This manual covers the VIO45-5, VIO45-5B, VIO55-5, and VIO55-5B compact excavators. These tracked, diesel-powered machines are engineered for versatility and performance in a variety of construction and landscaping applications. Featuring a water-cooled engine with direct injection and a hydrostatic transmission, these excavators are designed for efficient operation and reliability. Their compact design and robust construction make them suitable for navigating confined spaces while delivering powerful digging and reach capabilities. This comprehensive Service Repair Manual in English provides essential information for the maintenance and repair of your excavators. It details routine maintenance procedures, fluid capacities, lubrication schedules, and technical specifications. This guide is an invaluable resource for owners, mechanics, and technicians, offering the necessary knowledge to ensure optimal performance, longevity, and safe operation of the VIO Series excavators.