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Doosan Infracore Construction Equipment DX55-9C · Rated Power Operational Weight Bucket Capacity 36.2 kW (48.3 HP) / 2,100 rpm 5,500 kg 0.18 m 3 ~ 0.21 m Doosan Infracore Construction

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Text of Doosan Infracore Construction Equipment DX55-9C · Rated Power Operational Weight Bucket Capacity...

  • Rated Power

    Operational Weight

    Bucket Capacity

    36.2 kW (48.3 HP) / 2,100 rpm

    5,500 kg

    0.18 m3 ~ 0.21 m3

    Doosan Infracore Construction Equipment


  • ApplicationUrban infrastructure, roads construction, agriculture, forestry, stock farming.

    Hydraulic SystemThe hydraulic system realizes max. system power with balance between flow and power.

    Convenience in nighttime work.

    Newly Designed DX-Series Operator CabinThe cabin offers extended field of view, improved convenience, and reduced noisewhile maintaining operator's comfort.

    New Work Light

    Multi-filter ElementHigh quality intake air through dual filter system.Reliable performance in harsh environment.

    Equipped with a high durability Yanmar engine that satisfies Class III Emission Regulation of China, the DX55-9C realizes the highest fuel efficiency of the class. It leads the market with higher work efficiency and digging force than the competitors.

    DX55-9C with Further Enhanced Performance

    22%Fuel EfficiencyFurther improvement than preceding models:

    04%Work PerformanceFurther improvement than preceding models:

    11%Travel SpeedFurther improvement than preceding models:

    The data presented hereinabove are measured in the test environment of the manufacturer and subject to change according to the test conditions. The applicability of the data shall be limited to reference purpose only.

  • 9C Series


    Rated Power


    No. of Cylinders



    36.2 kW (48.3 HP) / 2,100 rpm

    Class III Emission Regulation of China


    3,054 cc


    New Idling Function

    Dedicated to the development of next generation machines with the design philosophy of REDUCED TOTAL COST OF OWNERSHIP, INCREASED DURABILITY, & MAXIMIZED USER PROFITABILITY, Doosan keeps raising its customers' satisfaction level with optimized performance.

    The engine offers reliable power with market-proven durability and high fuel economy.

    After 4 seconds from the joystick stop, the engine automatically enters idling condition, and resumes the operating speed when the joystick operates again. The function reduces total fuel consumption and noise.



    Wider Field of ViewThe cabin window is enlarged to provide the operator with wider field of view for undisturbed operation.

    Designed with low noise, low vibration work space for the operator, and an all weather air conditioner provides safe and pleasant work environment.

  • DX55-9C


    1 2

    New Gage PanelThe new instrument panel is designed for easy monitoring of the machine operating conditions.

    Wide Operating SpaceWider and more pleasant working space provides an enhanced work environment.

    Upgraded Operator Panel, Centralized Switch DesignMetal-texture plates used in luxurious cars and clustered switch design maximize work convenience and efficiency.

    Storage Space and Power ConnectorThe cabin provides convenient small storage compartment and 12V charger connector. Cell phone and other electronic devices can be stored safely. Rapid cooling air conditioner switch provides operators with comfort.

    Double Noise AbsorberNew noise absorber further lowers noise level. Engine room overheating is prevented to improve work comfort and machine durability.

    New Work LightNewly designed work light adds convenience during nighttime operation.


    Reliability improved with advanced design and repetitive verificationMachine service life is extended creating greater user value by advanced 3D CAD, various tests, repeated matching verification, and reliability testing.

    Large BladeLarge blade with increased soil removal capacity implemented by high-durability material and wide-area design.

    Optimized Chassis StructureThe chassis is applied with a new design structure to remove stress concentration and improve machine durability and work stability.

    The track roller attachment point was shifted from lower to middle portion to improve undercarriage stability and structural rigidity of the chassis.

    The structure is enhanced with the new idler wheel, assembly process is simplified, and joint stability is improved with one-piece casting.

    Newly Designed Boom and ArmStress concentration is minimized by improving structural design and reducing weld joints. One-piece type boom support plate improves structural stability and durability of the boom.



    1 2

    Convenient, Fast, and Economic MaintenanceThe convenience of maintenance provides an enhanced operating environment.

    Newly Designed Tool Box Protection CoverThe machine also features a newly designed battery box and storage compartment. A grease gun is stored in the battery box for easier use.The battery and tool box are protected with key cylinders.

    Diesel Cooler and Water TankThe diesel cooler and water tank are arranged parallel for easy installation, removal, and replacement.

  • Best Choice for Best Service

    Smart Doosan Comprehensive Service VehicleDoosan has been operating Comprehensive Service Vehicles across China to provide preventive maintenance.

    Smart Repair


    Oil Filtering

    Functional Optimization

    · Track wear inspection

    · Air-conditioner test kit

    · Engine operation monitoring

    · One-Stop-Service with diversified tools

    · Uninterrupted power supply (UPS) and nighttime work light

    · Online spare parts inquiry & diagnosis system

    · Machine maintenance materials and video clips

    · TMS machine operation index inquiry

    · Test oil contamination

    · Purify contaminated oil, guarantee normal machine operation

    The first service brand of the industry for providing the customers with professional services., ,Offer total solution Upgrade customer service Specialized inspection and pollution control


    No. 1 Customer Satisfaction Record for 11 Years Straight


    4 in 1: Sales, Repair, Parts Supply & Training

    121 Program

    Regional Responsibility System

    Best A/S at min. cost & best satisfaction

    Warranty term by customer's choice

    "Thank-Customers" campaign for celebrating 100k-th product.

    Customers'-site visit inspection.- Thank-You events for customers

    SAN100 Customer Care Center

    DOOSANCAREService Brand

  • Total Solution

    400 Customer Care Centers, ,

    Repair/maintenance within/after warranty period

    Parts/components supply

    Consultation for service parts

    Consultation for service events

    Claim response


    For further details, please contact your regional dealer.Hot Line for Customer Care :4000-777-888 / 0535-6390888





    Location based service using precise geographical and satellite mapsOperating hour analysis, market trend forecast

    Predictive failure alarm, preventive machine maintenance

    Provision of customer's machine information

    Special machines are not subject to the warranty terms above. Doosan Infracore China Co. Ltd. shall hold the right for the final interpretation of the terms.

    Excellent machine supported with best service including consultations

    The DoosanCONNECT is an intelligent machine management tool for Doosan's customers. ‘斗山管家’ is the Chinese brand of DoosanCONNECT.

    Features of DoosanCONNECT

    Text messages to customers to provide daily, weekly, and monthly reports and maintenance information.

    Text Message Service for Customers Detailed monthly maintenance

    reports via e-mail

    E-mail Messages

    Machine monitoring anytime, anywhere

    Mobile AppsMachine information search using notebook, tablet, etc.

    Customer Web Site


    Tank Capacity

    Oil tank Hydraulic oil tank (full)


    Cooling Water/Lubricant Refill Capacity





    Travel Reduce Gear Oil

    2 X 1.4 ℓ

    Swing Reducer


    Main Pump

    TypeMax. flowrate

    Variable piston pump2 X 57.8 ℓ /min

    Safety Valve Setting

    Hydraulic Circuit for Attachment Hydraulic Circuit for TravelHydraulic Circuit for Swing

    210 kgf/cm2

    210 kgf/cm2

    220 kgf/cm2

    Hydraulic System

    Travel MotorSwing Brake

    Axial Piston Type x 2Wet, multi-disc brake

    Hydraulic Motor

    Main Specification

    Drive and Brake

    Feed-forward ControlDrive TypeTravel MotorTravel Speed (High/Low) Brake OperationParking Brake

    Pedal & joystick integralHydraulic driveAxial piston hydraulic motor4.3/2.4 km/hrHydraulic BrakeWet, multi-disc brake

    Travel Mechanism

    Center FrameTrack FrameSealed TrackTrack Adjustment (Height) No. of Track Shoes Carrier RollerTrack Roller

    X-shapedBox-type sectionAuto-greased track Grease adjustment40 each side1 each side5 each side


    ModelTypeIntakeNo. of CylindersCylinder Dia.Piston StrokeRated Power

    4TNV94LSerialNatural intake494 mm110 mm36.2 kW (48.3 HP) / 2,100 rpm

    Swing System

    Drive TypeReducerSwing BrakeSwing Speed

    Hydraulic drivePlanetary gear reducerWet, multi-disc brake9.2 rpm

    Oil Cylinder

    BoomDipper StickBucketBlade

    110 mm X 60 mm X 719 mm85 mm X 55 mm X 883 mm85 mm X 55 mm X 600 mm110 mm X 60 mm X 197 mm

    Max. Digging Force (ISO)

    BucketDipper Stick

    4.1 ton2.5 ton

    Operational Weight

    (With operator, lubricant, coolant, full tanks, and standard specification)

    BoomDipper StickBucketTrack LinkOperational WeightGround Contact Pressure

    3,000 mm1,600 mm0.18 or 0.21 m3 (Option) 380 mm5.5 ton0.28 kg/cm2

  • DX55-9C

    Technical Parameters





















    8’ K








    Tail Swing RadiusShipping Height Shipping Height Shipping LengthCounter WeightWheel BaseTrack LengthHouse WidthCabin Height Above HouseCabin WidthHeight Undercarriage WidthTrack Link WidthTrack HeightGround Clearance

    Max. Digging ReachMax. Digging Reach (Ground)Max. Digging DepthMax. Loading HeightMax. Loading HeightMax. Digging HeightMax. Height of Bucket Pin ShaftMax. Vertical Wall DepthMax. Radius VerticalMax. Depth to 8' LineMax. Radius 8' LineMin. Digging ReachMinimum Swing RadiusBucket Angle

  • The above specification is subject to change without prior notice. For further details, please contact your regional dealer.The photos may differ from the real products, which is not specifically noted.

    Main Office

    Geith International Ltd.


    Doosan Infracore Co., Ltd.



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    Doosan Bobcat Manufacturing s.r.o.

    Czech Republic

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    Doosan Infracore Europe S.A.


    Bobcat France S.A.


    Doosan Infracore China Co., Ltd.

    Incheon Plant


    Gunsan Plant


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    Bobcat Gwinner Plant


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    Doosan: China

    Doosan: Other resions

    Global Network of Doosan Infracore

    Doosan Infracore China Co. Ltd.


    Tel: 0535-6382000

    WeChat Account: Doosan Infracore

    24x7 Hot line for Service & Spare Parts: 4000-777-888

    Please follow us at WeChat to learn more.

    Doosan Infracore Shandong Co., Ltd.

    Doosan Infracore China Co., Ltd.

    Doosan Infracore Construction Equipment


    Issued on: Sep. 2016