Technical Specification/Grab CraDONGHAE MACHINERY & AVIATION Co., 

DHA Grab Crane Series 1. Working Radius 

<Alpha 15000> <Alpha 13000> <Alpha 12000> 

DHA Grab Crane Series 2. Specification  

Alpha152,752,021,609.822Hexagon 2 section& retr(1 pi-3034DoC0.4(opt

Alpha 13000

12.0

2,300/4.9   1,740/6.6   1,370/8.3

8.3

60

260

170

2 section extension   Hexagonal shape,   & retraction   (1 piece)

-34~80

30

400

Double

CR2

0.4

Alpha 12000

11.7

2,520/4.4   1,840/6.1   1,450/7.8

7.8

60

260

170

2 section extension   Hexagonal shape,   & retraction   (1 piece)

-34~80

30

400

Double

CR2

0.4

Unit

ton-m

kgf/m

m

ℓ/min

bar

ℓ

–

°

°/sec

°

–

–

㎥

Description

Max. lifting capacity

Load capacity

Max. side reach

Rated oil discharge

Rated pressure

Oil tank capacity

Boom shape

angle of inner boom  Raising/lowering

Rotation speed

Rotation angle

Rack gear type

Rotator

Grapple

 

Horizo

VerticallyDriveTetra5.Over 9.5 

 oil discharg

ALL TECHNICAL SPECIFICATION IS BASED ON STANDARD ITEM OF DONGHAE Ltd.  

IT IS SUBJECTED TO CHANGE FOR THE IMPROVEMENT OF THE QUALITY WITH

DHA Grab Crane Series 

Vertically hydraulic   Horizontally/   Driven type.   Tetragonal	4.6	Over 5 MT payload	ort relief valve, Regular
Vertically hydraulic   Horizontally/   driven type.   Tetragonal	4.6	Over 5 MT payload	Main relief valve, P
–	m	ton	–
Outrigger type	Outrigger span	Mounting chassis	Safety devices

 

 

 

DHA Grab Crane Series 3. Terminology Diagram 

No. 

DHA Grab Crane Series No. Descriptions 

10 Outrigger control valve 1 

11 Base 2 

12 Oil cooler 3 

Extensio13 

Outrigger 4 

Out14 

Rotary cylinder 5 

15 Column 6 

16 Inner boom cylinder 7 

Ma17 

Oil tank 8 

– 

Return filter 9 

DHA Grab Crane Series 4. Overall Sketch – <Alpha 12000> 

DHA Grab Crane Series 5. Main Components  

(1), Outrigger control lever  

Outrigger extensioOutrigger be

-. Extension, retraction, raising and lowering of all outrigger functions are operated simultaneously or sepOutrigger extension/Retraction  Outrigger beam raising/lowering  

DHA Grab Crane Series (2), Turntable  

Function – Rotation to the right, Rotation to the left, Stop  

(3), Inner boom  

Function – Raising, Lowering, Stop  

(4), Outer boom  

Function – Raising, Lowering, Stop  

(5), Raising/Lowering boom  

Function – Raising, lowering, Stop  

(6), Rotator  

Function – Rotation to the right, Rotation to the left, Stop  

(7), Grapple  

Function – Open, Close, Stop 

DHA Grab Crane Series (8), Main control lever  

Outer boom raisiOuter boom extension/retraction  

Inner bGrapple rotation  

Grapple open/close