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Dongguan Hyking Machinery Co., Ltd.
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Cost Effective Mini Excavator Attachments High Performance Long Durability

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Cost Effective Mini Excavator Attachments High Performance Long Durability

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Product Details:
Place of Origin: China
Brand Name: HYKING
Certification: CE,ISO
Model Number: HK-MHB400
Payment & Shipping Terms:
Minimum Order Quantity: 1 Set
Price: USD11000~23000
Packaging Details: film packing
Delivery Time: 45 days
Payment Terms: L/C,T/T
Supply Ability: 5 sets/month
Detailed Product Description
Excavator: Jonyang JY640 Boom Length: 9800 Mm
Stick Length: 5200 Mm Bucket: 2 Cum Shell Bucket
Max Reach: 13800 Mm Max Load Height: 6500 Mm
Extra Counter Weight: No Need Material: Q345B+Q690D
High Light:

mini excavator extendable arm


material handling equipment

Cost Effective Mini Excavator Attachments High Performance Long Durability



Haijin Machinery specializes in non-standard customized services. Customized products are suitable for all brands of excavators: Carter CAT, Komatsu PC, Hitachi ZX (EX), Kobelco SK, Hyundai R, Liebherr, Kato HD, Daewoo (Doosan) DH, Sumitomo SH, Case, Volvo EC, Sany, Xugong, Yuchai, Liugong, Xiagong, Longgong, Luxide, Shanzhong and so on.

"Excellence, craftsmanship" is our belief. Based on customer feedback and field visits by technicians, we continuously improve and perfect products to provide customers with the most perfect service.

Original excavator standard boom usually shorter and small work range.Can not suitable for all kinds of work condition.

Material Handling boom mainly for loading,unloading and transpoting work,very high efficient.



  • High volume bulk material handling,volume much more bigger than standard bucket.
  • Ideal for loading and unloading bulk cargo at docks,such as loading&unloading of Coal,Sand,Corn,etc.
  • Ideal for scrap loading,unloading and transporting.Very popular in metal factory and recycling company.

Our Advantages:
1. We specialized in customizing all kinds of long boom for all kinds of excavators.
We have detailed dimension of this Jonyang JY640 excavator,so just give us the excavator model is ok.
2. Main sheet Material of thisJonyang JY640 excavator long reach boom is Q345B + Q690D,the top and bottom cover plate of boom and stick is Q690D,and other sheet is Q345B,Pin’s material is 42CrMo4.
3. Before welding,we have use big edge milling machine mill the edge of the sheet.So the welding can go to the internal of the steel-sheet and make the structure have higher performance.
Cost Effective Mini Excavator Attachments High Performance Long Durability 0


Cost Effective Mini Excavator Attachments High Performance Long Durability 1
4. Welding is protective gas welding,the protective gas is 80% Argon and 20% CO2 mixed.
5. For all long boom we produced,will supply follow parts:
Bucket:1 pcs
Linkage:1 kits
Bucket cylinder:1 pcs
Hydraulic pipe:1 kits
Lubricant pipe:1 kits
Counter weight(if need):1 pcs
Stick cylinder:Can match original stick cylinder to save cost,if you need,we also can prepare.
For bigger excavator(tonnage higher than 50ton),we advise use the original stick cylinder,original cylinder quality much more better.


Specification of this Jonyang JY640 15m Material Handling Boom Arm:

Total length 15000 mm
Boom length 9800 mm
Stick length 5200 mm
Bucket 2 cum rotate shell bucket
Max Work range 13800 mm
Max Load &unload height 6500 mm
Material Q345B+Q690D
Extra counter weight No need

We customize this Long material handling boom according to customer requirements.

It's Shorter than our standard design.


Specification Of Our Standard Material Handling Boom Arm:

Model HK-MHB300 HK-MHB400 HK-MHB500
Excavator / ton 25~33 34~45 46~55
Total Length / mm 13000 16000 20000
Boom Length / mm 7800 9100 12100
Stick Length / mm 5200 6900 7900
Max work range / mm 11800 14800 18500
Max Loading Height / mm 5000 7600 8800
Attachments Weight / kg 1200 2000 2500
Max Lift Capacity / ton 1.8 3.5 4
Counter weight / ton No need 2 4

Above parameter is our standard parameters,if you need special design,we can customize for you.

1. Customer purchased both the long boom and shell bucket from our company.
2. Customer use this Jonyang JY640 15m long material handling boom arm for coal loading & unloading.

Cost Effective Mini Excavator Attachments High Performance Long Durability 2




Contact Details
Dongguan Hyking Machinery Co., Ltd.

Contact Person: Terry Wang

Tel: +8613662847893

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