Used Caterpillar 317 Excavators For Sale

The Caterpillar 317 is a hydraulic excavator in Caterpillar's medium-size excavator lineup, designed for general earthmoving, trenching, utility work, and site preparation. It is commonly configured with a diesel engine, hydraulic system, and undercarriage built for digging performance, lifting capability, and transport efficiency. The 317 is used in construction, infrastructure, and utility applications where a balance of reach, power, and maneuverability is required. Depending on model year and configuration, it may include advanced operator controls, fuel-saving features, and multiple attachment options. Caterpillar excavators are supported by a global dealer network for parts, service, and machine management.