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Equipment Spotlight: Medium And Large Excavators
Large and medium excavators from John Deere, Case, Kobelco, New Holland, Hitachi, Volvo CE, Caterpillar, Komatsu America and Doosan.
The 220D W wheeled excavator features a Tier 3-certified engine with fuel-efficient 5.2-L diesel engines rated at 159 hp and weighing in at 51,368 pounds. The 220D W has a dig depth at 20 feet, 8 inches, and more digging forces. This model is also available with a mono boom for long-distance work and blades for backfilling. The Powerwise III engine/hydraulic management system maximizes engine output and delivers smooth, predictable multi-function operation while saving fuel. One work mode makes it easy to be productive in any application. The two-speed Powershift transmission shifts smoothly on the go from low to high. 800.503.3373, www.deere.com
The CX800B excavator features an electronically controlled, common rail Tier 3-certified 15.7L Isuzu engine which delivers 532 net hp. The common rail fuel injection system, combined with the redesigned hydraulic system, delivers increased fuel efficiency over the previous model. The CX800B features regenerative hydraulics on the boom and arm, as well as the bucket curl, which speeds the cycle time required to get a bucket of dirt. Larger-diameter hydraulic cylinders deliver a breakout force of 74,187 pounds. The excavator cab features a seat that adjusts independently of the joystick controls for improved operator comfort and ergonomics. The CX800B excavator also features memorized operator adjustment, which automatically adjusts to the last settings selected by the operator. An optional air seat makes the operator even more comfortable. The CX800B features a “green plug” that provides an easier, cleaner and greener engine oil change. The engine oil filter, remotely located in the pump house, is easy to change without the need to go underneath the machine. The hydraulic oil filter provides 100-percent continuous flow filtration of all hydraulic oil on the return line. Flip-open service panels provide easy access to virtually all key components.