This comprehensive manual provides detailed information on the Komatsu PC290LC-6K and PC290NLC-6K Hydraulic Excavators, covering serial numbers K30001 and up. The manual is divided into two parts: the Service Repair Manual and the Operation & Maintenance Manual. The Service Repair Manual contains in-depth technical specifications, detailed diagrams, and step-by-step instructions for troubleshooting, disassembling, repairing, and reassembling all components of the excavators. It covers all major systems including the engine, hydraulics, electrical system, undercarriage, and cab. The Operation & Maintenance Manual provides essential information on safe and efficient operation, routine maintenance procedures, lubrication schedules, and troubleshooting common issues. This manual is an indispensable resource for technicians, operators, and owners seeking to understand the intricacies of these powerful excavators, ensuring optimal performance and longevity.

The Komatsu PC290LC-6K and PC290NLC-6K are powerful and versatile hydraulic excavators designed for a wide range of construction and earthmoving applications. These models are known for their robust construction, advanced technology, and operator-friendly features. With a maximum operating weight of approximately 29,000 kg, the PC290LC-6K and PC290NLC-6K boast impressive digging force and lifting capacity, making them suitable for tasks such as excavation, loading, demolition, and material handling. The PC290NLC-6K model offers the added advantage of a long reach configuration, extending its operational reach and versatility in tight spaces or when working on slopes.

Both models feature a powerful Komatsu SAA6D107E-3 engine that delivers exceptional performance and fuel efficiency. The engine is paired with a sophisticated hydraulic system that provides precise control and smooth operation. The excavators are equipped with advanced features, including a hydraulically adjustable boom and stick, a spacious and ergonomic cab with excellent visibility, and an integrated monitoring system that provides real-time information on machine performance and maintenance requirements. The PC290LC-6K and PC290NLC-6K are engineered with safety and durability in mind, incorporating robust components and advanced safety features to ensure operator safety and minimize downtime. These excavators offer a combination of power, versatility, and user-friendliness, making them ideal for demanding construction and earthmoving projects.