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With a maximum operating weight of 30 kg and a net power rating ISO of kW, the D2 L is designed for high productivity, versatility, low operating costs and exceptional reliability. The Cat C7. Premium features include cross-sensing hydraulics for greater efficiency, robust major structures for long-term durability, ergonomic cab for increased productivity, and simplified routine maintenance for reduced owning and operating costs.

Engine and hydraulics The design of the Cat C7. An advanced fuel-filtration system makes the engine less sensitive to low quality fuel, and the radial-sealed air filter features a double-layered filter core for maximum filtration capability.

The D2 L features a powerful pilot-operated hydraulic system with two main pumps that have a cross-sensing system to utilize percent of engine power for maximum hydraulic efficiency. Regeneration valves in the boom-down and stick-in circuits speed cycles, reduce hydraulic flow requirements, conserve fuel and reduce operating costs. Cylinder snubbers cushion shock in the boom and stick circuits to protect hydraulic components and increase operator comfort. Auxiliary-hydraulic-valve control circuits are available to extend versatility.

The control circuits allow use of high- and medium-pressure work tools, such as shears, grapples, hammers, pulverizers, multi-processors and vibratory plate compactors. Structures Depending on the region, the excavator is available with a long undercarriage, designated the D2 L. A heavy-duty, X-shaped, box-section carbody resists torsional stress as it transfers working forces from the upper mainframe to the massive, press-formed track-roller frames.

Structural welds are 95 percent robotic, achieving three times the penetration of manual welds. The standard 6. Both booms have two stick options, 3.

Booms and sticks use box-section construction with high tensile strength steel to provide optimum digging forces. Cat buckets for the D2 L are designed to match machine capabilities, ensuring high production and reduced fuel consumption. Buckets include heavy-duty for mixed materials and cohesive soils, plus severe-duty for highly abrasive materials.

Operator environment In the ROPS cab, operators can adjust the right and left joystick consoles to their liking, and the low-effort joysticks allow precise, proportional control of hydraulic functions. A high-resolution LCD monitor, 40 percent larger than on previous models, is programmable in 42 languages and alerts the operator to abnormal temperatures and pressures. The monitor also serves as the display for an available rearview camera system. Large glass areas enhance all-around visibility, and automatic bi-level air conditioning and fully adjustable suspension seats provide optimum operator comfort.

Filter- and fluid-change intervals are displayed via the main menu on the monitor. A concentrated remote greasing block on the boom delivers lubrication to difficult-to-reach components, promoting safety and ensuring that all linkage points are serviced to reduce wear and to extend component life.

Scheduled Oil Sampling ports allow technicians to collect reliable samples of hydraulic oil, engine oil and coolant for analysis. Information includes machine location, operating hours, fuel usage, idle time and event codes.

Cat Detect technologies combine safety features and alerts to enhance job-site safety. Contact the local Cat dealer for additional information about the D2 L Excavator, or go to the www. Print Media.


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