The Hitachi Zaxis 240N-3 is a robust excavator engineered for demanding construction and earthmoving applications. This model features a powerful Isuzu AH-6HK1X diesel engine, a 7.8-liter powerplant delivering approximately 165 horsepower, coupled with a hydrostatic transmission and a tracked drive system for superior traction and maneuverability on challenging terrain. Its substantial operating weight of around 23,700 kg, coupled with impressive digging depth and reach capabilities, makes it a reliable and efficient workhorse. The Zaxis 240N-3 is designed with operator comfort and safety in mind, incorporating a ROPS/FOPS cab. This comprehensive Service Repair Workshop Manual provides essential information for the maintenance and repair of the Hitachi Zaxis 240N-3 excavator. It covers critical areas including detailed engine specifications, hydraulic system parameters, transmission operation, and fluid capacities. The manual outlines maintenance schedules, such as the recommended 250-hour engine oil service interval, and offers guidance on troubleshooting and technical procedures. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the optimal performance, longevity, and safety of their equipment.