This comprehensive workshop service repair manual provides in-depth instructions and guidance for servicing and repairing MAN D2565, D2566, and D2866 series diesel engines. It covers all models, engine types, trim levels, and transmissions, ensuring you have the information you need for any repair or maintenance task. This manual is your ultimate resource for everything from routine servicing to complex troubleshooting and repair procedures. The detailed, step-by-step instructions, coupled with clear illustrations, make even the most challenging repairs accessible. With this manual, you'll have the confidence to perform repairs yourself, potentially saving significant costs associated with professional mechanics.

The MAN D2565, D2566, and D2866 series diesel engines are powerful and reliable workhorses designed for heavy-duty applications. These engines, produced by the German engineering giant MAN, are renowned for their durability, efficiency, and low emissions. The D2565 and D2566 models are six-cylinder engines with a displacement of 12.8 liters, while the D2866 boasts eight cylinders and a larger 15.3-liter displacement. This engine family is available in various power outputs ranging from 350 to 700 horsepower, catering to a wide range of applications. Their robust construction, featuring cast iron cylinder blocks and forged steel crankshafts, ensures longevity and high torque output even under extreme operating conditions. These MAN diesel engines find widespread use in various industries and applications. They power heavy-duty trucks, buses, construction equipment, marine vessels, and power generation units. The D2565 and D2566 series are particularly popular for on-highway trucking applications, known for their fuel efficiency and long service intervals. The D2866, with its higher power output, is often chosen for demanding off-highway applications, such as mining and construction, where high torque and reliability are critical. The D2565, D2566, and D2866 series engines are also known for their environmental friendliness, featuring advanced technologies to reduce emissions and meet stringent regulations. These engines incorporate features like exhaust gas recirculation (EGR), selective catalytic reduction (SCR), and diesel particulate filters (DPF) to minimize harmful emissions, contributing to a cleaner environment.