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19m Alloy Steel Practical DX300 Doosan Long Reach For Excavator

Categories Long Reach Excavator Booms
Brand Name: Zhonghe
Model Number: 20 m
Certification: CE
Place of Origin: China
MOQ: 1
Price: CNY 82800-92000/Unit EXW
Payment Terms: T/T, discussion
Supply Ability: 60 pcs per month
Delivery Time: 10-15 working days
Packaging Details: Wooden case, bubble bag or iron support
Warranty: 1 Year for boom arrm
Color: Yellow,Black,Optional
Part name: Boom/Arm/Bucket Cylinder
After-sales service provided: 24h Online support
Condition: 100% brand new
Bucket capacity(m3): 0.6 m³
Bucket cylinder: 20 T
Not included: Stick cylinder, counterweight
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19m Alloy Steel Practical DX300 Doosan Long Reach For Excavator

Doosan DX300 Long Reach 19m Alloy Steel Practical for excavator for sale

Catalogue ZH excavator boom arm.pdf

The simulation diagram of 20M long reach




Parameters of 20 meters Excavator Long Reach Boom

Excavator TonTotal 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)
11-15T1300072505750112009000755093500.15-0.312T
20-25T1540082207180145001130010400126000.4-0.612T
20-30T18000100008000173001300017200140000.4-0.712T
35-40T20000110009000192001490012900152000.6-1.212T
40-45T220001200010000213001600014000170000.5-120T
40-50T240001300011000230001790015200181000.5-1.120T
Long Reach Booms are made of high strength and high Tensile alloy steel Q355B, and better material (700Mpa Yield Strength) is optionalCharacteristics of Zhonghe long reach fronts


01 Use Q355B material,
02 Adopts precision steel pipeline
03 Adopt alloy copper sleeve big arm base
04 Two layers groove welded to ensure
05 Double quality inspection before leaving
06 The tolerance of position size within 1 mm
07 Angle of boom and arm can reach 163°
Tolerance within 5-10um, ensure the accuracy of hole


FAQ of Long Reach Excavator Boom


Q1: Why not have boom and stick cylinders in the plan?
A1: First, the whole long arm is lengthening, but the boom just lengthening from its middel sleeve to its end, so the original boom and stick cylinder can be used. Second, using the original parts can save your cost.


Q2: How long is the boom arm can min excavator be be configured with? Whether it is necessary to increase the counterweight?
A2. Generally speaking, 30-40 excavator longest arm suggests to be 8 meters, can configure 0.1 cbm bucket, no need extra counterweight. 55 excavator longest arm suggests to be 12 meters, can configure 0.1-0.15 cbm bucket, need 0.5 ton extra counterweight. 60-80 excavator longest arm suggests to be 12 meters, can configure 0.15-0.25 cbm bucket, need 0.5-0.7 ton extra counterweight.
It is not recommended to extend boom arm to longest length as min excavator is easy to sloshing.



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