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1. Turbo-charged-cooled diesel engine 2. Crossover power of two pumps for reasonably distributing and using the power 3. The control technology of the negative flow: Reducing the energy consumption greatly 4. Keeping the boom and stick's load 5. Reviving the boom and stick's oil liquid, the confluence of two pump, raising the working efficiency 6. Normal closed brake for swing and travel 7. Two shift travel speed to satisfied the moving requirement of the machine 8. Automatically raising pressure when walking to satisfied the need of raising strength 9. Integrated oil& water cooler with compact conformation 10. Better reliability with Parker hose &seals and Trelleborg cylinder seals 11. Attachment designed by CAD, case shape and casting-welding structure realizing the high strength 12. LCD meters show automatic illumination and detection of the various pressure, temperature and oil level to have sound-light alarm 13. Cab is provided with large tri-dimensional ventilation, fresh air circulation, large capacity air condition without fluorine 14. The operator's cab with the wide vision field and the streamlined appearance, matching the decoration and function with human nature, and offering the working environment in a car. 15. Automatically injecting the fuel (option).No. Item Unit Data 1 Machine weight t 40 2 Bucket capacity Standard m 3 2.0 Range m 3 1.6 ~ 2.5 3 Diesel engine Model C8.3-C260 Power /Speed kW/rpm 194/2000 Fuel tank Capacity L 520 4 Hydraulic system Max. pressure of main oil circuit MPa 29.4 Max. flow of main oil circuit L/min 2×264 Operating style Pilot control Hydraulic oil tank capacity L 300 5 Performance Swing speed r/min 9.25 Travel speed km/h 3.0/5.0 Max. pulling force kN 307.8 Gradeability % 70 Ground pressure MPa 0.078 Circulating time of operation s 16 6 Working date Boom length mm 3800 Stick length mm 2980 Max. digging radius mm 8200 Max. digging depth mm 2930 Max. digging height mm 8300 Max. unloading height mm 5800 Max. digging force of stick kN 194 Max. breakout force of bucket kN 180
