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    Hydraulic Excavators Crawled (KOBELCO)

    Hydraulic Excavators Crawled (KOBELCO)
    R904BL


    ALL MAKERS >
    Main Specifications
    Std. Bucket capacity = (Old-JIS/New-JIS)
    Operating weight 12000kg Std. bucket width
    Std. bucket capacity 0.45/m3
    Dimensions
    Overall length

    A
    		7320mm
    Undercarriage width

    E
    Rear end radius

    B
    		2100mm
    Track gauge F
    		1990mm
    Std. shoe width

    C
    		700mm
    Overall height

    G
    		2820mm
    Track length

    D
    		N/Amm
    Overall width H
    		2690mm
    Crawler length

    (D)
    		3490mm
    Ground clearance

    I
    		N/Amm
    Std. arm length  
    N/Amm
       
       
    Engine
    Manufacturer MITSUBISHI No. of cylinders 6
    Model 6D10C Bore x Stroke 105x115mm
    Rated output 66.2{90}/1900kW{PS}/rpm Displacement 6.0ltr.
    Max.torque N/AN-m/min-1  
    Hydraulic System
    Relief valve setting 17.2MPa Hyd. pump type x qty. GPx3
    Performance
    Gradeability 35deg.
    Max. digging reach at G.L. X
    		N/Amm
    Arm crowd force N/AkN
    Max. dumping clearance Y
    		5340mm
    Bucket digging force 56.9/kN
    Max. digging height Z
    		7620mm
    Max. digging depth U
    		4300mm Min. outside turning radius
    --mm
    Max. digging depth (P) V
    		Travel speed 2.3km/h
    Max. digging reach W
    		7440mm Swing speed
    boom swing offset

     

    		Boom swing angle NIL deg.
    Others
    Remarks N/A
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