Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The John Deere 120D is a hydraulic excavator in the 12-ton class, designed for general earthmoving, trenching, utility work, and site preparation. It is part of John Deere's D-Series excavator lineup and is commonly used in construction, landscaping, and municipal applications. The machine features a diesel engine, hydraulic boom and arm controls, a rotating upper structure, and a crawler undercarriage for stability on uneven ground. Typical attachments include buckets, thumbs, and hydraulic tools. The 120D is valued for its balance of digging performance, transportability, and versatility across a range of jobsite conditions.