The Contractor's Guide to Selecting Excavator Long Booms (2024 Update)

4 Critical Factors for Choosing Your Long Boom

1. Project-Specification Matching

Key Measurements:

• ▢ Required digging depth: ______ m/ft
• ▢ Minimum working radius: ______ m
• ▢ Maximum load capacity: ______ tons

Pro Tip: For metro projects, add 15% to your estimated reach for maneuverability

2. Machine Compatibility Check

We engineer booms for:

 [✔] CAT 320-349 Series [✔] Komatsu PC210-PC490 [✔] Hitachi ZX210-ZX870 [✔] Volvo
EC380-EC950 

Must-verify Specifications:

• Hydraulic flow rate: ______ L/min
• Stick pin diameter: ______ mm
• Required counterweight: ______ kg

3. Material & Construction Quality

Our Premium Features:

• Boom Tube: 16mm-25mm Q690D steel
• Pivot Points: Forged 42CrMo alloy
• Bushings: Oil-impregnated bronze
• Finish: 3-layer corrosion protection

Case Study: Our 28m dredging arm achieved 14,000hrs+ in Philippine seawater conditions

4. Configuration Options

 | Length | Best For | Typical Machines | |--------|----------|------------------| | 26ft   | Urban trenches
| 20-30t | | 50ft   | Bridge foundations | 30-45t |  | 80ft   |
Port dredging | 45-70t | | 105ft  | Deep mining | 70t+ | 

Why Global Contractors Choose Us

Value-Added Services:

1. Free Site Evaluation - Our engineers assess your project needs
2. 3D CAD Modeling - Preview your custom boom before production
3. Container Loading Optimization - Save 20-35% on shipping
4. On-Site Training - Included with all orders

Current Lead Time:

• Standard: 25 working days
• Express: 15 working days (+15% fee)

Get Your Custom Quote

Provide These Details:

1. Machine make/model/year: ______
2. Required reach: ______ m/ft
3. Primary application: ______
4. Special conditions: ______

1. Our factory do OEM and ODM design
2. Strict material inspection
3. Exact dimension control
4. 100% quality control
5. Fast in delivery & lead time gurantee
6. Prompt quotation

Our company drives sustainable development by constantly innovating in personnel welding and surface spray grinding treatment. We have a capable technical R&D and design team with excellent welding skills, all of whom have undergone system training. The welding parts of our product are completed by a positioner that can rotate 360 degrees, ensuring convenience and efficiency.

We prioritize both the strength and aesthetics of our product. Our technical workers ensure that the welding is of high quality, resulting in a strong and durable structure. Additionally, our surface spray grinding treatment enhances the product's appearance, making it beautiful both inside and outside.

By combining our skilled workforce, advanced welding techniques, and innovative surface treatments, we strive to deliver products that meet the highest standards of quality and functionality.

International standard pallet or wood case.
1. one 20GP can load about 12-14 pieces 1.0m3 or 1.2m3 buckets for 20ton excavator(Width less than 42 inches )
2. one 40HC can load about 26-28 pieces 1.0m3 or 1.2m3 buckets for 20ton excavator;
3. one 20GP can load about 8 pieces 1.6m3 buckets for 30ton excavator;
4. one 40HC can load about 16 pieces 1.6m3 buckets for 30ton excavator.

Whatsapp: wa.me/+8618127591702

Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd.，manufacturing and trading combo, specializes in customizing different kinds of excavator boom arm and attachments,Our main product as below:

-Excavator Long Boom
-Excavator Telescopic Arm
-Excavator Sliding arm
-Pile Driving Arm
-High Reach Demolition
-Excavator Tunnel Arm
-Heavy Duty Rock Arm
-Excavator Tilt Bucket
-Excavator Hydraulic Grapple

, which is sell well in more than 40 countries and areas.

Located in Cuishanhu New District, Kaiping City, Jiangmen City, Guangdong Province, China, we has more than 14000㎡ 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 that 60 experienced technical staffs, 30 welding workers with over 7 years experience, 15 senior designers and a high-tech R&D team.

Double-sided boring machine: Double-sided boring machine, improves accuracy and consistency: It is mainly responsible for the post-welding boring of the boom arm and bucket to ensure the accuracy of the arm. Since the boring pin operations on both sides of the double-sided boring machine are carried out simultaneously, the processing accuracy and consistency of both sides can be guaranteed.

Our annual output of various types of excavator boom arms can reach 600 sets. We supply products at customer's model with high quality, moderate price, quick response and appropriate warranty.

We adhere" Merit Quality, Sincerity Management and Customer Satisfaction", honestly greet customers from home and abroad to negotiate and cooperate with us.

Welcome inquiry! 

Contact Sales Manager Sophia!

Wechat： 18127591702
whatsapp: +86 18127591702
Email：sophia@excavatorboomarm.com