Excavator Tunnel Arm & Shorten Boom
Our excavator tunnel arms and shorten booms are engineered from high-strength steel to withstand the rigorous demands of heavy-duty excavation. Designed for exceptional maneuverability, they provide optimal performance in confined spaces with superior rotation and pivot capabilities.
Application Areas
Ideal for tunnel digging, narrow space operations, house foundation pits, deep excavation projects, and other underground construction applications where space is limited.
Product Specifications
| Component | Excavator Model (Ton) | Board Thickness (mm) |
|---|
| Boom | 6-8T | 10mm |
| Arm | 6-8T | 10mm |
| Boom | 10-15T | 14mm |
| Arm | 10-15T | 14mm |
| Boom | 20-24T | 16mm |
| Arm | 20-24T | 16mm |
| Boom | 30-36T | 25mm |
| Arm | 30-36T | 25mm |
| Boom | 45-50T | 30mm |
| Arm | 45-50T | 30mm |
Customization service is always available. Please provide your excavator model for a tailored solution.
Product Overview
Our excavator tunnel arms and booms are designed for safety, balance, and high efficiency in demanding underground environments.
Technical Excellence & Quality Control
ZHONGHE Advantages
Modern Design & Style
Professional Engineering Team
Rigorous Quality Control
Competitive Pricing
CE Certification
Responsive Customer Support
Patented Technology
Extensive Production Experience
Superior Engineering Features
- Centralized lubrication system for easy maintenance
- Back bushing fully wrapped by integrated board to prevent dislodgement
- Multi-layer reinforcing rib plates at stress points for enhanced durability
- Optimized hydraulic pipeline section design for simplified maintenance
- Graphite alloy copper sleeves for extended service life
- Boom seat sleeve manufactured using one-piece molding process
- Three-layer, four-pass welding technique for superior strength
- Seamless precision steel pipe construction
- Built-in transverse and vertical reinforcement ribs for increased tensile strength
- 90-degree elbow joints to prevent hose bending and extend service life
- Enhanced piling height capability compared to standard pile driving arms
Comprehensive Quality Assurance
Our three-stage inspection system ensures every product meets the highest quality standards:
Stage 1: Technical design drawing review mechanism
Stage 2: Semi-finished product review with process-to-process verification
Stage 3: Finished product testing including dimensional verification and installation compliance
Every ZHONGHE product undergoes this comprehensive three-stage inspection to guarantee qualification before shipping.
Manufacturing Capabilities
Our facility employs over 15 technical staff including designers, engineers, and sales professionals, supported by more than 100 skilled workers organized into specialized groups for material processing, machining, and assembly. Each group is supervised by team leaders to ensure quality at every production stage.
Frequently Asked Questions
How do you guarantee product quality?
Our independent quality department conducts multiple tests on every product. Each unit undergoes at least 5 final inspections before shipment to ensure compliance with our strict quality standards.
What products do you offer?
We specialize in 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 the remaining balance due before factory departure.
What is your production timeline?
7 days for 1-6 sets, 10 days for 7-12 sets, and one month for 12-40 sets.
How are product quotes determined?
Quotations are based on excavator model, required length, and specific working condition requirements.
Do you offer OEM services?
OEM services are available with proper brand authorization.
What is your manufacturing process?
Our comprehensive process includes design, typesetting, cutting, machining, beveling, assembly, welding, pipe layout, grinding, sandblasting, painting, quality inspection, and packaging.
Can I customize the color?
Colors can be customized according to user requirements, typically matching the host machine color.
Contact us today for special offers and pricing information!
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