This comprehensive Hitachi EX120-1 Workshop Service Repair Manual provides detailed instructions and technical specifications for maintaining and repairing your excavator. It encompasses a vast range of information, allowing you to perform various tasks with confidence and accuracy. The manual covers a complete service manual for Isuzu engines, including the 4BD1, 4BD1T, 6BB1, 6BD1, and 6BD1T models. It offers clear and concise step-by-step instructions, accompanied by diagrams, pictures, and illustrations, making it easy to understand and follow. This structured approach enables you to troubleshoot issues effectively and perform repairs efficiently, minimizing time and the risk of costly errors. The manual outlines all specifications and tolerances, ensuring precision in every repair. Furthermore, it provides a thorough explanation of the functions of each component and system within the excavator. This detailed understanding allows for a greater comprehension of the machine's workings, facilitating more effective maintenance and repair procedures.

The Hitachi EX120-1 is a robust and versatile excavator designed for various construction and demolition tasks. It is a popular choice for projects requiring a balance of power, maneuverability, and efficiency. The EX120-1 boasts a powerful engine that delivers substantial digging force while maintaining fuel efficiency. Its compact and well-balanced design allows for easy operation in confined spaces, making it ideal for urban construction projects. The excavator features a spacious and comfortable operator cab with excellent visibility for enhanced operator safety and productivity. Its robust undercarriage and durable components ensure long-lasting performance even under demanding conditions. The EX120-1 is equipped with a range of features designed to enhance operator comfort and performance. These include a powerful hydraulic system for smooth and responsive operation, adjustable seat with lumbar support, ergonomic controls, and a climate-controlled cab. The inclusion of a comprehensive safety system with features such as a rollover protection structure (ROPS) and a falling object protection structure (FOPS) ensures a safe working environment for the operator. The EX120-1 offers a wide range of attachments, including buckets, breakers, and grapple, allowing for diverse applications and maximizing its versatility. This makes it a valuable asset for construction companies, demolition contractors, and other organizations operating in various industries. The Hitachi EX120-1 is renowned for its reliability, durability, and ease of maintenance, making it a reliable and cost-effective option for a wide range of operations.