High Efficiency Excavator Tunnel Arm
Product Overview
Our excavator short boom and tunnel arm are manufactured using the same high-quality materials as standard boom and arm components. The shortened design provides enhanced durability and superior performance in confined working spaces such as basements and tunnels.
Manufacturing Expertise
Zhonghe Machinery brings 8 years of specialized experience in excavator short boom manufacturing, with technology and quality standards recognized by customers worldwide.
Specifications by Excavator Model
| Category |
Excavator Model (Ton) |
Board Thickness (mm) |
| Boom |
6-8T |
10mm |
| Arm |
|
|
| Boom |
10-15T |
14mm |
| Arm |
|
|
| Boom |
20-24T |
16mm |
| Arm |
|
|
| Boom |
30-36T |
25mm |
| Arm |
|
|
| Boom |
45-50T |
30mm |
| Arm |
|
|
Compatible with all excavator brands. Contact us with your specific model for personalized recommendations.
Company Advantages
Modern Design
Professional Team
Quality Control
Competitive Pricing
CE Certification
Responsive Support
Patented Technology
Extensive Experience
Technical Features
- Centralized lubrication system
- Integrated back bushing design prevents detachment
- Multi-layer reinforcing rib plates at stress points
- Optimized hydraulic pipeline section for easy maintenance
- Graphite alloy copper sleeves
- One-piece molding process for boom seat sleeves
- Three-layer, four-pass welding technique
- Seamless precision steel pipe construction
- Built-in transverse and vertical reinforcement ribs
- 90-degree elbow joints extend hose service life
- Superior piling height compared to standard arms
Application Scenarios
Ideal for tunneling, underground excavation, basement digging, and other confined space operations where maneuverability and durability are critical.
Manufacturing Capability
Our team includes over 15 technical staff (designers, engineers, sales) and more than 100 skilled workers organized into specialized groups for material processing, machining, and assembly. Each production stage is supervised to ensure quality and precision.
Frequently Asked Questions
How do you guarantee product quality?
Our factory maintains an independent quality department. Each product undergoes rigorous testing and must pass final inspection at least 5 times before shipment.
What products do you offer?
Excavator long reach boom arms, telescopic arms, pile driving arms, grapples, and rock buckets.
What are your payment terms?
30% deposit upon order placement, with balance due before factory departure.
What is your production timeline?
7 days for 1-6 sets, 10 days for 7-12 sets, one month for 12-40 sets.
How are prices determined?
Quotations are based on excavator model, arm length, and specific working condition requirements.
Do you offer OEM services?
OEM available with proper brand authorization.
What is your manufacturing process?
Design → typesetting → cutting → machining → beveling → assembly → welding → pipe layout → pipe welding → grinding/sandblasting → painting → final assembly → quality inspection → packaging.
Can I customize the color?
Colors can be customized to match your host equipment or specific requirements.
Contact Us for Additional Models
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