Custom Extension Long Reach Doosan Excavator Attachments Two Section Long Arm
For more products:
Material Use |
Q345B, Q550D, Also can customize to customer requirements |
Product Warranty Period |
6 months,9 months,1 Year |
Product Size |
Most lengths can be 34M, According to customer requirements, Any excavator model |

Advantages of Zhonghe Excavator Long Arm
1. Less maintenance
The use of high-quality materials, such as Q355B as the default, Q690D optional, Ningbo connector, seamless precision pipe, graphite alloy copper sleeve, strong and lightweight bucket cylinder.
2. Firm and firm
Built-in stiffener. Professional welding skills for different bearing positions. Prepare the groove before welding (45° cut edge).
3. Tolerance is 5-10um
Drilling tolerance within 5-10um to ensure accuracy.
4. Go deeper and higher
The arm Angle can reach 163 degrees, and the maximum working range and maximum digging height are large.
5. High working efficiency and fuel saving
Lighters not only guarantee the work efficiency but also save fuel while taking into account the quality.

What Zhonghe Can Do
CUSTOMIZATION:
1. Applicable for all brand excavators.
2. Color, length, and material can do according to you.
3. Extra pipelines can be added to suit some extra applications.
4. Boom cylinder and stick cylinder can also be supplied if the customer wants.
STRONG PRODUCTION CAPACITY:
We can produce 50 sets of excavator booms per month.
Our annual output of various types of excavator boom arms can reach 600 sets.
GOOD SERVICE:
1. Online support within 24 hours.
2. Appointment video technical support.
(Our engineers have focused on excavator boom and attachment for over 10 years)
3. Long excavator boom shall be two/three jointed pcs to make it fittable into a container to save shipping costs.
Warranty:
1 year for long reach boom, 180 days for cylinder and linkage, and 90 days for the bucket.

All parts you needed are included.
Long Reach Kits Are Fully Compatible with ZHONGHE Excavator Standard Buckets, and Cylinder.
Excavator long boom
|
Excavator long arm
|
Standard bucket
|
Linkage kit
|
Bucket cylinder
|
Butter hose
|
Pin
|
Lubricating system
|
Seals
|

Specification of Excavator Boom Arm
Weight
|
Model
|
Part Length
|
Total length(m)
|
Weight(kg)
|
Maximum removal height(m)
|
Total Length(mm) |
25T |
8.5 |
16 |
2800 |
16M |
Boom(A)(mm) |
2.3 |
900 |
Arm(b)(mm) |
5.2 |
1700 |
Maximum Digger Radius(C)(mm) |
30T |
9.5 |
18 |
3000 |
18M |
Maximum Digger Depth(C)(mm) |
2.3 |
1000 |
Maximum Unloading Height(E)(mm) |
5.2 |
1950 |
Maximum Digger Height(F)(mm) |
35T |
10.5 |
20 |
3500 |
20M |
Bucket Volume(m³) |
2.3 |
1100 |








Company Strength
Kaiping Zhonghe Machinery Manufacturing Co., Ltd, is a manufacturing and trading combo that specializes in customizing different kinds of excavator boom arms and attachments We have more than 14000m' steel structure standardization workshop with a large number of high precision processing equipment as well as a strong and cohesive team. At present, there are more than 60 experienced technical staff, 30 welding workers with over 7 years of experience, 15 senior designers, and a high-tech R&D team.
Our annual output of various types of excavator boom arms can reach 600 sets. We supply products with high quality and moderate prices, which sell well in more than 40 countries and areas.
We adhere to" Merit Quality, Sincerity Management, and Customer Satisfaction", and honestly greet customers from home and abroad to negotiate and cooperate with us.
FAQ of excavator long arm
Q1: Why not have boom and stick cylinders in the plan?
A1: First, the whole long arm is lengthening, but the boom just lengthening from its middle sleeve to its end, so the original boom and stick cylinder can be used. Second, using the original parts can save you cost.
Q2: How long is the boom arm can min excavator be configured with? Whether it is necessary to increase the counterweight?
A2. Generally speaking, the 30-40 excavator longest arm suggests to be 8 meters, and can configure 0.1 cbm bucket, with no need for an extra counterweight. 55 excavator's longest arm suggests to be 12 meters, which can configure 0.1-0.15 cbm bucket, which needs 0.5 ton extra counterweight. 60-80 excavator longest arm suggests to be 12 meters, can configure 0.15-0.25 cbm bucket, need 0.5-0.7 ton extra counterweight.
It is not recommended to extend boom arm to longes the t length as mini excavator is easy to slosh.
Q3: How long will it take tall an excavator long reach boom?
It depends on the installer and machine size.
Usually disconnecting the original boom arm, stick cylinder, then pin the new one is okay.
Kindly remind, use to prepare several containers to fill the oil before disassembling.
