This comprehensive Allis Chalmers D19 & D-19 Diesel Tractor Service Manual is a complete guide for maintaining, servicing, diagnosing, and repairing your tractor. It provides detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications covering all aspects of your tractor. The manual covers everything from basic maintenance tasks to complex repairs, including: * **Brakes:** Learn how to inspect, adjust, and repair your tractor's brakes. * **Cooling System:** Get detailed information on maintaining and repairing your cooling system, including the radiator, hoses, and thermostat. * **Steering Gear:** This section covers the steering system, including the steering wheel, column, and linkage. * **Front System:** Explore the components and maintenance procedures for the front axle, wheels, and tires. * **Belt Pulley:** Understand the belt pulley system and how to adjust and replace belts. * **Governor (Non-Diesel):** Learn about the governor system and its function in controlling engine speed. * **Power Take-Off:** This section explains the power take-off (PTO) system and its operation. * **Power-Director:** Get detailed information on the Power-Director system, which helps to manage power output. * **Power Lift System:** Learn about the components and operation of the power lift system. * **Diesel Fuel System:** This section covers the diesel fuel system in detail, including the fuel tank, lines, filters, injectors, and pump. * **Ignition system:** Learn about the ignition system, relevant only for non-diesel tractors. * **Clutch:** Understand the clutch system, including adjustment and repair procedures. * **Differential:** Explore the differential and its operation, including maintenance and repair. * **Final Drive and Differential:** This section covers the final drive and differential, including the axles and gears. * **Electrical:** Get detailed information on the electrical system, including the battery, wiring, alternator, and starter. * **Engine (Diesel):** This section provides comprehensive information on the diesel engine, including its operation, maintenance, and repair. * **Carburetor:** This section covers the carburetor, relevant only for non-diesel tractors. * **LP-Gas System:** Learn about the LP-gas system, if applicable to your tractor. * **Engine (Non-Diesel):** This section covers the non-diesel engine, including its operation, maintenance, and repair. With this manual, you'll have everything you need to keep your Allis Chalmers D19 & D-19 Diesel Tractor running smoothly. It is an invaluable resource for both professional mechanics and do-it-yourself enthusiasts.

The Allis-Chalmers D19 and D-19 diesel tractors were powerful and versatile machines that served as workhorses on farms and construction sites throughout their production run. The D19, introduced in 1956, was a larger and more robust version of the previous D17 model, boasting a powerful 4-cylinder, 190-cubic-inch diesel engine that produced 40 horsepower. The D-19, also known as the "D-19 Special," was a slightly tweaked version of the D19, offered with a variety of options and attachments to suit specific needs. Both models were built with durability and reliability in mind, featuring heavy-duty construction and a rugged design. The D19 and D-19 offered a range of features that made them highly sought-after, including a live hydraulic system for operating implements, a three-point hitch for easy attachment and detachment of implements, and a versatile power take-off (PTO) for powering other equipment. Despite being known for their strength and dependability, the D19 and D-19 were also recognized for their user-friendliness. The tractor's controls were simple and intuitive, making them easy to operate even for those with limited experience. The tractors were also relatively easy to maintain, with readily accessible components and a well-designed service manual. The D19 and D-19 played a vital role in agricultural and construction industries during their time, helping farmers and contractors overcome challenges and achieve their goals. Their legacy lives on today, with many examples of these sturdy tractors still in use and actively contributing to the success of various operations. Although production of the D19 series ceased in 1961, these machines continue to be highly sought after by collectors and enthusiasts who appreciate their robust design, dependable performance, and historical significance.