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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.
Komatsu Excavator Long Reach Boom , Excavator Attachments Long Reach Arm
Condition | 100% Brand New | Material | 0355B/0690D Optional |
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Application | All Brands | Length | 10-28m Optional |
Payment Terms | T/T, Discussion | Supply Ability | 60 Piece/Pieces Per Month |
Port | Guangzhou (Port) | Certification | CE |
High Light | Komatsu Long Reach Boom,28m Long Reach Arm,Excavator Attachments Long Reach Arm |
Excavator Long Reach Boom Arm , Komatsu Excavator Attachments Long Reach Arm
Product Presentation of Excavator Boom
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
Using high-quality materials, such as default Q355B, optional Q690D, Ningbo joints, seamless precision tubes, graphite alloy copper sleeves, strong and lightweight barrels.
2. Strong and strong
Built-in ribs. Specialized welding skills for different bearing positions. Groove preparation before welding (45° edge cut).
3. The tolerance is within 5-10um
The drilling tolerance is within 5-10um to ensure accuracy.

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 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
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.