The YANMAR YB401W and YB401W-2 are robust Crawler-backhoe machines designed for demanding work environments. These models, identified by machine ranges 00501-00503 for the YB401W and 20501-60501 for the YB401W-2, are powered by a reliable 3TNV84-WB water-cooled, 4-cycle diesel engine, delivering a maximum power output of 33.1 kW. With a hydrostatic transmission and 4-wheel drive, they offer efficient operation and maneuverability. The YB401W series is engineered for durability and performance, making it a valuable asset for various construction and excavation tasks.

This Parts Catalogue manual serves as a comprehensive guide for identifying and ordering components for the YANMAR YB401W / YB401W-2 Crawler-backhoe. It details critical information such as engine specifications, transmission details, dimensions, and operational capabilities, including digging depth and reach. The manual is an essential resource for owners, mechanics, and technicians to ensure proper part selection and maintain the optimal performance and longevity of the equipment.