Product Description
Excavator Long Reach Boom And Arm
(1)Product:
(2)Working Dimension:
| Excavator tonnage | T | 20-25t | 30-36T | 40-47T | ||||||
| Total length | mm | 15200 | 18000 | 18000 | 20000 | 22000 | 20000 | 22000 | 24000 | |
| Max CHINAMFG radius | mm | 15000 | 17300 | 17300 | 19200 | 21000 | 19200 | 21000 | 23000 | |
| Max cut depth | mm | 10300 | 12500 | 12600 | 14500 | 16000 | 14500 | 16000 | 17000 | |
| Max cut depth vertically | mm | 9500 | 11600 | 11700 | 13600 | 15200 | 13600 | 15200 | 16200 | |
| Max cut height | mm | 12600 | 15300 | 15300 | 17300 | 18500 | 16200 | 17500 | 18750 | |
| Max unloading height | mm | 10300 | 13000 | 13000 | 15000 | 16000 | 14000 | 15000 | 16000 | |
| Min rotate radius | mm | 4750 | 5100 | 5100 | 6200 | 6200 | 6200 | 7750 | 7750 | |
| Boom length | mm | 9100 | 10500 | 10500 | 11500 | 12500 | 11500 | 12500 | 13350 | |
| Stick length | mm | 6100 | 7500 | 7500 | 8500 | 9500 | 8500 | 9500 | 10650 | |
| Stick max cut force(ISO) | KN | 83 | 65 | 118 | 95 | 80 | 170 | 139 | 109 | |
| Bucket max cut force(ISO) | KN | 150 | 99 | 153 | 153 | 153 | 153 | 153 | 153 | |
| Bucket capacity | m3 | 0.5 | 0.4 | 1.2 | 0.7 | 0.5 | 1 | 0.8 | 0.7 | |
| Bucket rotate degree | deg | 170 | 170 | 170 | 170 | 170 | 170 | 170 | 170 | |
| Folding length | mm | 13000 | 14500 | 15000 | 16000 | 17000 | 16000 | 17000 | 18000 | |
| Folding heigtht | mm | 3050 | 3100 | 3300 | 3350 | 3400 | 3450 | 3480 | 3500 | |
| Extra Counter weight | T | 1 | 3.5 | 4 | 5 | 6 | 5 | 6 | 8 | |
(3)Features:
1.Material
- )The material used in the excavator long arm is Q355B
- )If other steel is required, please contact us, Q690D customized service
2.Material processing
Use a plasma cutter to ensure part flatness
3.Internal vie
Spaced by vertical and horizontal reinforcement plate at regular interval
4.Product making
Welding
A.) Welded with mixed gas between argon and carbon dioxide. Argon content:80%.Carbon dioxide content:20%.
B.) Welded by auto-welding machine .
Sandblasting
A.) The surface of the workpiece can obtain a certain degree of cleanliness and different roughness, so that the mechanical properties of the workpiece surface are improved, thus improving the fatigue resistance of the workpiece, increasing the adhesion between it and the coating, and prolonging the coating film. Durability, also good for paint leveling and decoration.
5.Product packaging and Shipping
6.Company Services
1, Long reach boom are use for dredging rivers port construction, railway construction and groundwork construction, with high extensive operation scope, high efficiency and high security.
2, Our company was founded in 2008 with more than 10 years of experience, production line engineers have more than 10 years of data and experience for all brands of excavators designed and customized long range booms.
3, Applicable for all the excavator model,OEM service is also available.
4, Advanced manufacturing process, Technique is in the line with global standards.
5, We have all the installation dimensions of most excavator, we can customize this long reach boom for your excavator.
6, Before welding, we have use big edge milling machine mill(taper process) the edge of the sheet. So the welding can go to the internal of the steel-sheet and make the structure have higher performance. Also the inside have strength plate make it more stronger.
7, If necessary, extra pipeline can be added to suit to some extra application.
8, Stick cylinder of the long boom, can use your original stick cylinder to save the cost, if you need the stick cylinder, we also can prepare for you.
9, Some parts can be consolidated using thicker plate or overlapping another plate for heavy-duty application.
10, Welding is protective-gas welding, the protective gas is 80% Argon and 20% CO2 mixed. This is CHINAMFG standard for protective gas.
11, Before welding, we have use big edge milling machine mill the edge of the sheet. So the welding can go to the internal of the steel-sheet and make the structure have higher performance.
12 .We can customize the arm for all kinds of excavator as per your request. Just let me know your request.
13. If you need, some parts can be consolidated using thicker plate or overlapping another plate for heavy-duty application, just let me know.
14. Not make the bucket for this extender arm as customer request. But if you need us prepare the bucket for you, that’s ok.
| MODEL | LDB120 | LDB200-1 | LDB200-2 | LDB300 | LDB350-1 | LDB350-2 | LDB450 |
| boom length(mm) | 7100 | 8220 | 10000 | 10000 | 11000 | 12000 | 13000 |
| arm length ( mm) | 5900 | 7160 | 8000 | 8000 | 9000 | 10000 | 11000 |
| Weight(kg) | 3000 | 4000 | 4200 | 5200 | 6000 | 6500 | 7000 |
| Max dig depth(mm) | 9000 | 11340 | 12200 | 12200 | 14500 | 16100 | 18000 |
| Max. extensive scope(mm) | 12500 | 15100 | 17600 | 17600 | 19600 | 21600 | 23600 |
| Max. dig height(mm) | 11300 | 12510 | 13500 | 13720 | 14920 | 16100 | 17300 |
| folding height(mm) | 2900 | 2980 | 3040 | 3210 | 3210 | 3400 | 3400 |
| bucket capacity(m3) | 0.3 | 0.5 | 0.4 | 0.4 | 0.5 | 0.6 | 0.6 |
| Suit Excavator tonnage(ton) | 12 | 20 | 20 | 30 | 35 | 35 | 45 |
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| Warranty: | 180 Day |
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| Application: | Excavator |
| Certification: | ISO9001: 2015 |
| Customization: | Available |
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| Shipping Cost: Estimated freight per unit. | about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can boom cylinders be used in construction equipment like cranes and excavators?
Yes, boom cylinders can be used in construction equipment such as cranes and excavators. Here’s a detailed explanation:
Boom cylinders play a vital role in the operation of construction equipment, including cranes and excavators. Here’s how boom cylinders are utilized in each of these applications:
- Cranes: Boom cylinders are an essential component of crane systems. They enable the extension, retraction, and elevation of the crane’s boom, allowing for lifting and lowering of heavy loads. Boom cylinders provide the necessary hydraulic force to articulate the boom sections and control the movement of the crane’s lifting arm. This capability allows cranes to reach various heights and positions, making them versatile and indispensable in construction projects that require lifting and positioning of materials, equipment, or structural components.
- Excavators: Boom cylinders are integral to the functionality of excavators. In excavators, boom cylinders control the movement of the boom, which is responsible for the vertical lifting and lowering of the excavator’s arm. The arm, in turn, enables the excavation, digging, and material handling operations. By extending and retracting the boom cylinder, operators can precisely control the depth and reach of the excavator’s bucket or attachment. Boom cylinders provide the necessary force for lifting heavy materials and allow for efficient digging and trenching in construction and earthmoving applications.
The use of boom cylinders in construction equipment like cranes and excavators offers several advantages. These include:
- Powerful Lifting Capacity: Boom cylinders provide the hydraulic force required to lift heavy loads, enabling cranes and excavators to handle substantial weights with ease and precision.
- Precise Control: Boom cylinders allow for precise control over the movement of the crane or excavator’s boom, ensuring accurate positioning and efficient operation.
- Adaptability: Boom cylinders can be customized to match the specific requirements of different crane and excavator models, allowing for versatility and compatibility across various construction applications.
- Durability: Boom cylinders are designed to withstand the rigorous demands of construction environments. They are constructed using robust materials and undergo thorough testing to ensure durability and longevity.
- Safety: Boom cylinders contribute to the safety of crane and excavator operations. The precise control and stability provided by boom cylinders help prevent accidents and ensure the safety of operators and surrounding structures.
Overall, boom cylinders are an integral part of construction equipment, including cranes and excavators. They enhance the functionality, lifting capacity, control, and safety of these machines, making them essential for construction projects of various scales and complexities.

How does a boom cylinder handle variations in cylinder size and capacity?
A boom cylinder is designed to handle variations in cylinder size and capacity. Here’s a detailed explanation:
Boom cylinders are hydraulic actuators used in various applications, such as construction equipment, material handling machinery, or forestry equipment. They are responsible for providing the necessary force and controlled movement to extend, retract, and articulate the boom or arm.
When it comes to handling variations in cylinder size and capacity, boom cylinders are designed and manufactured to match the specific requirements of the equipment and the intended application. Here’s how they handle these variations:
- Size Customization: Boom cylinders can be customized in terms of size to fit different equipment configurations. The size of the cylinder, including its length and diameter, can be adjusted to ensure proper installation and compatibility with the boom or arm it is attached to. The size customization allows for optimized performance and efficient operation of the equipment.
- Capacity Selection: Boom cylinders are available in different capacity options to handle varying loads and operating conditions. The capacity of the cylinder refers to its ability to generate the required force to move the boom or arm. Higher capacity cylinders are used for heavy-duty applications, while lower capacity cylinders are suitable for lighter loads. The appropriate capacity selection ensures that the boom cylinder can handle the specific load requirements of the equipment.
- Pressure and Flow Control: Boom cylinders utilize hydraulic systems to generate the required force. The hydraulic pressure and flow rate can be adjusted or controlled to match the cylinder size and capacity. By regulating the pressure and flow, the boom cylinder can effectively handle variations in size and capacity while maintaining the desired performance and control.
- Sealing and Internal Components: Boom cylinders are equipped with sealing systems and internal components that are designed to withstand the forces and pressures involved. These components are carefully selected to ensure compatibility with the cylinder size and capacity. Proper sealing and internal components help to maintain the cylinder’s efficiency and prevent leaks or failures, regardless of the size or capacity of the cylinder.
Overall, boom cylinders are engineered to handle variations in cylinder size and capacity by offering customization options, capacity selection, pressure and flow control, and appropriate sealing and internal components. These features ensure that the boom cylinders can effectively and reliably perform their intended functions across different equipment configurations and operating conditions.
It’s important to consult the equipment manufacturer’s guidelines and recommendations when selecting and installing boom cylinders to ensure compatibility and optimal performance.

Can boom cylinders be customized for specific machinery and equipment?
Yes, boom cylinders can be customized to fit specific machinery and equipment requirements. Here’s a detailed explanation:
Boom cylinders are designed to provide the necessary force and control for the movement of booms, arms, or attachments in heavy machinery. They come in various sizes, configurations, and specifications to accommodate different equipment and applications.
Customization of boom cylinders involves tailoring their design and parameters to meet the specific needs of the machinery and equipment they will be installed in. Here are some aspects that can be customized:
- Size and Dimensions: Boom cylinders can be customized in terms of their physical size and dimensions to ensure proper fitment and integration with the machinery. Factors such as stroke length, bore diameter, and overall length can be adjusted to match the space constraints and requirements of the equipment.
- Force and Pressure Ratings: The force and pressure ratings of boom cylinders can be customized to suit the load capacities and operating conditions of the machinery. By adjusting the bore size, rod diameter, and hydraulic pressure specifications, the cylinder can be optimized to provide the necessary power and performance for the specific equipment.
- Mounting Options: Boom cylinders can be customized with different mounting options to ensure compatibility with the machinery’s mounting points and structures. This includes variations in mounting brackets, pin sizes, and connection methods to facilitate seamless installation and operation.
- Seal and Material Selection: The choice of seals and materials can be customized based on the operating environment and requirements of the machinery. Different seals, such as wipers and rod seals, can be selected to provide enhanced protection against contamination and improve longevity. The cylinder’s body and rod materials can also be tailored to withstand specific operating conditions, such as extreme temperatures or corrosive environments.
- Integration with Control Systems: Customization may involve integrating the boom cylinder with the machinery’s existing control systems. This can include adapting the hydraulic connections, sensor compatibility, or incorporating specialized control valves to ensure seamless integration and optimal performance.
The customization of boom cylinders allows equipment manufacturers and operators to obtain cylinders that are specifically designed to meet their unique machinery and equipment requirements. This ensures efficient operation, precise control, and optimal performance for a wide range of applications in industries such as construction, agriculture, forestry, and more.


editor by Dream 2024-05-16