines like the Model 20-35, Model U, Model M crawler and Model G. Exclusive photography accompanies complete descriptions of basic model options, specifications, components, paint codes, serial numbers, design changes and promotional literature, while a price guide advises readers on what to look for in each model. Includes brief model histories and descriptions of common repair and restoration needs. 200 black & white and 50 colour illustrations. Paperback. 176pp |