This comprehensive **Komatsu WA900-3 Wheel Loader Field Assembly Manual** is designed for safe and effective assembly of your machine. Covering serial numbers 50001 and up, this manual provides detailed step-by-step instructions for assembling your Komatsu WA900-3 Wheel Loader. It includes detailed illustrations, dimensions of removed units, and a layout of the required work space.

The manual starts with general drawings and transportation specifications, followed by a breakdown of each assembly step. You'll find guidance on coupling front and rear frames, installing steering pins and drive shafts, connecting piping, positioning axles and supports, and installing the rear and front axles.

It also covers detailed procedures for installing tires, fuel tanks, drain lines, and various components like ladders, floor and cab assembly, air conditioner hoses, brake lines, PPC line hoses, wiring harnesses, steering oil lines, throttle cables, floor covers, windshield washer hoses, battery box assemblies, and batteries.

The manual proceeds to guide you through installing handrails, rear access steps, rearview mirrors, muffler pipes, counterweights, front lamp assemblies, ROPS canopy assemblies, antennas, working lamps, floor mats, and front fenders.

The final section includes crucial procedures for starting the engine, installing the boom assembly, connecting remote grease tubes, preparing and installing the bucket, adjusting bucket positioners and boom kick-out, adjusting the drive force UP switch, bleeding air from the work equipment circuit, and detailing AJSS specifications (if equipped).

An appendix is included for field assembly inspection reports.

The Komatsu WA900-3 wheel loader is a powerful and versatile machine designed for heavy-duty material handling and earthmoving operations. This robust machine, with serial numbers 50001 and up, boasts a large operating capacity, making it ideal for excavating, loading, and transporting bulk materials in various industries, including construction, mining, and quarrying. The WA900-3 is powered by a high-performance Komatsu engine, ensuring efficient and reliable operation. Its advanced hydraulic system provides precise control and responsive performance, allowing for smooth and efficient material handling.

The WA900-3 is equipped with a spacious and ergonomically designed operator cab, offering excellent visibility and a comfortable working environment. The cab features a variety of controls and instrumentation, providing the operator with all the necessary information and functionality for safe and efficient operation. The machine also incorporates various safety features, including a comprehensive warning system, robust rollover protection structures (ROPS), and fall-arrest systems, aimed at ensuring the well-being of the operator and those working in the vicinity. Its durable frame and components are designed for long-term reliability and resistance to wear and tear, making it a dependable and cost-effective investment for demanding applications. The Komatsu WA900-3 is a superior choice for contractors and operators seeking a reliable, high-performing wheel loader capable of handling heavy-duty tasks with efficiency and safety.