Used Caterpillar 345B Excavators For Sale

The Caterpillar 345B is a large hydraulic excavator in Caterpillar's 345 series, designed for heavy-duty earthmoving, trenching, loading, and material handling applications. It is commonly used in construction, mining, quarrying, and site development 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 performance for demanding cycle work. As an excavator, it is built for stability, productivity, and durability in large-scale operations. Configuration, operating weight, and engine specifications may vary by market and production year.