The YB121U and YB151U 2 are compact crawler backhoes designed for efficient operation in confined construction environments. These machines are primarily utilized for digging, trenching, backfilling, and material handling tasks on residential, commercial, and utility projects. Their key characteristics include robust track systems for stability on uneven terrain, powerful hydraulic systems for precise control, and versatile attachment capabilities, making them indispensable tools for landscaping, demolition, and general site preparation.
Comprehensive documentation for the YB121U and YB151U 2 includes detailed operator's manuals, essential for safe and effective use, and thorough service and repair manuals. These technical resources provide step-by-step maintenance procedures, diagnostic...
The YB121U and YB151U 2 are compact crawler backhoes designed for efficient operation in confined construction environments. These machines are primarily utilized for digging, trenching, backfilling, and material handling tasks on residential, commercial, and utility projects. Their key characteristics include robust track systems for stability on uneven terrain, powerful hydraulic systems for precise control, and versatile attachment capabilities, making them indispensable tools for landscaping, demolition, and general site preparation.
Comprehensive documentation for the YB121U and YB151U 2 includes detailed operator's manuals, essential for safe and effective use, and thorough service and repair manuals. These technical resources provide step-by-step maintenance procedures, diagnostic charts for troubleshooting common issues, and critical technical specifications. Access to this information ensures that owners and technicians can perform routine upkeep, identify and resolve malfunctions, and maintain the optimal performance and longevity of these specialized construction machines.
This manual covers the YB121U and YB151U series Crawler Backhoes, including the YB121U-2 and YB151U-2 models. These robust machines are engineered for demanding work, featuring a water-cooled, 1.3L engine and a hydrostatic transmission with crawler drive. Designed for reliability and efficiency, these backhoes are suitable for a variety of construction and excavation tasks.
This document pertains to the YANMAR YB121U / YB151U / YB121U-2 / YB151U-2 crawler-backhoe. These machines are engineered for robust performance and reliability in demanding work environments. This parts catalogue covers specific serial number ranges, including the initial YB121U/YB151U models from Machine No. 00501-, minor changes from Machine No. 10501-, and the YB121U-2/YB151U-2 series from Machine No. 20501-.
