JOHN DEERE 850D LC CRAWLER EXCAVATORS

Technical Description

The John Deere 850D LC is a heavy-duty production-class excavator engineered for demanding construction, quarry, and mass-excavation applications. With a net power output of 532 horsepower at 1,800 rpm from its turbocharged, cooled AH-6WG1XYSA-03 engine, this machine delivers robust performance and reliability. The 850D LC features a Powerwise III engine hydraulic management system, optimizing hydraulic flow for responsive operation and efficient cycle times. Its hydraulic system offers a pump flow capacity of 139 gallons per minute, a relief valve pressure of 4,975 psi, and a total hydraulic fluid capacity of 208.7 gallons, ensuring consistent power delivery. The excavator’s operating weight is 185,874 lbs, supported by a durable undercarriage with a 36-inch shoe size, 51 shoes per side, and a track gauge of 11.4 feet, providing excellent stability and ground pressure of 11.8 psi. The machine’s swing speed reaches 7.3 rpm, and it can travel at up to 2.5 mph. With multiple boom and stick configurations, the 850D LC offers maximum cutting heights up to 50.4 feet, digging depths up to 39.9 feet, and a maximum reach along the ground of 56.9 feet. The bucket capacity ranges from 2.8 to 6.5 cubic yards, with a reference capacity of 4.6 cubic yards. The 850D LC also features a 296-gallon fuel tank, a 24-volt electrical system, and a 50-amp alternator, making it well-suited for extended operation in challenging environments.