^{Telescopic Excavator Boom Arm , Long Reach Excavator Booms 15500 Mm Length​}

^{1. Applicable for all the make and model of excavator.}

^{2. Standard supply include:bucket,linkage,bucket cylinder, 4oil pipe/hose,6pins,lubricating system}

^{3. Many different material such as Q345B,Q690D,Weldox are optional to suit to your application.}

^{4. Big boom can be two jointed pcs to make it fittable into container to save shipping cost.}

^{5. All the seam are 45 degree tapered before welding.}

^Description:

• ^{This kind of extension arm is for very special project case.}
• ^{We have already produce a 15.5m long boom for customer PC200 excavator,but in some projects the lengh is not enough.}
• ^{If customize a new longer long boom,cost too much money.}
• ^{so we customize this telescopic extension arm for the long reach boom,to make the max cut depth 1.5m deeper.}

^{Specification:}

^{Specification of this extension arm:}

^{Above parameter is our standard parameters,if you need special design,we can customize for you.}

^{Long reach boom excavator is very popular and high efficient in dredging work,dredging river,dredging sea,dredging port,etc}

^{For dredging river,the excavator usually can stay on the dam or bank of the river to complete the work.}

^{For dredging sea and port,usually need to keep excavator stay on a barge to complete the dredging.}

^{Description of our company:}

^{1.We specialized in customizing all kinds of long boom and attachments for all kinds of excavators.}

<sup>We have detailed dimension of most excavators,so just give us the excavator model is ok.

2. Main sheet Material of the long reach boom is Q345B + Q690D,the top and bottom cover plate of boom and stick is Q690D,and other sheet is Q345B,Pin’s material is 42CrMo4.

3. Before welding,we have use big edge milling machine mill the edge of the sheet.So the welding can go to the internal of the steel-sheet and make the structure have higher performance.</sup>

^{4. Welding is protective gas welding,the protective gas is 80% Argon and 20% CO2 mixed.This is golden standard for protective gas}

^{5.For all long boom we produced,will supply follow parts:}

^{Bucket:1 pcs}

^{Linkage:1 kits}

^{Bucket cylinder:1 pcs}

^{Hydraulic pipe:1 kits}

^{Lubricant pipe:1 kits}

^{Counter weight(if need):1 pcs}

^{Stick cylinder:Can match original stick cylinder to save cost,if you need,we also can prepare}

^{6.If you need extra hydraulic pipe for breaker or other attachments,we also can prerpare for you.And the attachments pipe have stop valve in both end,it's easy for replace attachments.}

^{Completed pictures:}