Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
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The John Deere 120D is a hydraulic excavator in the 12-ton class, designed for general earthmoving, trenching, site preparation, and utility work. It is part of John Deere's D-Series excavator lineup and is commonly used in construction, landscaping, and municipal applications. The machine typically features a diesel engine, hydraulic boom and arm controls, a standard cab or enclosed operator station, and compatibility with a range of buckets and attachments. The 120D is known for balanced digging performance, transportability, and versatility on medium-duty job sites. Exact specifications vary by configuration, year, and market.