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Dongguan Hyking Machinery Co., Ltd.
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Professional Mini Excavator Extendable Arm , Cat Excavator Parts With 1.2 Cum Bucket

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Professional Mini Excavator Extendable Arm , Cat Excavator Parts With 1.2 Cum Bucket

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Large Image :  Professional Mini Excavator Extendable Arm , Cat Excavator Parts With 1.2 Cum Bucket

Product Details:
Place of Origin: China
Brand Name: HYKING
Certification: CE,ISO
Model Number: HK-LR450
Payment & Shipping Terms:
Minimum Order Quantity: 1 Set
Price: USD17500~19500
Packaging Details: film packing
Delivery Time: 25 days
Payment Terms: L/C,T/T
Supply Ability: 20 sets/month
Detailed Product Description
Excavator: Sany SY485 Boom Length: 10000 Mm
Stick Length: 8000 Mm Bucket: 1.2 Cum GP Bucket
Max Reach: 17600 Mm Max Cut Depth: 11800 Mm
Max Cut Height: 13920 Mm Fold Height: 3400 Mm
Extra Counter Weight: No Need Material: Q345B+Q690D
Color: Sany Yellow
High Light:

material handling equipment


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Professional Mini Excavator Extendable Arm , Cat Excavator Parts With 1.2 Cum Bucket




Long reach excavator boom arm is larger work range,and very popular and high efficient in dredging work,dredging river,dredging sea,dredging port,etc Long reach excavator boom arm also popular in lots of constructions,such as subway construction,dam construction,etc We are professional in designing,engineering,and manufacturing long reach excavator Material Handling boom arm. We have detailed dimension of most excavators,and Just give us the excavator model is ok. Such as this Sany SY485 excavator,we have all detailed dimension,so customer just told us his excavator is Sany SY485 is ok.


Dongguan Haijing Machinery Co., Ltd. is located in Dongguan, Guangdong Province, a famous manufacturing city in China. Has a large number of high-precision processing equipment, such as plasma, CNC flame cutting machine, floor milling machine, large lathe / drilling machine, etc., is one of the domestic large-scale construction machinery parts manufacturers, the main products are: excavator claws, excavator and long arm, Demolition of the arm, shortening of the arm, grasping the wood, etc. The products are sold all over the country and exported to more than 30 countries. They have provided product supporting services for many large-scale projects such as subway construction, hydropower stations, nuclear power plants, municipal projects, river dredging, and tunnel projects.

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. 

Specification of this Sany SY485 long excavator Material Handling boom arm:

Total length 18000 mm
Boom length 10000 mm
Stick length 8000 mm
Bucket 1.2 cum GP bucket
Max reach 17600 mm
Max cut depth 11800 mm
Max cut height 13920 mm
Folding height 3400mm
Material Q345B+Q690D
Extra counter weight No Need

Sany SY485 is a nearly 50ton excavator,and 18m Length long Material Handling boom arm do not need extra counter weight.



Specification of our standard long excavator material handling boom arm

Model LR120 LR200-1 LR200-2 LR300 LR350 LR400 LR450
Total length (mm) 13000 15500 18000 18000 20000 22000 24000
Self weight (kg) 3000 4150 4400 5200 6000 6500 7000

Max cut depth


9000 11340 12200 12200 14500 16100 18000
Max reach (mm) 12500 15100 17600 17600 19600 21600 23200

Max cut height


11300 12510 13500 13720 14920 16100 17300

Folding height


2900 2980 3040 3210 3320 3400 3430

Bucket capacity


0.3 0.6 0.4 0.4 0.5 0.6 0.6

excavator tonnage


10~15 16~22 20~24 25~33 30~36 35~42 40~50

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



Our Advantages:


1. Main sheet Material of this Sany SY485 18m Length excavator long reach material handling boom arm 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.

Q690D is a high strength steel,Yield strength over 690Mpa.Good Quality plate for Long reach boom.
2. In order to make the welding can go to the internal of the steel-sheet and make the structure have higher performance.

Before welding,we have usen big edge milling machine to bevel the edge of the sheet.

3. Welding is protective gas welding,the protective gas is 80% Argon and 20% CO2 mixed.

4.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

5. If you need extra hydraulic pipe for breaker or other attachments,we also can prerpare for you.And the attachments pipe have stop valve in both end,it's easy for replace attachments.




1. Customer is a Sany dealer.Final customer purchase 3 kits long Material Handling Arm excavator from the dealer.

2. Sany dealer purchased 3 sets excavator without standard boom arm from Sany factory,and purchased 3 kits long material handling boom arm from our factory,assembled together for the final customer.


Contact Details
Dongguan Hyking Machinery Co., Ltd.

Contact Person: Terry Wang

Tel: +8613662847893

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