Used Caterpillar 345B Excavators For Sale

The Caterpillar 345B is a hydraulic excavator in Caterpillar's large excavator lineup, designed for heavy-duty earthmoving, trenching, loading, and general construction applications. It is commonly used in mining, quarrying, site development, and infrastructure work where high digging force and reach are required. The 345B typically features a crawler undercarriage, a reinforced boom and stick, and a diesel engine matched to hydraulic systems for controlled operation. As an excavator, it is built for productivity in demanding material handling tasks and is often configured with a standard digging bucket or other work tools depending on application and market.