WZ-4 Dredger is a grab type excavator, mainly used on port channel etc. dredging operation, nominal grab volume 4m3, had manufactured 2 sets totally, used in Macao and Ningbo separately, user had good reaction.
WZ-4 Dredger is fitted with 40t lifting hook.
|
Technical Spec. of WZ-4 Dredger |
|
Normal grab volume |
4m3 |
Max. instantaneous lifting force dredging |
338kN |
|
Boom length |
18m |
Max. lifting speed of grab |
60m/min |
|
Normal boom angle |
50° |
Max. lowering speed of grab |
80m/min |
|
Lifting height of grab (50 degree) |
8m |
Allowed lifting capacity
(70 degree) |
40t |
|
Working radius of grab(50 degree) |
14.3m |
Luffing speed |
4-7m/min |
|
Max. digging depth underwater |
30m |
Diesel engine power |
720HP |
|
Rated lifting force dredging |
225kN |
Rated speed of engine |
1500r/min |
Machinery
