• Kaiping Zhonghe Machinery Manufacturing Co., Ltd
    David Cordova
    High quality excavator boom with good price! I like it very much, so I brought 2 units of demolition arm again. The whole process went smoothly. Next time I need to buy excavator arms, I will buy them from here.
  • Kaiping Zhonghe Machinery Manufacturing Co., Ltd
    Vaina Conroy
    Very happy with the service provided. All questions were answered promptly. The product was as described and arrived on time. Great packaging. The biggest surprise was that the welding quality of the product exceeded my expectations.
  • Kaiping Zhonghe Machinery Manufacturing Co., Ltd
    William Hollister
    Very helpful. The excavator long reach arm I purchased are solidly built, well made and I have no doubt they will last for many years.
Contact Person : Nina Liu
Phone Number : +8615362217237
WhatsApp : +8615362217237

tolerance 5-10um Long Reach Stick , Cat 320D Excavator Boom Arm

Place of Origin China
Brand Name ZHONGHE
Certification CE
Model Number 20-27T
Minimum Order Quantity 1set
Price 9998
Packaging Details Plastic wrap and bubble wrap packing
Delivery Time 15`20days
Payment Terms T/T
Supply Ability 50set one month
Product Details
Material Q355B Size Custom
Condition New Long Reach Boom & Arm Warranty 1 Year
After-sales Service Provided Online Support Bucket Capacity 0.4-0.5CBM
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Long Reach Stick


Q355B Long Reach Stick


Cat 320D Excavator Boom Arm

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Product Description

Excavator long reach arm custom size for any brand such as DOOSAN HYUNDAI KOMATSU KOBELCO

Catalogue ZH excavator boom arm.pdf

Introduction of long reach excavator arms

In fact, the product classification of the long-arm excavator manufacturers is also learned, Because the general excavator extension arm can be divided into several types, With a two-stage pattern, three stops, There are even four stages, Length of up to 18 meters, 28 m, Even up to 40 meters, And the general two-stage extension arm will be used in ordinary engineering, And three-stage and four-stage type can be used in high-rise demolition above, The reason why many consumers now choose the three-stage model, Because of the relatively high cost of the two-stage model, And in order to save costs, You can choose a three-step extension arm, Affordable and also increases the operating length of the original machine, It has a big advantage over ordinary excavators, Is to add a set of arm to the original arm of the excavator, Set set in the original excavator arm, Converted to a three-segment arm, At the other end, It is also very popular in many projects.


Product advantage of long reach boom arm


Using high quality materials, such as Q355B as default, Q690D optional, Niningbo connectors, seamless precision piplines, graphite alloy copper sleeve, strong but light bucket cylinder.
2. Strong and sturdy
Built-in reinforcing ribs. Professional welding skill towards different bearing position. Groove preparation(45° edge-mining) before welding.

1. Tolerance within 5-10um
Hole drilling tolerance is within 5-10um, ensure the accuracy.
2. Reach deeper and higher
Max work range and the max digging height are larger as angle of boom and arm can reach 163 degrees.
3. High work efficiency and save fuel
Lighter while taking into account the quality, it not only ensures work efficiency but also saves fuel.

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The specification of  long reach arm for excavator

Excavator Ton Total Length(mm) (A)Boom(mm) (B)Arm(mm) Maximum Digging Radius(mm) Maximum Digging Depth(mm) Maximum Unloading Height(mm) Maximum Digging Height(mm) Bucket Volume(cbm) Cylinder(ton)
11-15T 13000 7250 5750 11200 9000 7550 9350 0.15-0.3 12T
20-25T 15400 8220 7180 14500 11300 10400 12600 0.4-0.6 12T
20-30T 18000 10000 8000 17300 13000 17200 14000 0.4-0.7 12T
35-40T 20000 11000 9000 19200 14900 12900 15200 0.6-1.2 12T
40-45T 22000 12000 10000 21300 16000 14000 17000 0.5-1 20T
40-50T 24000 13000 11000 23000 17900 15200 18100 0.5-1.1

tolerance 5-10um Long Reach Stick , Cat 320D Excavator Boom Arm 1


Our Long Reach Booms Sticks fit most makes and models,

Include but not limit below models.
Komatsu Excavator Model: PC160LC-8, PC200, PC210, PC228, PC220 PC270, PC300, PC350, PC450, PC600, PC850, PC1250
Caterpillar Excavator Model: CAT320, CAT323, CAT326, CAT329, CAT330, CAT335, CAT336, CAT349, CAT352, CAT374, CAT390
Hitachi Excavator Model: ZX210, EX200, EX220, EX330, EX350, ZX200, ZX240, ZX330, EX350, EX400, ZX470, ZX670, ZX870, EX1200, EX1900
Volvo Excavator Model: EC220, EC235, EC250, EC300, EC350, EC355, EC380, EC480, EC750
Doosan Excavator Model: DX225, DX235, DX255, DX300, DX350, DX420, DX490, DX530, DX800
Kobelco Excavator Model: SK200, SK210, SK220, SK250, SK260, SK300, SK330, SK350, SK380, SK460, SK500, SK850
Sumitomo Excavator Model:?SH210, SH225, SH240, SH300, SH330, SH350, SH460, SH480, SH500, SH700, SH800
Hyundai Excavator Model: R200, R210, R220, R290, HX220, HX235, HX260, HX300, HX330, HX380, HX430, HX480, HX520, R1200



Factory advantage of long boom excavator arm

1. 14000㎡ Workshop

We has more than 14000㎡ steel structure standard workshop with a large number of high precision processing equipments.

2. High-tech R&D Team
We use precision drawing software to achieve the max working range under the premise of safe operation.

3. Experienced Workers
There are more than 60 skillful staffs, 30 welding workers with over 5 years welding experience.

4. Customization
(1)Match all brand excavator.
(2)Color, length, material can do according to you.
(3)Extra pipeline can be added to suit to some extra application.

5. Prompt Lead Time
(1)Our lead time is 7-15 days.
(2)Our annual output of various types of excavator boom arms can reach 600 sets.



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Construction Case 

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Our factory other products

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1. what size of long boom should i choose?

Firstly, send us a inquiry , our sales will responsible for your question one by one, generally tell me the excavator model , we can know what size of long reach boom can fit your machine. For excample , for 20tons excavator , we can make 16meters or 18meters , 18meters will additional need 2tons counter weight.

2. Does you product have MOQ ? how long is the production time?

Our production MOQ is 1pc , we accept custom design. With professional worker hard work and OT , our production time can shorten to 7~15days , also will depend on the quantity you need . Details our sales will tell you.

3. What payment do you accept?

We accept TT transfer and alibaba pay , for TT , 30% deposit to arrange produce , 70% balance should be paid before send out the goods , for alibaba pay , we can make a trade assurance for you to pay .

4. Why should I buy from you but not other suppliers?

As you know , we are the original factory for long reach boom , our price is the best , there are many foreign trade company to ask us to quote the same product as our client , but finally client choose us , because we are the original factory , our price is the best , you can do business with us directly to save time and cost , don`t need through others .

5,what aftersale service can i get?
Product get guarantee period , when you intalling our goods , we have engineer to guide you to make every step is going well .


Contact us!

tolerance 5-10um Long Reach Stick , Cat 320D Excavator Boom Arm 10


tolerance 5-10um Long Reach Stick , Cat 320D Excavator Boom Arm 11

                                                                   Send us a inquiry right now :)