This comprehensive Komatsu WA320-6 and WA320PZ-6 Wheel Loader Service Repair Manual provides in-depth information on maintaining, assembling, disassembling, and servicing your machine. Covering serial numbers WA320-6 70001 and up, WA320PZ-6 70092 and up, and WA320PZ-6 H00051 and up, this manual is specifically designed for the WA320-6 and WA320PZ-6 models, which are equipped with the SAA6D107E-1 engine.

The manual includes detailed specifications, diagrams, and real-photo illustrations to guide you through every step of repair, diagnosis, servicing, technical maintenance, and troubleshooting procedures. It covers a wide range of topics, including:

* **Specifications and Technical Data:** Access comprehensive technical specifications for your Komatsu WA320-6 or WA320PZ-6 Wheel Loader.
* **Structure, Function, and Maintenance Standards:** Understand the fundamental design, operation, and maintenance standards of your machine.
* **Engine and Cooling System:** Learn everything about the engine and cooling system, including assembly, disassembly, and troubleshooting.
* **Power Train:** Explore the power train system, covering transmission, axles, and related components.
* **Steering System:** Gain detailed insights into the steering system, including its operation and repair procedures.
* **Brake System:** This section provides a thorough understanding of the brake system, its components, and troubleshooting techniques.
* **Undercarriage and Frame:** Learn about the undercarriage and frame assembly, including maintenance and repair procedures.
* **Hydraulic System:** Dive into the intricacies of the hydraulic system, encompassing components, operation, and troubleshooting.
* **Work Equipment:** Get detailed information about the work equipment, including attachments, operation, and maintenance.
* **Cab and its Attachments:** Understand the cab design, its attachments, and procedures for servicing.
* **Electrical System:** Explore the electrical system in two parts, covering wiring diagrams, troubleshooting, and repair procedures.
* **Standard Value Tables:** Utilize standardized service value tables for accurate maintenance and repair.
* **Testing and Adjusting:** Learn how to test and adjust various components of your machine.
* **Troubleshooting:** A dedicated troubleshooting section offers guidance on identifying and resolving issues, including failure code tables, fuse locations, and troubleshooting procedures by failure code.
* **Disassembly and Assembly:** This comprehensive section provides step-by-step guidance on disassembling and assembling various components of your Komatsu WA320-6 or WA320PZ-6 Wheel Loader.
* **Diagrams and Drawings:** Utilize detailed hydraulic and electrical diagrams for visual clarity and understanding.

This manual offers the complete information you need to repair and maintain your Komatsu WA320-6 or WA320PZ-6 Wheel Loader effectively. With its detailed explanations and comprehensive coverage, you can confidently perform repairs and maintenance yourself, saving time and money.

The Komatsu WA320-6 and WA320PZ-6 wheel loaders are powerful and versatile machines designed for heavy-duty material handling applications. These models are renowned for their robust construction, efficient performance, and operator comfort. The WA320-6 is the standard model, while the WA320PZ-6 is a parallel-zero swing configuration, offering enhanced maneuverability in confined spaces. Both models feature a powerful Komatsu SAA6D107E-3 engine, delivering impressive power and torque for demanding tasks. The hydrostatic transmission provides smooth and responsive operation, allowing for efficient and precise control. The spacious and ergonomically designed cab provides the operator with a comfortable work environment, complete with intuitive controls and excellent visibility. The advanced hydraulic system offers high lifting capacity and fast cycle times, maximizing productivity in various applications.

The Komatsu WA320-6 and WA320PZ-6 wheel loaders are equipped with a range of safety features, including a robust ROPS/FOPS cab, a high-visibility design, and a comprehensive warning system. These features ensure operator safety in demanding working environments. The machines are also built with durability in mind, featuring heavy-duty components and a robust frame. This ensures long service life and minimal downtime. Their versatility makes them suitable for various applications such as loading and unloading trucks, stockpiling materials, excavating, and general construction work. With their exceptional performance, reliability, and operator comfort, the Komatsu WA320-6 and WA320PZ-6 wheel loaders are a popular choice for contractors and businesses requiring robust and efficient material handling solutions.