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Excavator Boom Arm
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Long Reach Excavator Booms
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Excavator Telescopic Boom
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Demolition Boom
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Excavator Pile Driving
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Excavator Rock Bucket
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Excavator Rock Ripper
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Excavator Tunnel Boom
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Mechanical Excavator Grab
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Hydraulic Log Grapple
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Excavator Sliding Arm
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Excavator Standard Arm
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Excavator Thumb Bucket
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Ditch Cleaning Bucket
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Excavator Tilt Bucket
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Excavator Skeleton Bucket
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David CordovaHigh quality excavator boom with good price! I like it very much, so I brought 2 units of demolition arm again. The whole process went smoothly. Next time I need to buy excavator arms, I will buy them from here.
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Vaina ConroyVery happy with the service provided. All questions were answered promptly. The product was as described and arrived on time. Great packaging. The biggest surprise was that the welding quality of the product exceeded my expectations.
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William HollisterVery helpful. The excavator long reach arm I purchased are solidly built, well made and I have no doubt they will last for many years.
Anti Rust Hydraulic Excavator Boom Arm 0.3-0.5CBM Bucket SK200 SK210 SK125 SK300
Condition | Brand-new 100% | Applicable Industries | Construction Works , Energy & Mining |
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Video Outgoing-inspection | Provided Video Outgoing-inspection | Marketing Type | New Product 2021 |
Application | For All Kinds Excavator | Material | Optional Q355B Or Q345B |
MOQ | 1-Set | Usage | Machinery Attachments For Excavator |
Delivery Time | 6-20days | Port | Shenzhen Port |
High Light | Excavator Boom Arm Anti Rust,Excavator Boom Arm 0.5CBM Bucket,0.3CBM Bucket Excavator Boom Arm |
Anti Rust Hydraulic Excavator Boom Arm With 0.3-0.5CBM Bucket SK200 SK210 SK125 SK300
Product Presentation of Excavator Extension Arm
It is precisely because the standard arm length of excavator can not meet some working conditions, more and more excavators use long arm to fill this gap. For example, in the fields of foundation engineering of deep foundation pit operation, construction and maintenance of buildings, demolition of high-altitude work or river cleaning, in order to efficiently and quickly complete the indicators required by the project, it is necessary to use the lengthened arm.
Dredging of river channels
The expansion of the city, the demolition of the old city. For safety reasons, the government opted for three extended arms on the lower floors rather than blasting demolition. A middle arm was added to the original two lengthened arms. The middle arm can greatly protect the safety of the driver. Three extended arms are operated with a hammer or hydraulic shear.
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 Long Arm Excavator Boom
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.
Built-in reinforcing ribs. Professional welding skills towards the different bearing positions. Groove preparation(45° edge-mining) before welding.
Hole drilling tolerance is within 5-10um, ensure accuracy.

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)

All parts you needed are included.
Excavator long boom
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Excavator long arm
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Standard bucket
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Linkage kit
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Bucket cylinder
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Butter hose
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Pin
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Lubricating system
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Seals
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Specification of Excavator Boom and Stick
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
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
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.
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.
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.