This manual covers the HITACHI ZX 190W-3 HYDRAULIC EXCAVATOR. Designed for demanding work environments, this model exemplifies HITACHI's commitment to robust engineering and reliable performance. Its advanced hydraulic systems and durable construction ensure efficiency and longevity, making it a trusted choice for excavation and construction projects. The purpose of this comprehensive workshop service repair manual is to provide detailed information for the maintenance and repair of the HITACHI ZX 190W-3 HYDRAULIC EXCAVATOR. It includes essential procedures, technical specifications, and troubleshooting guidance necessary for technicians and mechanics to ensure optimal operation and longevity of the equipment.