18M Excavator Long Reach For PC320D PC320C PC320B
40 45 47ton Excavator Long Arm Komatsu , Zoomlion Kubota Long Reach Attachments
My name is sophia from Zhonghe Machinery , our factory produce telescopic arm and different types of long arm , please contact me if you need
whatsapp/wechat:+86 18127591702
sophia@excavatorboomarm.com
Line~:supersophia1990
@excavatorrockbuckets.com
The excavator extension arm is a globally acclaimed product known for its versatility and multiple functions. It has gained widespread recognition worldwide, showcasing its enduring appeal. Remarkably, despite over two decades of presence in China since its introduction in the 1990s, there remains no definitive national standard governing this product; modifiPCions are primarily based on accumulated expertise. Initially regarded as a premium offering, it has transitioned into a more commonplace accessory. China has attained mastery in processing technology and design for this product, producing extension arms of comparable quality to imported counterparts.
Advantages:
| ✅ | Q355B for ear seat |
| ✅ | The middle sleeve of the boom adopts an integral forming process |
| ✅ | Flexible steel sleeve, convenient for maintenance and replacement |
| ✅ | Reinforced 45# steel for boom middle sleeve |
| ✅ | Smooth and full weld |
| ✅ | Acid cleaning and phosphating after welding |
| ✅ | Adopt high quality Ningbo connectors |
| Excavator Ton | Total Length(mm) | (A)Boom(mm) | (B)Arm(mm) | Maximum Digging Radius(mm) | Maximum Digging Depth(mm) | Maximum Unloading Height(mm) | Maximum Digging Height(mm) |
| 11-15T | 13000 | 7250 | 5750 | 11200 | 9000 | 7550 | 9350 |
| 20-25T | 15400 | 8220 | 7180 | 14500 | 11300 | 10400 | 12600 |
| 20-30T | 18000 | 10000 | 8000 | 17300 | 13000 | 17200 | 14000 |
| 35-40T | 20000 | 11000 | 9000 | 19200 | 14900 | 12900 | 15200 |
| 40-45T | 22000 | 12000 | 10000 | 21300 | 16000 | 14000 | 17000 |
| 40-50T | 24000 | 13000 | 11000 | 23000 | 17900 | 15200 | 18100 |
All parts you needed are included.
![]()
![]()
![]()
![]()
![]()
![]()
![]()
![]()
![]()
Usually use 40GP container to load product !
Contact sophia to inquiry details !
![]()
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


















