• Model NO.：Sk850
• Boom Length：13000mm
• Arm Length：11000mm
• Max Dig Depth：16800mm
• Max. Reach Lenth：23500mm
• Max. Dig Height：17200mm
• Extra Counter Weight：5000kg
• Suit Excavator Tonnage：Kobelco Sk850 Excavator
• Bucket：1.6 M3
• Transport Package：Bubble Film
• Specification：CE, SGS, ISO9001: 2000
• Trademark：HDKK
• Origin：Dongguan City, Guangdong Province
• HS Code：843149
• Production Capacity：1000set,Year

Basic Info.

Model NO. Sk850 Boom Length 13000mm Arm Length 11000mm Max Dig Depth 16800mm Max. Reach Lenth 23500mm Max. Dig Height 17200mm Extra Counter Weight 5000kg Suit Excavator Tonnage Kobelco Sk850 Excavator Bucket 1.6 M3 Transport Package Bubble Film Specification CE, SGS, ISO9001: 2000 Trademark HDKK Origin Dongguan City, Guangdong Province HS Code 843149 Production Capacity 1000set/Year

Product Description

 

Excavator long reach boom and arm
 

^{(1)Specifications and Standard Supply:}

Long boom	One unit	Long arm	One unit
Bucket cylinder	One unit	Standard bucket	One unit
pins	8 units	"H" linkage	One set
High pressure hoses	4 units	Steel tube	4 units
Boom cylinder	Use original cylinders	Arm cylinder	Use original cylinder

^{(2)Working Dimension:}

 

	Model	LDB120	LDB200	LDB220	LDB200	LDB300	LDB350	LDB400	LDB450
	Total length (mm)	13000	15380	15380	18000	18000	20000	22000	24000
	Weight (kg)	3000	4000	4200	4900	5200	6000	6500	7000
B	Max dig depth (mm)	9000	11340	11370	13000	13000	15000	16500	18000
A	Max extensive Scope (mm)	12500	15100	15100	17500	17600	19600	21600	23600
C	Max dig height (mm)	11300	12510	12610	13720	13720	14920	16100	17300
D	Folding height (mm)	2900	2980	3040	3210	3210	3210	3400	3400
	Bucket volume (m3)	0.3	0.4	0.4	0.4	0.4	0.5	0.6	0.6
	Excavator Tonnage(ton)	10-16	20-22	22-25	20-25	30	35	40	45

 ^(3)Features:

^{1.Material :}

A.)All Q345B Steel for standard long reach boom.
B.)Heavy duty long reach and excavator tonnage above 40ton :The top and bottom use Q690D steel,Other use Q340B steel.


Q345B steel same as S355 steel in Europe.
Q690D steel same as S690QL steel in Europe.

2.Internal view(spaced by vertical and horizontal reinforcement plate at regular interval)
  

3.All steel plate are beveled by beveling machine before welding.

4.Welding:

  A.) Welded with mixed gas between argon and carbon dioxide. Argon content:80%.Carbon dioxide content:20%.
  B.) Welded by auto-welding machine .