Sales No.1 Excavator Shorten Arm Excavator Tunnel Arm for Sale Excavator Tunnel Boom with bucket / breaker 

 
click here to read our catalog:Zhonghe Machinery Catalog-Contact Sales Manager Aria Directly
 

Excavator short arm short boom is suitable for digging tunnel / basements / or other narrow places. The design of it is short. The ordinary arm boom is too long for digging in tunnel basements. So the excavator shorten boom and arm is necessary. 

Application area: narrow place, tunnel, basement, etc.

Front attachments: enlarge breaker, enlarge bucket etc

welcome to contact for more models! please send your excavator model to Aria. whatsapp: 0086 13822325403

Some excellent design of excavator tunnel arm for ex60 zx135 zx200 pc240 which excel others:

On the same excavator, excavator tunnel arm oil cylinder can obtain greater lifting capacity than the standard arm, the opening angle between short boom and short arm can reach 180 degrees, that a larger breaker / bucket can be used to improve work efficiency. Excavator short arm excavator shorten arm excavator tunnel arm work effective. Tunnel arm excavator can be customized according to clients' request and requirement. We will design the suitable cusomizable excavator tunnel arm according to clients' actual situation. The excavator short arm is suitable for installing on mini excavator. Please send your excavator model to Aria, we will send you the model drawing for reference. 
1. The upper and lower cover plates of the excavator tunnel arm are thicker.
2. The arm of the tunnel arm for excavator is filled with iron sand to reduce vibration
3. Enlarge oil cylinders of shorten heavy duty excavator rock boom and arm to avoid its damage by excessive vibration---ensure that the excavator tunnel arm has long life-span and stronger
4. Stop valves on the tunnel arm for excavator prevent oil leakage when replacing breaker by bucket.
5. Multi-layer welding of pipe connectors of excavator shorten arm to reduce the risk of oil leakage
6. Cylinder protective cover on the excavator shorten heavy duty rock boom and arm is beneficial to preventing the cylinder from being damaged in collision---lessen the damage of oil cylinder 
7. Q355B material, using high-quality accessories, full weld, double plate reinforcement in the stress position, etc.

Excavator shorten boom and arm is strong enough for breaking rock / hard soil in the tunnel or basement.

One model drawing of excavator shorten boom and arm is as follow:

GOOD SERVICE:
1. Online support within 24 hours.
2. Appointment video technical support. 
   (Our engineers have focused on excavator boom and attachment over 10 years)
 

Production Advantages

Precision & Professional Machine

large double-sided floor boring machine--enhance the excavator shorten boom and arm's precision

CNC plasma cutting machine--lessen the steel board variants

Belving before welding--enhances the strong welding of the excavator tunnel arm/ shorten arm / excavator tunnel boom

1. Long reach excavator boom
2. Excavator telescopic boom
3. Demolition boom
4. Excavator rock bucket
5. Excavator tilting bucket
6. Hydraulic grabs for excavators
7. Other excavator attachments

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Please feel free to contact Aria directly!
Click here to connect with Aria: Whatsapp/Wechat/tel:+86 13822325403
Email: Aria@excavatorboomarm.com