The Komatsu WA700-3 and WA700-3D wheel loaders, designed for heavy-duty applications, represent robust engineering and reliable performance. These machines are equipped with a powerful 21.1 L diesel engine delivering a net power of 328 kW (440 HP) and feature the Komatsu Advanced Transmission with Lockup (KAT) for efficient power transfer. With a substantial operating weight of 46700 kg and a standard bucket capacity of 7.0 m³, these wheel loaders are built to handle demanding tasks in construction, mining, and material handling environments, offering exceptional breakout force and operational stability. This Service Repair Manual provides comprehensive guidance for the Komatsu WA700-3 and WA700-3D wheel loaders, covering all aspects from front bumper to rear. It details essential information including general overviews, structure and function, testing and adjusting procedures, disassembly and assembly instructions, maintenance standards, and other critical data. This manual is an indispensable resource for owners, mechanics, and technicians, enabling them to perform maintenance, diagnostics, and repairs effectively, ensuring the longevity and optimal performance of their equipment.