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    Hydraulic Excavators Crawled (CAT)

    Hydraulic Excavators Crawled (CAT)
    312B


    ALL MAKERS >
    Main Specifications
    Std. Bucket capacity = (Old-JIS/New-JIS)
    Operating weight 13070(14523)kg Std. bucket width
    Std. bucket capacity 0.54m3
    Dimensions
    Overall length

    A
    		7610(7630)mm
    Undercarriage width

    E
    Rear end radius

    B
    		2130mm
    Track gauge F
    		1990mm
    Std. shoe width

    C
    		500mm
    Overall height

    G
    		2900mm
    Track length

    D
    		2780mm
    Overall width H
    		2820mm
    Crawler length

    (D)
    		3490mm
    Ground clearance

    I
    		2500mm
    Std. arm length  
    N/Amm
       
       
    Engine
    Manufacturer CAT No. of cylinders 4
    Model 3054T Bore x Stroke N/Amm
    Rated output 69{@}/1900kW{PS}/rpm Displacement 3.99ltr.
    Max.torque N/AN-m/min-1  
    Hydraulic System
    Relief valve setting 34.3MPa Hyd. pump type x qty. PPPx2
    Performance
    Gradeability N/Adeg.
    Max. digging reach at G.L. X
    		8195mm
    Arm crowd force /71kN
    Max. dumping clearance Y
    		6083mm
    Bucket digging force /84kN
    Max. digging height Z
    		8529mm
    Max. digging depth U
    		5555mm Min. outside turning radius
    --mm
    Max. digging depth (P) V
    		Travel speed 5.0km/h
    Max. digging reach W
    		N/Amm Swing speed
    boom swing offset

     

    		Boom swing angle N/A deg.
    Others
    Remarks
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