This comprehensive parts catalog provides a complete listing of all parts for the Yanmar YB451(-2) and YB501(-2) crawler-backhoe models. The catalog covers all parts for the following models and machine numbers: * Model YB451, YB501: From Machine No. 00501 * Model-changed machine (March 1986): From Machine No. 10501, 50001 * Model YB451-2, YB501-2: From Machine No. 20501, 60501 This valuable resource is essential for anyone involved in the maintenance, repair, or restoration of these crawler-backhoes.

## Yanmar YB451(-2) and YB501(-2) Crawler-Backhoes: Powerful and Versatile Excavators The Yanmar YB451(-2) and YB501(-2) crawler-backhoes are powerful and versatile machines designed for a wide range of construction and utility tasks. They are compact yet robust, offering a balance of digging power, lifting capacity, and maneuverability. Both models feature a reliable Yanmar engine, providing efficient performance and fuel economy. The YB451(-2) is equipped with a 45 horsepower engine, while the YB501(-2) boasts a 50 horsepower engine, catering to varying project demands. These crawler-backhoes come equipped with a standard backhoe attachment, providing excavating and loading capabilities. The backhoe features a powerful hydraulic system, allowing for smooth and precise operation. The digging depth and reach of the backhoe are optimized for efficient excavation, making these machines ideal for trenching, foundation work, and material handling. Beyond the backhoe functionality, the Yanmar YB451(-2) and YB501(-2) crawler-backhoes offer exceptional versatility through a wide range of optional attachments. These attachments include a variety of buckets, breakers, augers, and other tools that expand the machines' capabilities. They are well-suited for tasks like landscaping, landscaping, road construction, and utility work. The machines' compact size and maneuverability make them ideal for working in tight spaces and confined areas. Their robust construction and durable components ensure long-lasting performance, even under demanding conditions. With their combination of power, versatility, and reliability, the Yanmar YB451(-2) and YB501(-2) crawler-backhoes are robust and valuable assets for any construction or utility project.