| Material | Q355B |
| Board thickness | 10mm, 14mm, 16mm, 25mm, 30mm |
| Excavator model | 6-8T, 10-15T, 20-24T, 30-36T, 45-50T |
| Bucket cylinder | Enlarge bucket cylinder |
| Lubriion system | Centralized |
| Bushing material | Graphite alloy copper |
| Welding process | Three layers with four passes |
| Steel pipe | Seamless precision |
| Reinforcement ribs | Built-in transverse and vertical |
| Elbow joint | 90 degree |
| Arm construction | Multi-layer reinforcing rib plate |
| Boom seat sleeve | All in one molding |
| Hydraulic pipelines | Section design |
| Back bushing | Whole board wrapped |
| Working space | Limited |
| Place of Origin | Guangdong, China |
| Brand Name | Zhonghe Machinery |
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Product Specification
| Material | Q355B | Board thickness | 10mm, 14mm, 16mm, 25mm, 30mm |
| Excavator model | 6-8T, 10-15T, 20-24T, 30-36T, 45-50T | Bucket cylinder | Enlarge bucket cylinder |
| Lubriion system | Centralized | Bushing material | Graphite alloy copper |
| Welding process | Three layers with four passes | Steel pipe | Seamless precision |
| Reinforcement ribs | Built-in transverse and vertical | Elbow joint | 90 degree |
| Arm construction | Multi-layer reinforcing rib plate | Boom seat sleeve | All in one molding |
| Hydraulic pipelines | Section design | Back bushing | Whole board wrapped |
| Working space | Limited | Place of Origin | Guangdong, China |
| Brand Name | Zhonghe Machinery | ||
| High Light | Excavator tunnel arm for sale ,Short boom excavator for ,Excavator tunnel boom for Hitachi | ||
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.
Zhonghe Machinery brings 8 years of specialized experience in excavator short boom manufacturing, with technology and quality standards recognized by customers worldwide.
| egory | 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.
Ideal for tunneling, underground excavation, basement digging, and other confined space operations where maneuverability and durability are critical.
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.
Our factory maintains an independent quality department. Each product undergoes rigorous testing and must pass final inspection at least 5 times before shipment.
Excavator long reach boom arms, telescopic arms, pile driving arms, grapples, and rock buckets.
30% deposit upon order placement, with balance due before factory departure.
7 days for 1-6 sets, 10 days for 7-12 sets, one month for 12-40 sets.
Quotations are based on excavator model, arm length, and specific working condition requirements.
OEM available with proper brand authorization.
Design → typesetting → cutting → machining → beveling → assembly → welding → pipe layout → pipe welding → grinding/sandblasting → painting → final assembly → quality inspection → packaging.
Colors can be customized to match your host equipment or specific requirements.
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2018
Total Annual:
1500000-2200000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd., a manufacturing and trading combo, specializes in customizing different kinds of excavator boom arms and attachments Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd., a manufacturing and trading combo, specializes in customizing different kinds of excavator boom arms and attachments
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