12 Ton-30 Ton Durable Excavator Telescopic Arm For CAT320 ZX330

The two-stage telescopic boom is generally 10-14 meters, generally match 12-30 tons excavator. It is divided into two designs with and without pipe coiler. On the market with pipe coiler design one is the main supply products

1.The built-in hose design avoids friction.
2.The sliding blocks can be replaced quickly.
3.Grease filling holes for centralized lubrication
4.A high quality standard bucket is in the plan.

✅ Built-in slider reduces cylinder vibration
✅ Pipe coiler with extended spring plate
✅ The housing is made of LG700 high strength material
✅ bearing position Multi-layer reinforcement
✅ with 22 ton large bucket cylinder
✅ exposed bucket cylinder
✅ four pcs wire high pressure hose
✅ telescopic cylinder adopts double oil seal

(Robust structure)

1. Bearing part with multi-layer reinforced

(Long service life)

1. The reel adopts enlarged spring piece

2. Adopt 22-ton strong bucket cylinder

(Avoid oil leakage)

1. Hydraulic hoses are made of four-layer steel wire ring.

2. The telescopic cylinder adopts double oil seals

3. Bucket cylinder hose was built-in to avoids oil leakage caused by hose vibration

(Easy to maintain)

1. Lubrication system for sliders help support butter easily.

2. Bucket cylinder hoses can be replaced easily, without dismantling the arm.

Usually use 40GP container to load product !

Contact sophia to inquiry details !

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