Excavator Long Arm Kit for CAT320/330 with Bucket & Cylinder 6-Month Warranty

2024 Zhonghe Machinery Catalogue 3M.pdf

Excavator Long Boom Arms - Extended Reach Solutions for Heavy-Duty Applications

Technical Specifications Overview:

Our premium long boom attachments are engineered to transform standard excavators into long-reach machines for specialized operations. Key specifications include:

1. For 6-8 Ton Excavators:

   • Counterweight Required: 1.5T
   • Bucket Capacity: 0.2m³
   • Total Reach: 7-12m (Main Boom: 7.2m/Arm: 4.8m)
   • Total Weight: 680kg
     Popular Models: CAT 307, Kubota KX080-4

2. For 15-18 Ton Excavators:

   • Counterweight: 2-2.5T
   • Bucket Capacity: 0.3m³
   • Total Reach: 15-17m (Main Boom: 8.3-9.3m/Arm: 6.7-7.7m)
   • Total Weight: 1,570kg
     Popular Models: Hitachi ZX130, Komatsu PC130

3. For 20-23 Ton Excavators:

   • No Counterweight Needed
   • Bucket Options: 0.5-0.8m³
   • Total Reach: 12-16m (Multiple configurations available)
   • Weight Range: 2,105-2,620kg
     Popular Models: CAT 320, Volvo EC220

4. For 30-38 Ton Excavators:

   • Heavy-Duty 1.0m³ Bucket
   • Total Reach: 15-15.4m (Main Boom: 8.3m/Arm: 6.7m)
   • Total Weight: 3,400kg
     Popular Models: CAT 330, Hitachi ZX350

5. For 40-50 Ton Excavators:

   • Extra-Large 1.4m³ Bucket
   • Total Reach: 15.5-16m (Main Boom: 8.8m/Arm: 7.2m)
   • Total Weight: 4,000kg
     Popular Models: CAT 349, Komatsu PC490

Working Diagram of Long Reach Boom

A.Maximum lifting height

Key Features

✔ Material Options: Q355B (standard) / Q690D (high-stress applications)
✔ Reinforced Joints: Laser-cut stress relief grooves at pivot points
✔ Custom Lengths: 7m to 16m (extendable to 30m for special projects)

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