OEM High Strength Excavator Long Reach CAT336 CAT320 CAT315 Extension Arm, Practical Mini Excavator Boom Arm
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Product Presentation of Excavator Boom
The long arm is made of Q355B steel, which has good strength and rigidity. The shaft sleeve of the extended arm is generally made of 45# steel, with a 40Cr bush inside, and the lubrication effect of butter reduces the shear force generated when the shaft and sleeve rotate frequently, thereby improving the service life of the shaft. The scope of use is relatively large, but its main function is to increase the excavation radius in river dredging, land reclamation, subway entrance and exit excavation, pedestrian underground tunnels, expressway parapet maintenance, l residential cement transportation, etc.
| 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, Niningbo joints, seamless precision pipes, graphite alloy copper sleeves, strong and light bucket cylinders.
2. Strong and sturdy
Built-in ribs. Specialized welding skills for different bearing positions. Groove preparation before welding (45° edge excavation).
3. The tolerance is within 5-10um
The drilling tolerance is within 5-10um to ensure accuracy.
4. Reach deeper and higher
The maximum working range and maximum digging height are greater because the boom and jib can be angled up to 163 degrees.
5. High work efficiency and save fuel
While taking into account the quality of the lighter, it not only ensures the work efficiency but also saves fuel.
6. Metallurgical test
In-depth analysis of steel samples to look for microstructural defects and dissimilar phases present in duplexes and superduplexes, as well as many other welded materials.
What Zhonghe Can Do
custom made:
1. Applicable to all brands of excavators.
2. Color, length, material can be made according to you.
3. Additional piping can be added to accommodate some additional applications.
4. Boom cylinders and stick cylinders can also be provided according to customer needs.
Strong production capacity:
We can produce 50 sets of excavator arms per month.
The annual output is 600 sets of various types of excavator arms.
Good service:
1. Online support within 24 hours.
2. Make an appointment for video technical support.
(Our engineers focus on excavator arms and attachments for more than 10 years)
3. The long arm of the excavator should be a two-section/three-section joint, which can be loaded into a container to save freight.
Warranty:
1 year for the long arm, 180 days for the cylinder and connecting rod, 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 |
Applicable to all brands
Caterpillar CAT320 CAT323 CAT325 CAT329 CAT330 CAT336 CAT340 CAT345 CAT349 CAT352 CAT365 CAT374 CAT385 CAT390
Komatsu PC200 PC210 PC220 PC240 PC300 PC350 PC360 PC400 PC450 PC650
Hitachi ZX200 EX300 ZX240 EX300 ZX330 ZX350 ZX360 ZX450 ZX470 ZX650 ZX670 ZX870
KOBELCO SK200 SK210 SK250 SK260 SK350 SK360 SK380 SK500
Doosan DX215 DX225 DX300 DX340 DX380 DX480 DX500 DX520
Sany SY215 SY235 SY265 SY335 SY365 SY485
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 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 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, 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 min 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.
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