Sales No.1 Excavator Tunnel Arm for Sale Tunnel Arm Excavator Shorten Arm Excavator Tunnel Boom for cat hitachi komatsu kobelco etc

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Excavator tunnel arm / excavator tunnel arm for sale / excavator tunnel arm oil cylinder / excavator short arm excavator shorten arm is fequently installed with a bucket or breaker for digging the basement / tunnel / other working condition. The tunnel and basement is narrow so the small machine is needed. The excavator tunnel arm is short enough for operating in tunnel or basement.

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 shorten heavy duty rock boom and arm which excel others:

On the same machine, tunnel arm can obtain greater lifting capacity than the standard arm, the opening angle between boom and arm can reach 180 degrees, that a larger breaker can be used to improve work efficiency.
1. The upper and lower cover plates are thicker.
2. The arm is filled with iron sand to reduce vibration
3. Enlarge cylinders to avoid its damage by excessive vibration
4. Stop valves prevent oil leakage when replacing breaker by bucket.
5. Multi-layer welding of pipe connectors to reduce the risk of oil leakage
6. Cylinder protective cover is beneficial to preventing the cylinder from being damaged in collision
7. Q355B material, using high-quality accessories, full weld, double plate reinforcement in the stress position, etc.

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)

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