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PC350 Long Reach Excavator Booms , Komatsu Long Reach For Subway Construction

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PC350 Long Reach Excavator Booms , Komatsu Long Reach For Subway Construction

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Large Image :  PC350 Long Reach Excavator Booms , Komatsu Long Reach For Subway Construction

Product Details:
Place of Origin: China
Brand Name: HYKING
Certification: CE,ISO
Model Number: HK-LR350-1
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
Excavator: Komatsu PC350 Boom Length: 12000 Mm
Stick Length: 10000 Mm Bucket: 0.6 Cum GP Bucket
Max Reach: 21400 Mm Max Cut Depth: 16100 Mm
Max Cut Height: 16000 Mm Fold Height: 3400 Mm
Extra Counter Weigh: 4 Ton Color: Komatsu Yellow
Material: Q345B+Q690D Warranty: 6 Months
High Light:

excavator boom stick


excavator boom extension

PC350 Long Reach Excavator Booms , Komatsu Long Reach For Subway Construction


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 Komatsu PC350 long reach excavator boom:

Total length 22000 mm
Boom length 12000 mm
Stick length 10000 mm
Bucket 0.6 cum GP bucket
Max reach 21400 mm
Max cut depth 16100 mm
Max cut height 16000 mm
Folding height 3400mm
Material Q345B+Q690D
Extra counter weight 4 ton

This is a very longer long reach excavator boom,need 4 ton counter weight to keep balance.

We amend the original counter weight longer and make the weight 4 ton higher than before.




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.



  • we specialized in customizing all kinds of long boom for all kinds of excavators.
  • We have detailed dimension of Komatsu PC350 excavator,so just give us the excavator model is ok.
  • Main sheet Material of this Komatsu PC350 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.
  • 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.
  • Welding is protective gas welding,the protective gas is 80% Argon and 20% CO2 mixed.
  • 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


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 use this long reach excavator booms for their subway station construction projects.

Follow is the picture in customer yard



Factory picture and Delivery picture:

PC350 Long Reach Excavator Booms , Komatsu Long Reach For Subway Construction 0



Contact Details
Dongguan Hyking Machinery Co., Ltd.

Contact Person: Terry Wang

Tel: +8613662847893

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