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DX300LC

DX300LC
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Doosan Infracore Construction Equipment Bucket capacity(SAE): 0.80 ~ i.75m3(i.05 ~ 2.29 cu.yd)

Doosan DX300LC Hydraulic Excavator : A New Model with Novel Features The new DX300LC hydraulic excavator has all the advantages of the previous model, and now offers additional added value to the operator. The new DX300LC was developed with the concept of “providing optimum value to the end user.” In concrete terms, this translates, into :

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Increased production and improved fuel economy is attributed to the electronic optimization of the hydraulic system and the new generation DOOSAN engine (Tier / Stage ). Improved ergonomics, increases comfort and excellent all round visibility ensuring a safe and pleasant working environment. Improved reliability is achieved through the use of high performance materials combined with new methods of structural stress analysis, and leads to increased component life expectancy, thus reducing running costs. Reduced maintenance increases the availability and reduces operating costs of the...

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The hydraulic excavator's power, durability, ease of servicing and its precise control increase its effectiveness and life expectancy. With the DX300LC, DOOSAN offers an excellent return on Multi-function color Choice of operating modes Working mode Digging mode: for general excavation, loading, lifting... Trenching mode: swing priority for trench work, canal digging, Power mode Standard: uses 85% engine power for all work (optimum fuel efficiency) Power: uses 100% engine power for heavy work Warning lights Control panel With color LCD display Operation modes Mode selection Flow rate...

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COMFORT The work rate of the hydraulic excavator is directly linked to the performace of its operator. DOOSAN designed the DX300LC by putting the operator at the centre of the development goals. The result is significant ergonomic value that improves the efficiency and safety of the operator. More space, better visibility, air conditioning, a very comfortable seat... These are all elements that ensure that the operator can work for hours and hours in excellent conditions. Control panel Correct positioning with clear controls makes the operator’s task easier. Rear Camera The high performance...

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PERFORMANCE The performance of the DX300LC has a direct effect on its productivity. Its new "Common Rail" engine and new e-EPOS controlled hydraulic system have combined to create an unbeatable hydraulic excavator, with a cost/performance ratio that makes the DX300LC even more appealing. At the heart of the hydraulic excavator is the new “Common Rail” DOOSAN DL08 engine. It is combined with the new e-EPOS electronic control system, for optimum power and fuel saving. The new engine produces 197 hp(147 kw/200 PS) at only 1,900 rpm, and more torque, due to its careful design combined with the...

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Bucket Cylinder Boom Load holding vah .— Control Valvt EXCAVATOR CONTROL New e-EPOS system (Electronic Power Optimizing System) The brains of the hydraulic excavator, the e-EPOS, have been improved and now can electronically link to the engines ECU (Electronic Control Unit), through a CAN (Controller Area Network) communication link, enabling a continuous exchange of information between the engine and the hydraulic system. These units are now perfectly synchronised. The advantages of the new e-EPOS impacts at several levels, Ease of operation and user-friendliness: The availability of a...

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RELIABILITY The reliability of an item of plant contributes to its overall lifetime operating costs. DOOSAN uses computer-assisted design techniques, highly durable materials and structures then test these under extreme conditions. Durability of materials and longevity of structures are our first priorities. X-chassis The X-chassis frame section has been designed using finite element and 3dimensional computer simulation, to ensure greater durability and optimum structural integrity. The swing gear is solid and stable. Strengthened Boom The shape of the boom has been optimized by finite...

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Integrated Track Spring and Idler The track spring and the idler have been joined directly to achieve high durability and improved maintenance convenience. Tracks The chain is composed of selflubricating sealed links isolated from all external contamination. The tracks are locked by mechanically bolted pins. Polymer shim A polymer shim is added to the bucket pivot to promote extended pin and bushing life. Pump coupling A polymer material is used to produce the coupling between the pump and engine. This material has a long life and reduces noise and vibration levels.

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MAINTENANCE Short maintenance operations at long intervals increase the availability of the equipment on site. DOOSAN has developed the DX300LC with a view to high profitability for the user. Engine oil filter The engine oil filter offers a high level of filtration allowing the oil change interval to be increased to 500 hours. It is easy to access and is positioned to avoid contaminating the surrounding environment. Easy maintenance Access to the various radiators and coolers is very easy, making cleaning easier. Access to the various parts of the engine is from the top and via side panels....

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TECHNICAL SPECIFICATIONS ENGINE HYDRAULIC SYSTEM Model Doosan DL08 “Common Rail” engine with direct fuel injection and electronic control, 4 valves per cylinder, vertical injectors, water cooled, turbo charged with air to air intercooler. The emission levels are well below the values required for phase III The heart of the system is the e-EPOS (Electronic Power Optimizing System). It allows the efficiency of the system to be optimized for all working conditions and minimizes fuel consumption. The new e-EPOS is connected to the engine electronic control via a data transfer link to harmonize...

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HYDRAULIC CYLINDERS SWING MECHANISM The piston rods and cylinder bodies are made of high-strength steel. A shock absorbing mechanism is fitted in all cylinders to ensure shock-free operation and extend piston life. Cylinders Boom Arm Bucket Bore x Rod diameter x stroke 140 X 95 X 1,440mm(5.5”X 3.7” X 4’9”) 150 X 105 X 1,755mm(5.9” X 4.1” X 5’9”) 140 X 90 X 1,150mm(5.5” X 3.5” X 3’9”) An axial piston motor with two-stage planetary reduction gear is used for the swing. Increased swing torque reduces swing time. Internal induction-hardened gear. Internal gear and pinion immersed in lubricant...

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