Heavy Duty Hydraulic Excavator Tunnel Arm
Shortened Boom and Arm with 40-45 Ton Load Capacity for Mining & Construction
Our heavy duty hydraulic excavator tunnel arm, also known as shortened arm, is specifically engineered for tunneling operations and other confined work conditions. This specialized equipment can accommodate larger breaker models than standard arms, significantly increasing work efficiency.
Key Features
- Iron sand-filled front arm for enhanced breaker stability and reduced rebound
- Strategically positioned bucket cylinder to minimize damage
- Optimized for confined space operations
- Compatible with larger breaker models for improved efficiency
Technical Specifications
ZHONGHE Advantages
- Modern design and styling
- Professional engineering team
- Comprehensive quality control systems
- Competitive pricing
- CE certification compliance
- Responsive customer service
- Patented technology
- Extensive production experience
Tunnel Arm Configuration
Complete package includes: one middle arm cylinder, one bucket cylinder, six pins, one set of breaker hammer pipelines, six high-pressure hoses, two stop valves, and one set of connecting rod assembly.
Manufacturing Excellence
Located in Cuishanhu New District, Kaiping City, Guangdong Province, China, our facility features an 18,000㎡ steel structure workshop equipped with high-precision processing equipment. Our team includes over 100 experienced technical staff, 50 welding specialists with 7+ years experience, 30 senior designers, and a dedicated R&D team with 10+ years customization experience and 100+ technical patents.
Production Process Advantages
- CNC plasma cutting for minimal panel deformation
- Experienced welders with 10+ years expertise
- Environmentally certified spraying facilities
- Professional paint finishing
- Three-layer, four-pass welding technique
- Graphite alloy copper sleeves
- Seamless precision steel pipes
- Centralized lubrication systems
Packaging & Delivery
Comprehensive packaging solutions including bubble bag packaging for most products, wooden cases for smaller components, and iron frame support for boom arms. All accessories and packaging are subject to final confirmation.
Frequently Asked Questions
Does the Excavator with Long Reach Boom suitable for working in sea water?
Yes, it can work in sea water with anti-corrosive painting. Note that some wearing components may have reduced lifespan due to sea water corrosion.
How can we guarantee quality?
Our three-stage quality control system includes technical design review, semi-finished product inspection, and finished product testing for welding quality and installation dimensions.
What can you buy from us?
We manufacture excavator long reach booms, demolition arms, telescopic arms, tunnel arms, various buckets, grippers, rippers, and related accessories.
Why should you buy from us?
We provide high-quality products at competitive prices with excellent service, using premium materials and professional design with strict quality control.
What are your payment terms?
Preferred T/T (50/50) through Ali Credit Insurance for trial orders. L/C at sight and cash payments also accepted.
How long to receive a quotation?
Within 2 working days after confirming your excavator model and boom arm working conditions.
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