The Komatsu PW170ES-6K is a robust rubber-tired excavator designed for demanding construction and earthmoving applications. This model, part of the ES-6K generation, is engineered for reliability and performance, featuring a powerful SA6D102E diesel engine with a displacement of 5.88 L and an output of 103 kW. Its hydrostatic power shift transmission provides efficient operation with two forward and two reverse speeds, complemented by a substantial operating weight of 17,100 kg. With an overall length of 9,520 mm and width of 2,550 mm, the PW170ES-6K offers a balanced combination of size and capability for various job sites. This comprehensive shop manual provides essential information for the maintenance and repair of the Komatsu PW170ES-6K rubber-tired excavator and its 102 Series engine. It covers critical areas including detailed engine specifications, transmission information, and maintenance procedures such as engine oil type and capacity, and hydraulic oil capacity. The manual also includes technical specifications for dimensions and performance metrics like maximum travel speed. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the optimal performance, longevity, and safe operation of their equipment.