Construction Equipment Guide
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The Caterpillar 320B is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, site preparation, and material handling. It is commonly equipped with a diesel engine, hydraulic boom and stick, crawler undercarriage, and a standard operator cab or canopy depending on configuration. The 320B was used in construction, utility, and excavation applications where digging depth, reach, and cycle efficiency were required. Typical attachments include buckets, hydraulic thumbs, and breakers. As a used machine, condition, hours, and service history vary by unit. The Caterpillar 320B remains a recognized model in the excavator market.