The Doosan DX140W-5 and DX160W-5 Excavator Shop Service Manual is a comprehensive technical guide for the repair, maintenance, and troubleshooting of the Doosan DX140W-5 and DX160W-5 wheeled excavators. This manual covers key systems such as the engine, hydraulics, transmission, electrical systems, and undercarriage. It provides step-by-step repair instructions, detailed diagrams, technical specifications, and troubleshooting procedures to help technicians perform efficient and accurate repairs. This service manual is essential for maintaining the performance, reliability, and longevity of the Doosan DX140W-5 and DX160W-5 excavators.