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Balanced Long Reach Excavator Booms Q345B Q690D Material Size Customized

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Balanced Long Reach Excavator Booms Q345B Q690D Material Size Customized

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Large Image :  Balanced Long Reach Excavator Booms Q345B Q690D Material Size Customized

Product Details:
Place of Origin: China
Brand Name: HYKING
Certification: CE,ISO
Model Number: HK-LR300
Payment & Shipping Terms:
Minimum Order Quantity: 1 Set
Price: Negotiation
Packaging Details: film packing
Delivery Time: 35 days
Payment Terms: L/C,T/T
Supply Ability: 10 sets/month
Detailed Product Description
Also Called: Long Reach Excavator Booms Bucket: 0.6 Cum GP Bucket
Max Reach: 19600 Mm Max Cut Depth: 14500 Mm
Max Cut Height: 14920 Mm Fold Height: 3210 Mm
High Light:

excavator boom stick


long reach attachments

Balanced Long Reach Excavator Booms Q345B Q690D Material Size Customized


Long reach boom excavator is large work range,and very popular and high efficient in dredging work,subway constructions and lots of other projects.



Specification of this CAT329D excavator 20m Long Reach Excavator Booms:

Total length 20000 mm
Boom length 11000 mm
Stick length 9000 mm
Bucket 0.6 cum GP bucket
Max reach 19600 mm
Max cut depth 14500 mm
Max cut height 14920 mm
Folding height 3210mm
Material Q345B+Q690D
Extra counter weight 3 ton

This long reach excavator boom,need 3 ton counter weight to keep balance.

  • Falling Object Protection Structure: The top plate of cab is punch-formed with thick high-strength steel sheet integrated with reinforced ribs which maximize the safety of operator.
  • Large Rear View Mirror & Alternate Exit: Rear view mirror of SY215C medium excavator is mounted on both sides of the cab which can observe the situation behind the excavator without looking back.
  • Large Low Noise Cab: The control provide you with the best driving experience for levers and joysticks designed and arranged according to ergonomic, adjustable seat with suspension, noise reduction design and low-noise engine.




Specification of our standard long reach excavator booms

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.



1. We specialized in customizing all kinds of long boom for all kinds of excavators.

We have detailed dimension of CAT329D excavator,so just give us the excavator model is ok.

2. Main sheet Material of this CAT329D 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 to bevel the edge of the sheet.

So the welding can go to the internal of the steel-sheet and make the structure have higher performance.


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

Balanced Long Reach Excavator Booms Q345B Q690D Material Size Customized 0


6. 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.




Customer purchase this CAT329 20m long reach excavator boom attachments for their subway station construction projects

Contact Details
Dongguan Hyking Machinery Co., Ltd.

Contact Person: Terry Wang

Tel: +8613662847893

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