Used Caterpillar 320 GC Excavators For Sale

The Caterpillar 320 GC is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, site preparation, and utility work. It is part of the Cat 320 series and is commonly used in construction, civil engineering, and material handling applications. The 320 GC typically emphasizes lower operating cost, simplified maintenance, and fuel efficiency compared with higher-spec models in the range. Standard features may include a Cat diesel engine, hydraulic system optimized for productivity, and an operator cab with basic comfort and control functions. The model is available with multiple boom, stick, and undercarriage configurations.