Customizable 18m Long Reach Excavator Boom For 20-Ton Machines – 10m Digging Depth

Customizable 18m Long Reach Excavator Boom For 20-Ton Machines – 10m Digging Depth

Used for Komatsu pc200 pc220 pc240 pc250 Cat 320D Kobelco SK200 SK250 Volvo EC220

Production workshop of Defeng Mechanical Manufacturing Limited

1. The conventional material is Q355B, and the enhanced version is Q460.

The plate is thin, high in strength, light in weight, and reduces the load of the excavator.

2. The bushing in the boom seat cover is made of copper (with self-lubricating carbon powder inside).

3. The oil pipes are all made of high-precision cold-drawn seamless steel pipes, which have undergone pickling and

phosphating treatment, with good material and high strength.

4. All the long arms are integrally bored after welding to ensure the concentricity between the pins and the quality.

Company view

FAQ:

1. Are you manufacturer?
Yes.
We are factory in Changzhou city, Jiangsu province, near Shanghai port.

2. Do you have warranty?
Yes. Long Boom and Arm has 6 months warranty.

3. Do you have after-sale service?
Yes.
After order, we will start production quickly and keep updated.
After shipment, we will track the shipping and keep updated.
After you receive machines, we will instruct the usages and maintenance.
During usage, if any problems, we will offer timely and complete solutions.
We offer servicing for the whole lifetime of machines, no worry for personal use or resell.

Defeng Mechanical Manufacturing Limited Established in 2019, Although our company was established in 2019, but our team has been in this industry for over 15 years! Defeng Mechanical Manufacturing Limited is a dynamic China-based manufacturer and trader specializing in high-quality, custom-engineered components for heavy machinery. Headquartered in the Guangdong Province, we combine advanced production capabilities with global business expertise to serve clients across construction, mining, and marine industries worldwide.

Core Products & Expertise

1. Custom Excavator Arms & Buckets: Durable, high-performance components designed for demanding terrains and workloads.
2. Amphibious Excavator Pontoons: Innovative floating systems for wetland, riverine, and coastal operations.
3. OEM/ODM Services: Collaborative design and manufacturing for specialized machinery parts
   • Dedicated R&D team for product optimization and customization.
   • Environmentally conscious designs for sustainable operations.
   • Global Vision
     Strategically located in Guangdong—China’s manufacturing heartland—we leverage local supply chain advantages to offer competitive pricing and timely delivery. Our hybrid model of factory-direct production and professional trade services 

4. Why Choose Us?

   ✅ Advanced Manufacturing Base

   • Production Team: 50-100 skilled technicians and engineers with decade-long experience.
   • Capabilities: Cutting-edge CNC machining, welding, and quality testing systems.

   ✅ Global Business Support

   • Guangzhou Office: 20+ multilingual sales and service professionals ensuring seamless communication.
   • Export Experience: Proven expertise in serving clients across Europe, Southeast Asia, Africa, and the Americas.

   ✅ Quality Commitment

   • Strict adherence to international standards (ISO 9001-certified processes).
   • Robust QC protocols with 100% pre-shipment inspection.
   • Premium materials (e.g., Q690 Q355B Q345 steel, corrosion-resistant coatings).

   ✅ Innovation-Driven