This comprehensive technical manual provides in-depth information on maintaining, assembling, disassembling, and servicing John Deere 2440 and 2640 tractors. Packed with detailed specifications, diagrams, and real-life photographic illustrations, this manual is an invaluable resource for diagnosing, repairing, and maintaining your John Deere machinery.

The manual is organized into numerous sections, each covering a specific aspect of the tractor:

* **General:** This section provides an overview of the tractor, including safety precautions, general maintenance procedures, and basic operating instructions.
* **Engine Repair:** Detailed information on engine components, disassembly, assembly, troubleshooting, and repair procedures.
* **Fuel and Air Repair:** Comprehensive information on the fuel and air systems, including fuel injectors, filters, pumps, air intake, and exhaust systems.
* **Electrical Repair:** Thorough coverage of the electrical system, including wiring diagrams, component identification, troubleshooting, and repair procedures.
* **Power Train Repair:** Detailed information on the transmission, differentials, axles, and drive shafts, including repair procedures and component specifications.
* **Steering and Brakes Repair:** Comprehensive coverage of the steering and braking systems, including hydraulics, components, repair procedures, and adjustments.
* **Hydraulic Repair:** In-depth information on the hydraulic system, including pumps, valves, cylinders, and troubleshooting procedures.
* **Miscellaneous Repair:** Covers various other components and systems, including the cooling system, PTO, and implement connections.
* **Operator Station Repair:** Information on repairing and maintaining the operator's station, including the cab, controls, and instruments.
* **Engine Operation and Tests:** Details on engine operation, performance checks, and diagnostic procedures.
* **Fuel and Air Operation and Tests:** Information on fuel and air system operation, troubleshooting, and performance tests.
* **Electrical Operation and Tests:** Covers electrical system operation, testing, and troubleshooting procedures.
* **Power Train Operation and Tests:** Provides information on power train operation, testing, and diagnostic procedures.
* **Steering and Brakes Operation and Tests:** Details on steering and braking system operation, testing, and troubleshooting procedures.
* **Hydraulic Operation and Tests:** Covers hydraulic system operation, testing, and diagnostic procedures.


This manual is a complete and comprehensive resource for anyone working on John Deere 2440 and 2640 tractors. It includes the information you need to perform routine maintenance, diagnose problems, and make repairs.

The John Deere 2440 and 2640 tractors were workhorses of the agricultural industry, renowned for their reliability, durability, and power. These models, introduced in the mid-1970s, quickly gained popularity among farmers and ranchers for their versatility and ability to handle demanding tasks. The 2440 boasted a 6-cylinder, 6.8-liter engine producing 110 horsepower, while the 2640 boasted a larger, 7.6-liter engine delivering 130 horsepower. Both models featured a rugged, cast-iron transmission with 12 forward and 4 reverse gears, providing a wide range of speeds for various applications. These tractors were designed for a broad range of farm operations, including pulling implements like plows, harrows, and cultivators, as well as powering balers, mowers, and other equipment. They were also popular for loader work, thanks to their robust front axle and hydraulic system.

The John Deere 2440 and 2640 tractors were built with a focus on operator comfort and ease of use. The spacious cab offered exceptional visibility for the operator, allowing for safe and efficient operation in various conditions. The controls were ergonomic and intuitive, minimizing fatigue during long workdays. These models were known for their dependable performance and fuel efficiency, making them a cost-effective choice for farmers and ranchers. The 2440 and 2640 tractors proved to be durable workhorses, capable of handling demanding workloads for years on end. Their robust construction and high-quality components ensured longevity and minimize downtime, allowing farmers to focus on their operations rather than constantly dealing with repairs. Today, these tractors remain popular as reliable and affordable workhorses for a variety of farming and ranching tasks.