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        QU20 mechanical crane
      QU20 is designed and developed from our long manufacturing experiences of excavators and cranes.And it has combined with lifting, dragline, clamshell, face shovel, backhoe and pile drving functions. It's a fully swing and crawler travel machine powered by a diesel engine with an optional electromotor driving system. It's main parts are fabricated of steel alloys. It applies hydraulic control system which makes it easy to operate. Some of its transition parts are level controlled and this makes it easy of maintenance and reduces its overall weight. It's especially suitable for repeated and continuous work.
      It's widely used in mineral digging, construction, civil utilities, agriculture andirrigation. By far we have manufactured over 8000 units and sold in the ussr, viet nam, singapore,middle east,africa and other countries and you can find our qu20 excavators, which were made as early as 50 years ago, are still working all over asia.
      By the end of year 2000 we have produced over 10,000 units of qu20 mechanical excavators and exported over 1000 units to more than 20 countries.
       
       Main technical parameters
      Item decription
      Unit
      Data
      Item decription
      Unit
      Data
      Enging Roted Outpwt(6135K-1 diesel)
      kw
      88.2
      Gradeability
      %
      36
      Enging power(Y280M-4 eiectric)
      kw/r/min
      90/1500
      Slewing speed
      r/min
      4.6
      Travelling speed
      km/h
      1.5
      Crawler Ground pressur
      Mpa
      Max.pullig power
      kN
      156
      Dimennsions(L×W×H)
      13910×6450×3775
       Crane
      Project Title
      Symbol units
      Parameters
      Super weight
      t
      20
      Weight
      m
      20
      8
      16
      6.5
      8
      3
      2.3
      1.1
      4
      3
      2
      8
      Main arm length
      mm
      13000
      16000
      23000
      2300帶副臂
      30000
      30000帶副臂
      Luffing main arm speed
      m/s
      0.019
      Jib tilt angle
      。
      78
      50
      7
      78
      50
      78
      50
      78
      50
      78
      50
      Lifting speed
      m/s
      0.259
      0.388
      0.776
      0.388
      0.776
      Rate drop
      m/s
      0.279
      0.418
      0.837
      0.418
      0.837
      Rotary rate
      mm
      4000 7800 4700 9300
      6000 12400
      10800 18000
      7900 16000
      12300 2130
      Upgrade pulley ratio
      3
      3
      3
      3
      2
      2
      1
      1
      2
      2
      Rotary speed
      r/min
      0-2
      Whole quality
      t
      41.92
      42.23
      42.81
      43.43
      43.39
      44.01
      Ground Pressure
      Mpa
      0.87
      0.88
      0.89
      0.90
      0.90
      0.91
       
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        機械式挖掘機生產|20T挖掘機生產企業
        Fushun Hongqiao Construction Machinery Co., Ltd.
        Addr.: No.25 Changchun Str., Shuncheng District, Fushun City, Liaoning Province, China 113006
        Tel:+86-024-57641201 Fax:+86-024-57644168 Sales Manager:Zhao Liang Mobile:13841343456 Email:cnwajueji@126.com
        Website:
        m.55tt4.com(China excavator) website designing:and manufacturing of Internet business online:www.7113.com