The Komatsu PC240NLC-7K Hydraulic Excavator, identified by serial number prefix K40001 and up, represents a robust and reliable machine engineered for demanding construction and earthmoving applications. Featuring a powerful Komatsu SAA6D102E-2 turbocharged, direct injection diesel engine with a net power output of 125 kW (168 HP) and a displacement of 5.88 L, this excavator delivers exceptional performance while meeting Tier 3 / Stage IIIA emissions standards. Its hydrostatic drive system, coupled with a standard bucket capacity of 1.1 m³ and a maximum digging depth of 6,545 mm, ensures efficiency and versatility across various job sites. The PC240NLC-7K is designed for durability and operational excellence, making it a trusted choice for professionals. This comprehensive Service Manual and Operation & Maintenance Manual, presented in English as a collection of two files, provides essential information for the Komatsu PC240NLC-7K Hydraulic Excavator. It covers critical areas including detailed maintenance procedures, troubleshooting guides, precise technical specifications, and vital safety guidelines. Owners, mechanics, and technicians will find this manual an indispensable resource for understanding the machine's operation, performing routine maintenance, and addressing potential issues. By following the instructions and data within, users can ensure the optimal performance, longevity, and safe operation of their equipment.