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Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm

China Guangzhou Huitong Machinery Co., Ltd. certification
We tried our first order in 2018, which was two years after I exchange my business card with Alice in 2016 Bauma conexpo India. Our supplier didn't finish our order on time, and it will cause around 100,000 USD lose to us. That's when we tried Huitong the first time. Huitong is good at dealing with rush orders, and the quality is very good.

—— Mr.Varun, Dealer, India

I work with Huitong the first time when I started my importing business. I've got tons of market insights from Jeremy. He is such a good friend being very tolerant to my bad temper. In 2017, Jeremy helped me handle a problem of bill of lading, which is caused by me. Huitong always emphasize that we should deal with the problem as soon as it occurs.

—— Mr.Stanislav Lilov, Bulgaria

We started cooperated with Huitong from 2017, they are honest, professional, always help us slove problems at the first step, we buy excavator attachments from Huitong in one stop, we share market insights like a good friend. Love Their Work.

—— Sony

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Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm

Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm
Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm
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Large Image :  Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm

Product Details:
Place of Origin: GUANGDONG, China
Brand Name: HUITONG
Certification: ISO9001
Model Number: Rock Boom-HT068
Payment & Shipping Terms:
Minimum Order Quantity: 1 Piece/Pieces
Price: Negotiable
Packaging Details: Standard Package
Delivery Time: 10-15 days
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 250 Pieces per Month
Detailed Product Description
Application: Crawler Excavator Brand: HUITONG
Model: MAG-18VP-230 MAG-18VP-250/350 MAG-26VP MAG-33VP MAG-85VP Applicable Industries: Machinery, Construction Works
OEM: Available Core Components: Spare Parts
Place Of Origin: Guangdong, China
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PC300 Excavator Boom Arm


Q690D Excavator Boom Arm

PC300 Rock boom and arm, hydraulic rock arm breaker excavator boom arm for sale


Product Application

1.Applicable for all model of Hyundai excavator.


2.Standard supply included:ripper,linkage,bucket cylinder, 4oil pipe/hose,6pins,lubricating system


3.Many different material such as Q345B,Q690D,Weldox are optional to suit to your application.


4.Suitable for digging rock or ferment soil because its much stronger than the standard boom arm.


5.Six month warranty


6.All pin bushing are grooved for better lubrication.



Product range

The Rock arm is a Special-purpose Attachment for Excavator. It is designed to handle weathered rock and shale. In general, ripper attached to standard arm can not work and breaker hammer is of lower efficiency, which cannot meet the equirement of working environment. But for rock arm, of which shortened length and incremental weight to a large extent strengthen excavation, it can easily overcome rugged conditions.

Product Advantages

Unique innovation and design : The length of the arm shortened and the weight of the arm increased, changing the proportion of the upper and lower two parts with a new fulcrum and the strength of a powerfull cylinder. All that makes the Mining damage ability of our product much more outstanding than the normal ones. This new product, has been widely used in mining, road construction, housing construction, frozen soil construction and other types of projects.


Large scale breaking hammer installation : Due to the shortened and heavy arm, the installation of large scale breaking hammer is available. At the same time, the machines are more powerful than the normal ones without any fracture issues.


• High quality : The scientific and reasonable structural design and stable production technology not only shorten the working hours but also reduce the operating cost of the excavator.


Customer Service

1. Before signing an official contract with our customers, we will help to analyze and provide professional solutions, recommdations based on the project information provided by customers.


2. An experienced tech-team are ready to meet your special requirements.


3. Your inquire related to our products or price will be replied in 24 hrs


4. Keeping our customers update about the orders' production process and arrange quality checking in the workshop is available if you want.


5. Online techinical supports are available for the whole product life. Oversea services are available with extra fees.



1.Packing:standard export wooden pallet or export wooden cases


2.Delivery time:10-15 working days after receiving your advance payment


3.We have a team specialized into packing and loading container,they have rich experience,and we can load the max.quantity excavator buckets and parts,to help customer save ocean freight.



Rock Boom&Arm
Machine Tonnage Length of Boom(mm) Length of Arm(mm) Total Length (mm) Weight (T) Height (mm)
40T 5600 3300 8600 16 3420
45T 5850 3400 8800 18 3420
50T 6100        3500 9100 20 3440
60T 6300 3750 9500 22 3620
70T 6500 3950 9800 24 3850


Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm 0


Q690D PC300 Hydraulic Rock Breaker Excavator Boom Arm 1



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We also manufacture excavator rock digging buckets, excavator trenching buckets, excavator sieve buckets with tooth, excavator mud buckets, excavator rippers, excavator demolition grapples, excavator compactor wheels, excavator root rakes, excavator tilt buckets, excavator skeleton buckets with cutting edge, excavator rock grabs, stand booms & arms and long reach arm, & booms, etc. They are made to suit from 2 - 75 ton Komatsu, Kobelco, CAT, Hitachi, Volvo, Sumitomo, Kato, JCB, John Deere, CASE, Liebherr, Atlas, Kubota, Takeuchi, IHI, Yanmar, Doosan, Hyundai, Yuchai, New Holland, XCMG, SANY, Zoomlian, Liugong, Sunward, etc excavators, dozers and backhoes.

Contact Details
Guangzhou Huitong Machinery Co., Ltd.

Contact Person: Tang

Tel: +8618922117251

Send your inquiry directly to us (0 / 3000)