The Komatsu PC45MR-3 Mini Excavator is a robust and reliable machine designed for a variety of construction and excavation tasks. Built with Komatsu's commitment to engineering excellence, this model offers a powerful 38.5 hp Komatsu 4D94E-2 diesel engine, a hydrostatic transmission for smooth operation, and an operating weight of 4530 kg. Its compact design, with an overall width of 1900 mm and a maximum digging depth of 4060 mm, makes it suitable for working in confined spaces while maintaining impressive performance capabilities, including a bucket force of 45.6 kN. This comprehensive workshop and operation manual provides essential information for the maintenance and repair of your Komatsu PC45MR-3 Mini Excavator, serial numbers 6243 and up. Covering critical areas such as engine specifications, hydraulic system details, fluid capacities, and operational performance data, this 287-page English-language guide is an indispensable resource. It is designed to assist owners, operators, and technicians in understanding the machine's functions, performing routine maintenance, and troubleshooting potential issues to ensure optimal performance and longevity.