The Komatsu WA250-5 Wheel Loader, designed for robust performance and reliability, is engineered to meet the demanding requirements of various operational environments. Featuring a powerful Komatsu S6D102E-1 diesel engine, this machine delivers substantial gross power of 116 kW (155 HP) and net power of 105 kW (141 HP) at 2000 rpm. Its advanced Komatsu Hydrostatic Transmission (HST) and 4-wheel drive system ensure efficient power delivery and maneuverability. With an operating weight of 10,500 kg (23,150 lbs) and a rated bucket capacity of 1.5 m³ (2.0 yd³), the WA250-5 is a versatile and capable machine for material handling tasks. This Operation & Maintenance Manual provides comprehensive guidance for the Komatsu WA250-5 Wheel Loader, serial numbers 72302 and up. It covers essential information including foreword, safety precautions, detailed operating procedures, and critical maintenance schedules. Within its 253 pages, you will find specific details on lubrication, fluid capacities, service intervals for engine oil, hydraulic oil, and transmission oil, as well as filter replacement guidelines. Technical specifications, information on attachments and options, and an index are also included to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of their equipment.