This comprehensive service and repair manual offers a detailed guide to maintaining, assembling, disassembling, and servicing Komatsu HD785-3 and HD985-3 dump trucks. The manual contains in-depth information to ensure you have the knowledge and resources to handle a wide range of tasks, from routine maintenance to complex repairs. It is an essential resource for mechanics, technicians, and anyone involved in the operation and upkeep of these heavy-duty vehicles.

The Komatsu HD785-3 and HD985-3 are heavy-duty, rigid-frame dump trucks designed for demanding off-highway applications in mining, quarrying, and construction. These powerful machines are renowned for their durability, reliability, and high productivity. The HD785-3 boasts a payload capacity of 100 tons, while the larger HD985-3 can haul an impressive 120 tons. Both models are equipped with powerful Komatsu SAA6D170E-3 engines, offering robust power and torque for efficient hauling, even in challenging terrain. The trucks feature a robust drivetrain with an automatic transmission and a durable planetary final drive, ensuring reliable operation in harsh environments. Their heavy-duty suspension system provides exceptional stability and ride comfort, further contributing to operator productivity and safety.

The Komatsu HD785-3 and HD985-3 are engineered with a focus on safety and operator comfort. The spacious cab offers excellent visibility and ergonomic controls, reducing operator fatigue during long shifts. The trucks are equipped with a comprehensive suite of safety features, including automatic fire suppression systems, rollover protection structures (ROPS), and fall protection systems. The highly-integrated electronic control systems provide real-time monitoring of critical vehicle components, enabling preventative maintenance and minimizing downtime. These features ensure that the HD785-3 and HD985-3 operate safely and efficiently, meeting the demands of modern mining and construction projects. The Komatsu service and repair manual for these models provides detailed information on their mechanics, electrical systems, and maintenance procedures, ensuring that technicians have the necessary knowledge and resources to keep these powerful machines running at peak performance.