21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom, China 21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom Supplier

21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom - LDB800-ZX870-21

21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale 21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom, Made in China, High Quality Products!, China cheap prodocuts, china suppliers Supplier, Manufacturer.

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21 Meter Hitachi ZX870 Excavator Long Arm High Extension Demolition Boom

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Specifications:

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Boom?length | 11500 mm |
Stick length | 9500 mm |
Max?extensive?scope | 20600 mm |
Max?dig?depth | 15600 mm |
Max?dig?height | 16100 mm |
Max?dig?depth?in?vertical?wall | 13980 mm |
Max?unloading?height | 13200 mm |
Min?rotate?radius | 5600 mm |
Bucket?volume | 1.8?m3 |
Counter?weight | 3 ton |
Folding?height | 4050mm |
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Description:

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1.?We have detailed dimension of Hitachi ZX870,we can customize this long boom for your ZX870 excavator.

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2. We specialized in customizing all kinds of long boom for all kinds of excavators.

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3.?Main sheet Material of this ZX870 long reach boom / arm is Q345B + Q690D,the top and bottom cover plate of boom and stick?is Q690D,other sheet is Q345B,Pin’s material is 42CrMo4.

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4.?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.

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5.?Welding is protective-gas welding,the protective gas is 80% Argon and 20% CO2 mixed.This is golden standard for protective gas

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6.?For all base,joint and other main structure of the long boom,we use boring machine adjust the precision after welding,to avoid the welding-stress leading to big tolerance.

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7. We will prepare lubricant pipe system,hydraulic system,bucket,bucket cylinder,linkage,pins and hoses for the long boom we supply you.

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8. We prepare good quality cooper power casted bushing for the long reach boom/arm

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8. This long reach boom,stick cylinder use original stick cylinder to save the cost,if you need the stick cylinder,we also can prepare for you.

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9. If necessary,we can prepare 1 kit or 2 kit (each kit have 2 pipe lines) extra auxiliary pipe line for the?attachments.

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Applications:

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1. The customer purchase 2 kit Hitachi ZX870 21 meter long reach boom from our company,customer?is a contractor for wind power generation yard.

2. Customer use the long reach boom for constructing the base of wind power generator.

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Other pictures:

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Get Quote

Dongguan Haide Machinery Co., Ltd

Address: Tangxia Village Industrial area,Gaobu Town,Dongguan City,Guangdong Pro 523281,China, Dongguan, Guangdong, China, 511700
Tel: 86-769-88708111
Our company is located in Dongguan,a central manufacture city of China,we specialize in producing and selling machine Parts such as long excavator boom&arm,demolition boom,buckets,log grab,scrap grab,grapple,quick hitch etc. Our company has a machinery industrial park taking up an area of 45000m3. We are also the largest scale manufacturer specializing in supply engineering machine attachments. In our domestic market,we supply ancillary service&equipment for many large scale project,such as subway construction,municipal projects and urban brook management. In international market,we have supply our products to more than 30 countries. "Fit is the best",To fully meet market requirements and to provide the best products &service to our customers,our company have set up a professional research team to introduce and cultivate college students every year.our company at percent have also gained various new practical patents.All of these can help us to supply the most professional service to our customer,and also can improve our core competitiveness We're all integrity and innovative.We'll continue to fully develop our technology strength, exquisite processing capacity,and operate with integrity on business,striving for a top-level supplier of engineering machine attachments