Sign In | Join Free | My
Dongguan Haide Machinery Co., Ltd
Dongguan Haide Machinery Co., Ltd Excavator Attachments & Long reach boom and Logistics equipments supplier
Home > Excavator Long Boom >

Q345B + Q690D Excavator Long Boom For Caterpillar E200B with 20 Meters Length

Dongguan Haide Machinery Co., Ltd
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment

Q345B + Q690D Excavator Long Boom For Caterpillar E200B with 20 Meters Length

Brand Name : Haide
Model Number : LDB200-E200B
Certification : CE/ISO
Place of Origin : China
MOQ : 1kit
Price : Negotiation(EXW,FOB or CIF price)
Payment Terms : T/T or L/C
Supply Ability : 30 kits per month
Delivery Time : Within 15 days after received deposit
Packaging Details : Film
Product Name : Long reach boom
Excavator model : Caterpillar E200B
Total Length : 20 m
Bucket : 0.4 cbm
Counter weight : 4 ton
Material : Q345B + Q690D
Stick cylinder : Use original
Warranty : 6 months after installation
Contact Now

Long Reach Boom for Excavator of Caterpillar E200B with20meters length


1, We are the one of the biggest manufacturer for long reach boom in GuangDong, we can customize the long reach boom for all kinds of excavator as per your request. Operation scope 13 meters to 32 meters.

2, Long reach boom are used for dredging rivers port construction, railway construction and groundwork construction, with high extensive operation scope, high efficiency and high security.

3, Original excavator performance.

4, Improves operation scope.

5, Made by high strength steel plate.

6, Our company established on years 2006, we have over 10 years experience in designing and customize the long reach boom for all brand excavators.

7, This long reach boom include lubricant pipe system, hydraulic system, 1 bucket with 0.4cbm, 1 counter weight with 4 ton. 1 linkage, 6 pins and 4 hoses.

8, The counter weight was installed in the middle of excavator bottom.

9, As customer request, stick cylinder and bucket cylinder of this long boom use Sany original cylinder, but if you need we prepare it for you, also no problem, we can make it.

10, If you need, we can add extra pipeline for you, to suit some extra application.

11, Our welding was by maual. Welding is protective-gas welding, the protective gas is 80% Argon and 20% CO2 mixed. This is golden standard for protective gas.

12, The main material of this long boom is Q345B + Q690D, the top and bottom cover plate use Q690D, other place use Q345B. Pin’s material is 42CrMo4.

13.Some parts can be consolidated using thicker plate or overlapping another plate for heavy-duty application.

14, Before welding, we have use big edge milling machine mill(taper process) the edge of the sheet. So the welding can go to the internal of the steel-sheet and make the structure have higher performance.

15, 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.

16, We will also supply parts list for the long reach boom, so it’s easy for Maintenance and after-sales service.

17, The manufacture time about 15 days. Warranty time 6 month after installation.


Boom length

11000 mm

Arm length

9000 mm

Max extensive scope(A)

19600 mm

Max dig depth(B)

14500 mm

Max dig height(D)

14920 mm

Max dig depth in vertical wall(C)


Max unloading height(E)

11920 mm

Min rotate radius(F)

4600 mm

Bucket volume


Counter weight


Folding height


Production Pictures:

Product Tags:

excavator extension arm


excavator boom extension

China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

Q345B + Q690D Excavator Long Boom For Caterpillar E200B with 20 Meters Length Images

Inquiry Cart 0
Send your message to this supplier
To: Dongguan Haide Machinery Co., Ltd
Characters Remaining: (0/3000)

Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们

Copyright © 2009 - 2018 All rights reserved.