Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
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John Deere 120D excavator is a mid-size hydraulic crawler excavator designed for general earthmoving, utility work, site preparation, and material handling. It is part of John Deere's D-Series and is commonly used in construction, landscaping, and municipal applications. The 120D features a diesel engine, hydraulic boom and arm controls, a rotating upper structure, and a tracked undercarriage for stability on uneven ground. Typical attachments may include buckets, thumbs, and hydraulic tools. The model is known for balanced digging performance, operator visibility, and service access. Specifications vary by configuration, year, and market.