This comprehensive workshop service manual covers the Allis Chalmers Model D-15 Series II tractor. The manual provides detailed instructions and diagrams for every aspect of servicing and repairing your tractor. From routine maintenance procedures to complex engine overhauls, you'll find everything you need to keep your D-15 running smoothly. The manual includes in-depth information on:

* **Engine:** Covers the engine's operation, disassembly, reassembly, and troubleshooting.
* **Transmission:** Provides detailed instructions on the transmission's workings, adjustment, and repair.
* **Hydraulic System:** Includes diagrams and explanations of the hydraulic system, troubleshooting, and repair procedures.
* **Electrical System:** Features detailed diagrams and instructions for the electrical system, including starting, charging, and lighting.
* **Steering and Brakes:** Offers step-by-step guides for servicing and repairing the steering and braking systems.
* **Body and Accessories:** Provides information on the tractor's body, attachments, and other accessories.

This manual is an essential resource for any owner or mechanic working on an Allis Chalmers D-15 Series II tractor.

The Allis-Chalmers D-15 Series II tractor, a stalwart workhorse of the agricultural world, represents a significant evolution in the D-15 model line. Introduced in the late 1950s, the Series II incorporated several key improvements over its predecessor, notably a more powerful engine and a refined transmission. The D-15 Series II was powered by a 4-cylinder, 150 cubic inch gasoline engine known as the "D-15" engine. This engine, thanks to its updated design, delivered a respectable 37 horsepower, making it capable of handling a wide range of farm tasks. Further augmenting its capabilities was the D-15 Series II's well-regarded transmission. This transmission, with its six forward speeds and two reverse speeds, provided the operator with a versatile selection of gear ratios, allowing for efficient operation in various field conditions.

The D-15 Series II tractor was known for its durability and reliability. Constructed with a robust chassis and heavy-duty components, this machine was designed to withstand years of demanding work. Its uncluttered layout and intuitive controls ensured a comfortable and efficient operation for the farmer. The D-15 Series II was particularly popular for its versatility, being suitable for plowing, disking, cultivating, and even light haulage. Its compact size and maneuverability made it ideal for working in tight spaces and around obstacles. Despite its age, the D-15 Series II remains a sought-after machine by collectors and hobby farmers alike, exemplifying the enduring legacy of Allis-Chalmers in the realm of agricultural machinery.