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:
                                                                      www.hq-epe.cn(China excavator) website designing:and manufacturing of Internet business online:www.7113.com