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Name:Tunnelling boom arms for excavator | Short reach fronts for tunnelling
Applications:tunneling projects,underground excavation and demolition work etc.
Excavator Operating Weight:From 6 ton or above
Brand Name:SUP
Place of Origin:Guangdong, China (Mainland)
Min.Order Quantity:1 set
Supply Ability:100 sets Tunnelling boom arm/Short reach front per month
Delivery time:within 30 days after receipt of payment


Tunnelling boom arms for excavator | Short reach fronts for tunnelling  - CE certificate available

Customer's order for Tunnelling boom arms for excavator | Short reach fronts for tunnelling and high reach demolition boom arm have been finished.

The special short boom and arm/stick of short reach front enable the excavator to do the tunnelling job under limited space, the short reach front/tunnelling boom arms equipped with large-size cylinder enable the excavator to achieve greater digging force, thus boost the excavator with higher levels of productivity, and the reinforced bucket linage enable it to equiped with attachments that are suitable for larger machines,  including crushers and breakers. This enhances the performance of the excavator for challenging job sites.

SUP Construction Equipment Co.,Ltd 

Excavator Attachments Specialist- long reach boom,short reach front,high reach demolition,telescopic arm, excavator buckets,grapple,etc.

Email: sales@superlongreachboom.com

Website: www.superlongreachboom.com

Long reach boom,super long front,short reach front,long reach front,long arm,long stick,long reach attachment,long reach excavator boom,High reach demolition,tunnelling boom and arm,telescopic arm,slide arm,extended arm,excavator rock buckets,excavator long reach boom,short reach front China leading supplier-SUP Construction Equipment Co.,Ltd.

High Quality Short Reach Front | Tunnelling Boom Arm, SUP Built!

 SUP Short Reach Front | Tunnelling Boom Arm is an ideal tool for use when space is limited and high restricted,such as tunneling projects,underground excavation and demolition work, it is specially designed with short boom and arm yet with bigger cylinder,reinforced and bigger bucket linkage which can enhance your machines' performance and productivety efficiently even under the most challenging site.




1)SUP Construction Equipment Co.,Ltd. adopt the advanced FEM (Finite Element Method) to analyze the stress distribution of products, through which we optimize the structure the best,thickness of every steel plates are strictly selected, to make sure each our attachment is strong and reliable.

2)Material cutting is done by advance CNC flame plasma cutting machines.


3)Every steel plates are well beveled before welding, straight plates are beveled by large milling machine, circular or arc area are beveled by OTC plasma cutting robot,this can improve the welding quality greatly.


4)Welding is done partly by skillful workers with at least 4 years experience, and partly by robotic welding machine, excellent welding quality is guaranteed.

5)Ultrasonic flaw detector is used to detect products to ensure every welding beads are good enough. 

6)Surface treatment for the products processed in Large sandblasting room,the treatment can release surface stress of product, remove dirt, improve the adhesive force between the paint and products surface.


1) The shorter, stronger structure provides you more powerful force, thus can save you a lot of time .

2)Reasonable ratios of boom and arm, ensure you enjoy easy operation, safety and productivity. 

3)SUP select high quality tubes to make hydraulic lines, to prevent your hydraulic system been polluted.

4)Strong boom and arm enable it work long hours even in tough projects.

SUP always listen to what our customer needs and provide reliable solutions.

Anytime, anywhere, SUP is Striving to provide the best products for you.


Each set of SUP Short Reach Front | Tunnel Boom Arm standard package including below parts:

  • 1 x Short boom 
  • 1 xShort arm/stick 
  • 1 x Arm cylinder
  • 1 set of bucket linkage
  • 1 x bucket cylinder
  • 8 x pins
  • 6 x hyraulic hoses
  • 1 x bucket

Applicable Excavator Brands:

Applicable models:

Caterpillar Excavator:


Hitachi Excavator: 



KOBELCO Excavator:


KOMATSU Excavator: 


Volvo Excavator: EC120,EC140,EC170,EC200,EC210,EC220,EC240,EC250,EC290,EC300,EC350,EC360,EC380,EC460,EC480,EC700,EC750,EC950

CASE Excavator: CX130,CX135,CX160,CX180,CX210,CX220,CX225,CX240,CX260,CX290,CX360,CX300,CX350,CX380,CX470,CX490,CX500,CX700,CX800.

Sumitomo Excavator: SH100,SH120,SH130,SH180,SH200,SH210,SH240,SH260,SH280,S280,S340,SH300,SH350,SH360,SH380,SH400,SH450,SH480,SH700.

Hyundai Excavator: R110,R130,R150,R200,R200-5,R210,R215,R220-5,R225LC,R230,R275,R290,R300LC,R305LC,R330LC,R350,R360LC,R400,R450LC,R375,R385,R485,R520,R800,R850.



Liebherr Excavator:R313,R317,R900,R906,R916,R924,R926,R942,R954,R964,R974,R984,R9250,R9350,R994,R995,R996,R9800.

KATO Excavator:HD512,HD513,HD514,HD820,HD823,HD1023,HD1430,HD250,HD400,HD450,HD550,HD700,HD800,HD820,HD900,HD1230,HD1250,HD1430,HD1638,HD1880,HD2045.







Choose SUP, gain superior quality attachments and long-term partner.








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