The John Deere 3640 Tractor Technical Manual is a comprehensive guide for maintaining, assembling, disassembling, and servicing your John Deere 3640 Tractor. This manual provides detailed information and data specifically for this model, including specifications, diagrams, and real-life photo illustrations with color schemes. It's the ultimate resource for diagnosing, repairing, and maintaining your John Deere machinery.

The manual is organized into sections covering every aspect of the tractor. Sections include:

* **General:** This section covers specifications, pre-delivery and delivery inspections, after-sales inspections, lubrication and service, tune-up procedures, and tractor separation.
* **Engine:** This section focuses on the engine, including the radiator and engine tests.
* **Fuel and Air Intake System:** This section covers the fuel tank, auxiliary tank, water trap, cold weather starting aids, speed control linkage, and air filter.
* **Electrical System:** This section provides information on wiring harnesses, controls and instruments, the lighting system, starting motor, and alternator.
* **Power Train:** This section covers the clutch operating linkage, engine clutch, Hi-Lo shift linkage, transmission shift linkage, synchronized transmission and transmission oil pump, differential, final drives, PTO, front PTO, and front wheel drive U.J. drive shaft and disk clutch.
* **Steering System and Brakes:** This section includes information on hydrostatic steering, hydraulic brakes, handbrake, and hydraulic trailer brakes.
* **Hydraulic System:** This section covers valves, hydraulic pumps, rockshaft, front hitch, selective control valves, quick couplers, and remote cylinders.
* **Miscellaneous:** This section covers front and rear wheels, AXLA trailer hitch, and height-adjustable trailer hitch.
* **SG2 Cab:** This section covers the air conditioning system, cab ventilation and heating, operator's seat, and SG2 cab.

This manual provides detailed information on each component, making it an invaluable tool for anyone working on a John Deere 3640 Tractor.

The John Deere 3640 tractor, a stalwart of agricultural machinery, was a popular choice for farmers throughout the 1980s and early 1990s. This versatile machine was known for its powerful engine, sturdy construction, and dependable performance. The 3640 boasted a six-cylinder, naturally aspirated, 6.8-liter diesel engine capable of producing 125 horsepower, making it suitable for a wide range of applications from plowing and disking to hauling implements and transporting materials. The tractor featured a robust transmission, offering a choice of 8 forward and 4 reverse gears, allowing operators to efficiently adjust speed depending on the job at hand. A signature feature of the 3640 was its iconic "Power-Shift" transmission, which allowed for seamless gear changes without the need for clutching, enhancing operator comfort and productivity.

The John Deere 3640 tractor was built with durability and operator comfort in mind. The cab was spacious and well-equipped, offering excellent visibility and a comfortable working environment. The operator could benefit from a variety of features, including a heater, air conditioning, and a suspension seat. The 3640's hydraulic system was designed for efficient operation of various implements. The tractor featured a powerful pump and a three-point hitch with a generous lift capacity, enabling it to handle heavy loads with ease. The 3640's wide wheelbase and robust construction ensured stability and traction, even on challenging terrain. Its easy-to-maintain design minimized downtime and maximized uptime, making it a reliable workhorse for farmers. The John Deere 3640 tractor remains a popular choice for those seeking a dependable, powerful, and versatile machine for a variety of agricultural tasks.