22m Super Long Reach Boom and Arm for Kobelco Sk350 Excavator

Model NO.: HD-LDB350
Size: Medium-Sized
Certification: CE, ISO9001: 2000, SGS
Condition: New
Material: Q345b (Sgc490)
Boom Length: 12000mm
Arm Length: 10000mm
Max Dig Depth: 16100mm
Max. Extensive Scope: 21600mm
Max. Dig Height: 16100mm
Folding Height: 3400mm
Suit Excavator Tonnage: 35ton
Warranty: 6month
Trademark: GD-Haide
Transport Package: Bubble Film
Specification: CE, SGS, ISO9001: 2000
Origin: Dongguan City, Guangdong Province
HS Code: 843149

Description:

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

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, Made by high strength steel plate.

5, Improves operation scope.

6, We can customize the long reach boom for all kinds of excavator as per your request. Operation scope 13 meters to 32 meters.

7, The this SK350 long reach boom include lubricant pipe system, hydraulic system, 1 bucket with 0.5cbm, 1 bucket cylinder, 1 linkage, 6 pins and 4 hoses.

8, For this SK350 22meters long reach boom need to add 4ton counter weight, we prepared for customer.
22m Super Long Reach Boom and Arm for Kobelco Sk350 Excavator
9, Stick cylinder of this long boom use the original stick cylinder, but if you need we prepare the stick cylinder 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. Our welding is very good.
22m Super Long Reach Boom and Arm for Kobelco Sk350 Excavator
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, The manufacture time about 15 days. Warranty time 6 month after installation.
22m Super Long Reach Boom and Arm for Kobelco Sk350 Excavator
17, We will also supply parts list for the long reach boom, so it's easy for Maintenance and after-sales service.

Specifications:
22m Super Long Reach Boom and Arm for Kobelco Sk350 Excavator

Boom length 12000 mm
Arm length 10000 mm
Max extensive scope(A) 21600 mm
Max dig depth(B) 14500 mm
Max dig height(D) 14920 mm
Max dig depth in vertical wall(C) 14688mm
Max unloading height(E) 12920 mm
Min rotate radius(F) 5000 mm
Bucket volume 0.5 m3
Counter weight 4Ton
Folding height 3400mm