The Komatsu PC400-7/PC400LC-7 Hydraulic Excavator Service Repair Manual is an essential resource for owners and operators seeking to confidently maintain their machines. This comprehensive manual provides detailed information and guidance for all aspects of repair and maintenance. From basic servicing to complex troubleshooting, the manual covers every system and component of the excavator. Clear step-by-step instructions, complemented by numerous diagrams and illustrations, make even the most challenging repairs accessible, ensuring a thorough understanding of each process. With its user-friendly design, this manual empowers individuals to tackle their own repairs, saving valuable time and resources.

The Komatsu PC400-7 and PC400LC-7 are powerful and versatile hydraulic excavators designed for heavy-duty construction and earthmoving applications. These models are renowned for their durability, reliability, and high performance, making them a popular choice for a wide range of projects. The PC400-7 series boasts a robust design with a powerful Komatsu SAA6D170E-7 engine that delivers impressive digging force and lifting capacity. The excavator features a spacious and ergonomic cab with a comprehensive control system, providing operators with optimal comfort and visibility. Its advanced hydraulic system ensures smooth and efficient operation, maximizing productivity and minimizing downtime.

The Komatsu PC400-7 and PC400LC-7 are equipped with a wide range of attachments, allowing operators to tackle diverse tasks. From standard buckets for excavating and loading to specialized attachments like breakers, shears, and grapples, these excavators offer unparalleled versatility. The PC400LC-7, a longer undercarriage model, provides enhanced stability and maneuverability in challenging terrain. Both models are built with safety and operator comfort in mind, featuring numerous safety features including a robust rollover protective structure (ROPS) and a falling object protective structure (FOPS) to provide a secure working environment. The PC400-7 and PC400LC-7 are known for their low operating costs, attributed to their fuel efficiency, long service intervals, and durable components, making them a cost-effective investment for construction and earthmoving projects.