Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The Caterpillar 320D is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, site preparation, and material handling. It is powered by a Caterpillar diesel engine and uses a hydraulic system matched to digging, lifting, and swing operations. The 320D is commonly configured with a standard boom, stick, and bucket, and may be fitted with auxiliary hydraulics for attachments. Typical applications include construction, utility work, road building, and quarry support. The machine is known for its tracked undercarriage, operator cab, and service access designed for routine maintenance and field operation.