This comprehensive Komatsu PC120-6 Excel Hydraulic Excavator Service Repair Manual provides in-depth information on maintaining, assembling, disassembling, and servicing your Komatsu PC120-6 Excel Hydraulic Excavator. It covers a wide range of topics, ensuring you have the necessary knowledge to handle any repair or maintenance task. The manual is specifically designed for the Komatsu PC120-6 Excel Hydraulic Excavator, with serial numbers 57499 and up. This model features the S4D102-1 engine, and while the manual provides information for the excavator itself, detailed engine information can be found in the separate 102 Series Engine Shop Manual. Inside the manual, you'll discover detailed specifications, clear diagrams, and real-life photo illustrations that guide you through every step of the repair, diagnosing, servicing, technical maintenance, and troubleshooting process. This manual empowers you to confidently tackle repair work on your machine, saving you money and time. The information presented is comprehensive, enabling you to identify problems and understand how to repair and maintain your excavator efficiently. The manual's structure is organized into distinct sections: * **General:** Covers fundamental information and overviews. * **Structure and Function:** Explains the design and operation of the excavator's components. * **Testing and Adjusting:** Provides instructions for testing and adjusting various systems. * **Disassembly and Assembly:** Details step-by-step procedures for taking apart and putting back together different parts of the excavator. * **Maintenance Standard:** Outlines standard maintenance practices and schedules. * **Other:** Includes additional relevant information. With its comprehensive content and well-organized structure, this Komatsu PC120-6 Excel Hydraulic Excavator Service Repair Manual is an essential resource for anyone who wants to confidently maintain and repair their machine.

The Komatsu PC120-6 Excel Hydraulic Excavator is a powerful and versatile machine designed for a wide range of construction and demolition applications. This model, introduced by Komatsu in the mid-2000s, is known for its robust build, efficient operation, and advanced features. The PC120-6 Excel is equipped with a powerful diesel engine, providing ample power for demanding tasks. The excavator's hydraulic system delivers precise control and smooth operation, enabling operators to handle a variety of attachments, including buckets, breakers, and grapples. Its sturdy undercarriage ensures stability and maneuverability on challenging terrain. The PC120-6 Excel also boasts a spacious and ergonomic cab, maximizing operator comfort and productivity. Komatsu's commitment to innovation is evident in the PC120-6 Excel. This model features a range of technological advancements aimed at enhancing performance, efficiency, and safety. The excavator incorporates a sophisticated electronic control system, ensuring optimal engine performance and smooth hydraulic operation. An advanced monitoring system provides real-time information on key parameters like engine speed, hydraulic pressure, and operating conditions. This allows operators to monitor the machine's performance and make informed decisions for optimal efficiency. The PC120-6 Excel also features a comprehensive safety system, including a robust ROPS/FOPS cab, ensuring the operator's protection under challenging working conditions. With its powerful engine, efficient hydraulic system, advanced features, and robust design, the Komatsu PC120-6 Excel Hydraulic Excavator is a reliable and capable machine for tackling a wide array of construction and demolition projects.