JOHN DEERE 120 CRAWLER EXCAVATOR

Technical Description

The John Deere 120 is a mid-size hydraulic excavator engineered for versatility and performance on demanding construction and excavation sites. Equipped with a turbocharged Cat 7.1 engine, it delivers 90 hp (67 kW) at 2,200 rpm and 260 lb-ft of torque at 1,400 rpm, ensuring robust power for heavy-duty applications. The engine meets U.S. EPA Tier 4 Final/EU Stage IV and Tier 3/Stage IIIA emissions standards, combining efficiency with environmental compliance. The excavator features two boom/stick configurations, offering maximum digging depths from 17.9 ft to 19.5 ft, maximum reach along the ground from 26.4 ft to 27.1 ft, and maximum loading heights up to 21.7 ft. The reference bucket capacity is 1.1 cu yd, providing substantial material handling capability. The hydraulic system delivers a flow capacity of 26.7 gpm and a relief valve pressure of 4,980 psi, supporting efficient and responsive operation. The undercarriage is designed for stability and traction, with a drawbar pull of 22,050 lbs, a maximum travel speed of 3.4 mph, and ground pressure of 4.6 psi. The machine’s dimensions include a shipping length of 24.9–25 ft, a shipping height of 8.8 ft, and a width to the outside of tracks of 8.5 ft. With a 24-volt electrical system, 45-amp alternator, and comprehensive service refill capacities, the John Deere 120 is built for reliability and ease of maintenance in demanding environments.