Excavator Long Boom Arm 15m CAT320 SK230 PC160 DX160 ZX250 Extension Arm for Mini Excavator
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Product Presentation of Excavator Extension Arm
The long arm of the excavator is made of Q355B steel, which has good strength and rigidity. The shaft sleeve of the extension arm is generally made of 45# steel, lined with a 40Cr bushing, and the lubrication effect of butter reduces the shear force generated by the frequent rotation of the shaft and the shaft sleeve, thereby prolonging the service life of the extended arm. The shaft sleeve is enlarged. Using a selection of the toughest wear-resistant steels, we can produce excavator long arms for Cat, Demag, Doosan, Hitachi, Hyundai, JCB, Kobelco, Komatsu, Liebherr, Volvo and other popular brands.
1. The service performance of the original excavator is not changed, and the service life is long
2, Greatly improve the operating range, can meet the needs of various special conditions
3. The original excavator can be refitted by customers to save costs.
| 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 Reach
1. Less maintenance
Using high quality materials, such as Q355B as default, Q690D optional, Niningbo connectors, seamless precision pipelines, graphite alloy copper sleeve, and strong but light bucket cylinder.
2. Strong and sturdy
Built-in reinforcing ribs. Professional welding skills towards the different bearing positions. Groove preparation(45° edge-mining) before welding.
3. Tolerance within 5-10um
Hole drilling tolerance is within 5-10um, ensure accuracy.
4. Reach deeper and higher
The max work range and the max digging height are larger as the angle of the boom and arm can reach 163 degrees.
5. High work efficiency and saving fuel
Lighter while taking into account the quality, not only ensures work efficiency but also saves fuel.
6. The pivot end is reinforced with multiple layers to withstand greater excavation forces.
7. The whole plate is cut, not spliced, so as to be more firm and not easy to deform.
What Zhonghe Can Do
1. Suitable for all brands of excavators.
2. Color, length and material can be made according to your requirements.
3. Additional pipes can be added to accommodate some additional applications.
4. If the customer needs it, we can also provide boom cylinder and rod cylinder.
Strong production capacity:
We can produce 50 excavator booms per month.
The annual production of all kinds of excavator arms can reach 600.
1. Provide online support within 24 hours.
2. Arrange video support.
(Our engineers have more than 10 years of experience in excavator booms and accessories)
3. The excavator boom should be connected in two or three sections to make it suitable for a container to save transportation costs.
Long arm 1 year, cylinder and connecting rod 180 days, bucket 90 days.
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
Specification of Mini Excavator Long Reach
Maximum removal height(m)
|Maximum Digger Radius(C)(mm)
|Maximum Digger Depth(C)(mm)
|Maximum Unloading Height(E)(mm)
|Maximum Digger Height(F)(mm)
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 600sets. 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 extends 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 the 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 most extended 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 most extended 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 the 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.