This comprehensive Allis Chalmers D-21 D-21 Series II 210 220 Factory Service Repair Manual provides a step-by-step guide to maintaining and repairing your tractor. It is the official, genuine repair manual used by factory-trained technicians, offering you the same level of expertise. Within this manual, you'll discover detailed instructions and clear illustrations, ensuring you can confidently perform any repair or maintenance task. The manual covers a wide range of topics, including the engine, lubrication system, cooling system, fuel system, disassembly and servicing, general maintenance, separation, clutch, transmission, drive chain and sprockets, rear axle, brakes, front axle, steering, shocks, body work, intake and exhaust, hydraulic system, electrical system, routine maintenance, advanced troubleshooting, and wiring diagrams. With this manual, you'll have access to all the necessary illustrations, diagrams, and specifications required to guide you through any repair procedure. The advanced troubleshooting guide will assist you in diagnosing and correcting any problems that might arise. Whether you're a seasoned mechanic or a dedicated owner looking to save on repair costs, this manual provides the essential information to keep your Allis Chalmers D-21 D-21 Series II 210 220 tractor running smoothly and efficiently.

The Allis-Chalmers D-21 and D-21 Series II were popular and versatile tractors, renowned for their reliable performance and robust design. The D-21, introduced in 1960, was a workhorse for farmers and ranchers, offering a powerful 60-horsepower engine and a variety of optional features. The Series II, a minor upgrade launched in 1963, focused on improved comfort and convenience for the operator. Both models boasted a robust cast-iron construction, a simple and straightforward operating system, and a spacious operator platform for enhanced comfort. The D-21's design emphasized ease of maintenance, with readily accessible components and replaceable parts. The hydraulic system was designed for efficient operation, providing ample power for various implements, such as plows, cultivators, and loaders. The tractors were powered by a 4-cylinder, naturally aspirated diesel engine, known for its fuel efficiency and durability. The D-21 featured a 3-speed transmission with 6 forward and 2 reverse gears, while the Series II offered a 4-speed transmission with 8 forward and 2 reverse gears, providing greater flexibility for different tasks. The D-21 and D-21 Series II were available with different tire and wheel options to suit various terrains and applications. They were praised for their maneuverability and traction, making them ideal for working on uneven or challenging terrain. Their durability and simplicity made them a popular choice for farmers seeking a reliable and hardworking tractor that could handle a wide range of tasks. While production of the D-21 ceased in 1969, these tractors continue to be appreciated for their performance, ruggedness, and affordability, making them a coveted choice for collectors and enthusiasts.