This comprehensive workshop service repair manual for the Fiat 680 DT tractor is designed for experienced mechanical technicians. It provides detailed instructions for repair and overhaul procedures, assuming a strong understanding of general automotive practices. The manual emphasizes the unique aspects of the Fiat 680 DT, enabling technicians to deliver high-quality service. It includes instructions for components manufactured specifically for the Fiat 680 DT, as well as instructions from respective component manufacturers for proprietary parts, allowing technicians to fully understand their functions and overall system performance.

The manual presents the most reliable information available, offering guidance for maximizing the value of your Fiat 680 DT. It contains many specifications and procedures found in authorized Fiat 680 DT dealer service departments, including information on routine maintenance, servicing, and troubleshooting. The manual clearly highlights critical information using the words "WARNING," "CAUTION," and "NOTE," and provides step-by-step diagnostic and repair procedures for various issues.

This manual empowers you to perform simpler repairs yourself, potentially saving you time and money compared to visiting a dealership. However, always prioritize safety by utilizing proper equipment and adhering to safety precautions while working on the Fiat 680 DT, including using a torque wrench to ensure fasteners are tightened correctly.

The manual occasionally refers to special tools recommended or required for certain adjustments or repairs. These tools are identified by their Fiat 680 DT special tool number and illustrated within the manual. By owning and referring to this manual, you will gain a deeper understanding of your Fiat 680 DT and confidently perform repairs like a professional automotive technician.

The manual covers a wide range of topics, including:

* Tune-ups for the Fiat 680 DT
* Maintenance procedures for the Fiat 680 DT
* Removal and installation instructions for various components
* Assembly and disassembly processes
* Fuel system operation and repair
* Ignition system operation and repair
* Lubrication system operation and repair
* Exhaust system operation and repair
* Electrical system operation and repair
* Bodywork repair
* Engine and transmission disassembly and repair

This comprehensive manual provides all the necessary instructions for any repair your Fiat 680 DT may require.

The Fiat 680 DT is a robust and versatile tractor that became a popular choice for farmers in the 1970s and 1980s. This model was part of Fiat's renowned "600 Series" of tractors, known for their reliability and durability. The 680 DT was specifically designed for heavy-duty agricultural applications, offering a powerful engine and robust construction. Powering this machine was a naturally aspirated, 4.4-liter, four-cylinder diesel engine, delivering a peak output of around 80 horsepower. This power was transferred to the wheels through a synchronized, six-speed gearbox, allowing operators to select the right gear for different tasks. With its sturdy front and rear axles, the 680 DT could handle a variety of implements, including plows, cultivators, and harrows, making it an ideal choice for both fieldwork and transportation.

The Fiat 680 DT was known for its comfortable working environment. The spacious cab provided a clear view of the surroundings, and the controls were designed for ease of use and operation. The tractor incorporated a hydraulic system for raising and lowering implements, which simplified tasks such as plowing and harvesting. While the 680 DT was primarily intended for agricultural work, its versatility extended beyond the farm. Its robust design and impressive capabilities made it suitable for a variety of other tasks, including forestry, construction, and even light commercial transport. Despite its age, the Fiat 680 DT remains a valuable asset for many farmers and operators. This tractor's durability and reliability have made it a favorite among those who appreciate a proven workhorse, even in the modern era. While parts may be more challenging to find, dedicated enthusiasts ensure the 680 DT continues to find a place in the agricultural landscape.