This manual covers the Volvo EC140B LCM, a robust excavator engineered for demanding work. Featuring a powerful D7E diesel engine with a displacement of 6.8 L and delivering up to 95 kW of gross power, this machine is built for reliability and performance. Its hydrostatic all-wheel-drive transmission ensures efficient power delivery, while its substantial operating weight of 13900 kg and dimensions, including a length of 7170 mm and width of 2690 mm over tracks, indicate its capacity for significant tasks. The EC140B LCM is designed for various construction and excavation applications, offering a blend of power, durability, and operational efficiency. The purpose of this service manual is to provide comprehensive guidance for the repair and maintenance of the Volvo EC140B LCM. It details essential procedures, technical specifications, and troubleshooting information necessary to keep the equipment in optimal working condition. Key areas covered include engine specifications, hydraulic system details, undercarriage information, fluid capacities, and recommended service intervals for engine oil and hydraulic filters. This manual serves as an indispensable resource for owners, operators, and technicians to ensure the longevity and efficient operation of their Volvo EC140B LCM.