This manual covers the Komatsu WA65-3, WA65-3 Parallel Lift, WA75-3, WA85-3, WA90-3, and WA95-3 Wheel Loaders. These machines are engineered for heavy equipment applications, designed to deliver reliable performance in demanding environments. Their robust construction and advanced features ensure efficiency and durability for a wide range of operational tasks. This comprehensive guide serves as both a Service Repair Manual and an Operation & Maintenance Manual. It details essential procedures for maintenance, assembly, disassembly, servicing, operation, handling, lubrication, checking, adjustment, and troubleshooting. The manual is intended to help users achieve peak performance through effective, economical, and safe machine operation and maintenance, covering critical aspects from safety protocols to technical data.