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Dongguan Haide Machinery Co., Ltd Excavator Attachments & Long reach boom and Logistics equipments supplier
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18 M Doosan DX300 Excavator Long Reach Boom With 0.5 Cum Bucket / Auxiliary Pipe

Dongguan Haide Machinery Co., Ltd
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Dongguan Haide Machinery Co., Ltd
City: Dongguan
Province/State: Guangdong
Country/Region: China
Tel: 86-769-88708111
Contact Person:
Ms Irene Guo

18 M Doosan DX300 Excavator Long Reach Boom With 0.5 Cum Bucket / Auxiliary Pipe

Brand Name : Haide
Model Number : LDB300-DX300-18
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 your payment
Packaging Details : Film
Excavator model : Doosan DX300
Total Length : 18 m
Bucket : 0.5 cum bucket
Counter weight : No
Material : Q345B + Q690D
Stick cylinder : we prepare
Auxiliary pipe : 1 kit
Warranty : 6 months after installation
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18meter Doosan DX300 long reach boom with 0.5 cum bucket and auxiliary pipe


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.
According to customer requirements,Our company specialize in designning and customizing all kinds of long reach boom for all brand excavators.

We have detailed dimension of most excavators,this Doosan DX300 excavator we have detailed dimension.

1. For all the long reach boom we produced,include lubricant pipe system, hydraulic system, 1 bucket, 1 bucket cylinder, 1 linkage, all pins,all hoses,etc
The Stick cylinder of the long boom, can use the original stick cylinder to save the cost, if you need the stick cylinder, we also can prepare for you.
This Doosan DX300 long reach boom,we prepared the stick cylinder for customer

2. 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.

3. All the plate are beveled 45 degree before welding.

4. If necessary, extra pipeline can be added as customer requirements
For this Doosan DX300 18 meter long reach boom,we prepared 1 kit extra auxiliary pipe as customer requirements
And at the end of auxiliary pipe,we prepared stop valve,so it's convenient for customer to replace attachments.

5. 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.

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.

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

8. We can supply detailed dimension drawing for confirmation before order.


Boom length

10000 mm

Arm length

8000 mm

Max extensive scope(A)

17600 mm

Max dig depth(B)

12200 mm

Max dig height(D)

13720 mm

Max dig depth in vertical wall(C)

10720 mm

Max unloading height(E)

10900 mm

Min rotate radius(F)

4520 mm

Bucket volume


Counter weight


Folding height


Specifications of our serial products:


Total length



Self weight



Max dig depth



Max extensive

Scope (mm)


Max dig height



Folding height



Bucket volume


Suitable excavator




1. Customer is a excavator dealer,he purchase this DX300 long reach boom for reselling.
2. The final customer use the long boom for dredging river and sea.

Export pictures:
This Doosan DX300 long boom was export to Europe,together with an excavator extra oil tank

Product Tags:

long reach boom


cat 345 long reach

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18 M Doosan DX300 Excavator Long Reach Boom With 0.5 Cum Bucket / Auxiliary Pipe Images

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