This comprehensive manual provides a complete resource for maintaining and repairing Komatsu HM400-2 Articulated Dump Trucks manufactured from 2001 onwards. It includes three essential sections: the Service Repair Manual, the Field Assembly Manual, and the Operation & Maintenance Manual. The Service Repair Manual offers detailed instructions and diagrams for troubleshooting and repairing all aspects of the truck's systems, from the engine and transmission to the hydraulics and electrical components. The Field Assembly Manual provides step-by-step guidance on assembling the truck from its individual components, making it an invaluable resource for technicians involved in new truck construction or major rebuilds. Lastly, the Operation & Maintenance Manual covers routine maintenance procedures, safety guidelines, and operating instructions, ensuring your Komatsu HM400-2 performs reliably and efficiently. This manual serves as a complete reference for mechanics, operators, and maintenance personnel, offering the knowledge needed to maximize the lifespan and productivity of your Komatsu articulated dump truck.

The Komatsu HM400-2 Articulated Dump Truck is a powerful and versatile machine designed for heavy-duty hauling in diverse applications. This robust truck is built to handle demanding tasks in construction, mining, quarrying, and other industrial settings. Its articulated design, characterized by a hinged frame that allows for exceptional maneuverability, makes it ideal for navigating tight spaces and uneven terrain. The HM400-2 boasts a substantial payload capacity, enabling efficient material transport in large volumes. Powering this workhorse is a powerful diesel engine, delivering ample torque and horsepower to tackle challenging inclines and demanding loads. The truck's robust construction, featuring heavy-duty axles, suspension, and drivetrain components, ensures durability and longevity even in harsh working environments.

The HM400-2 is designed with operator comfort and safety in mind. Its spacious cabin provides excellent visibility, ergonomic controls, and a comfortable operator environment. The truck incorporates numerous safety features, including a comprehensive braking system, a robust rollover protection structure (ROPS), and a falling object protection structure (FOPS). Additionally, its advanced electrical system features integrated diagnostics and monitoring systems, enabling efficient maintenance and troubleshooting. The HM400-2 also emphasizes environmental considerations through advanced emission control technologies, minimizing its environmental impact. With its impressive performance, robust construction, operator-centric design, and commitment to safety and environmental standards, the Komatsu HM400-2 Articulated Dump Truck stands as a reliable and efficient solution for heavy-duty hauling tasks.