This comprehensive manual provides detailed information for maintaining, assembling, disassembling, and servicing your Komatsu WA380-5 Wheel Loader. It is designed to help you achieve peak performance through effective, economical, and safe machine operation and maintenance.

The manual is divided into two sections:

**Service Repair Manual:** This section contains in-depth information, specifications, diagrams, and actual photos to guide you through every step of repair, servicing, technical maintenance, and troubleshooting procedures. It provides the necessary information to identify problems and understand how to repair and maintain your machine without requiring external service.

**Operation & Maintenance Manual:** This section outlines procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It is designed to assist both operators and maintenance personnel in achieving optimal performance through efficient and safe machine operation and maintenance.

The Service Repair Manual covers the following sections:

* **General:**
* **Structure, Function, and Maintenance Standard**
* **Testing and Adjusting**
* **Disassembly and Assembly**
* **Others**

The Operation & Maintenance Manual includes:

* **Foreword**
* **Safety**
* **Operation**
* **Maintenance**
* **Specifications**
* **Attachments, Options**
* **Index**

The manual covers WA380-5 Wheel Loaders with serial numbers 60001 and up. It also includes information about the SAA6D114E-2 engine. For detailed engine information, refer to the 114 Series Engine Shop Manual.

The Komatsu WA380-5 is a powerful and versatile wheel loader designed for heavy-duty construction and mining applications. This model is renowned for its robust construction, high productivity, and operator comfort, making it a popular choice for excavating, loading, and transporting materials in demanding environments. The WA380-5 boasts a powerful Komatsu SAA6D140E-3 engine that delivers impressive torque and horsepower, enabling it to handle large loads with ease. It features a spacious and ergonomic operator cab with a comprehensive instrument panel, providing the operator with clear visibility and control over all machine functions. The WA380-5's advanced hydraulic system delivers smooth and efficient operation, ensuring precise control and optimal performance. The machine's robust frame and durable components ensure long-lasting reliability and minimal downtime, making it a cost-effective investment for demanding operations.

The WA380-5 is equipped with a variety of features designed to enhance safety and productivity. These include a comprehensive safety system with emergency stop mechanisms, automatic boom lockout, and an adjustable seat belt. The machine also features a reinforced ROPS/FOPS cab, providing optimal protection for the operator in the event of a rollover or falling objects. Advanced technology like the Komatsu EMMS (Equipment Management and Monitoring System) allows for real-time monitoring of machine performance, maintenance schedules, and fuel consumption, helping operators optimize efficiency and minimize downtime. The WA380-5's versatility is further enhanced by its wide range of attachments, including buckets, forks, and grapple, allowing it to perform a variety of tasks, from material handling to demolition and landscaping. With its exceptional performance, robust construction, and advanced features, the Komatsu WA380-5 remains a reliable and productive workhorse for demanding construction and mining operations.