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


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, Applicable for all the excavator model,OEM service is also available.

3, Advanced manufacturing process, Technique is in the line with global standards.

4, We can customize this long boom for your PC360 excavator, we have all the installation dimensions of this machine.

5, The long reach boom include lubricant pipe system, hydraulic system, 1 counter weight with 2.5ton, 1 bucket with 0.6cbm, 1 bucket cylinder, 1 linkage, 6 pins and 4 hoses.

6, Stick cylinder of the long boom use your original stick cylinder, but if you need we prepare the stick cylinder for you, also no problem, we can make it.

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

8, 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.

9, The main material of this long boom is Q345B + Q690D, the top and bottom cover plate use Q690D, other place use Q345B. Weldox also optional to suit to your application. Pin's material is 42CrMo4.

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

11, 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.
Super Long Reach Boom and Arm for Komatsu PC360 Excavator

12, 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.

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

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

Super Long Reach Boom and Arm for Komatsu PC360 Excavator

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) 13328 mm
Max unloading height(E) 12420 mm
Min rotate radius(F) 4500 mm
Bucket volume 0.6m3
Counter weight 2.5 ton
Folding height 3210mm


1. Dredging river and sea

2. All kinds of construction need long reach excavator.