This comprehensive McCormick Deering 15-30 Tractor Overhaul Repair Manual provides detailed instructions, diagrams, and manufacturer specifications for servicing your tractor. The manual covers a wide range of components, including the air cleaner, axles, belt pulley, brakes, bull pinion shaft, camshaft, carburetor, clutch, connecting rods and bearings, cooling system, crankshaft, cylinder head, cylinder removal, differential, drawbar, engine, fan, fan belt, final drive, flywheel, fuel tank, governor, hood, magneto and ignition timing, manifold and muffler, oil pump, operating instructions, piston pin, piston rings, platform, push rods, radiator, sectional view, spark plugs, steering mechanism, timing gears, transmission, using the tractor, valves, water outlet manifold, and wheels and axles. Each chapter is fully bookmarked for easy navigation, allowing you to quickly find the specific repair procedure you need. Detailed illustrations and photos guide you through each step, making the process clear and understandable. This manual is a valuable resource for anyone who wants to maintain and repair their McCormick Deering 15-30 tractor.

The McCormick Deering 15-30 was a popular and versatile tractor produced by the International Harvester Company from 1918 to 1931. This model was part of the "Farmall" series, designed to be a powerful and reliable workhorse for farmers. The "15-30" designation referred to its rated horsepower, with 15 horsepower at the drawbar and 30 horsepower at the belt pulley. This tractor was known for its durability and robust construction, making it suitable for a wide range of agricultural tasks, from plowing and harrowing to running threshing machines and other farm equipment. The McCormick Deering 15-30 featured a four-cylinder gasoline engine, a distinctive "McCormick" red paint scheme, and an open operator platform with a distinct “square” design. The 15-30 was a significant contribution to the mechanization of agriculture in the early 20th century. Its reliability, power, and versatility helped to transform farming practices and improve productivity. The tractor's design incorporated numerous innovative features for the time, including a robust transmission, a reliable cooling system, and a convenient operator platform. The McCormick Deering 15-30 remained a popular and sought-after tractor for many years, and its legacy continues to influence tractor design and functionality today. The 15-30 is still considered a classic tractor by enthusiasts and collectors, and many examples have been restored to their original condition for use in vintage tractor shows and parades.