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1.Hydraulic knuckle boom marine widely applicates to variety of hoist materials, 2.high efficiency,low cost, 3.good sale sevice - details see: https://www.machineto.com/4-4-tons-hydraulic-knuckle-boom-marine-crane-10101792

1. Hydraulic Slewing by steel rope deck Crane for ship/vessel, the safety load is from 5 -50 ton.
2. Marine Hydraulic Steel rope slewing deck Crane for ship/vessel, the safety load is from 5 ton to 40 ton, working radius is from 10 m to 30 m, the key hydraulic components and parts are imported from abroad

Basic features:
Simple mounting by welding of the pedestal to deck and connecting the power cable.
No electric slipring
Fail-safe brakes on all movements
Welded box boon(jib) for low maintenance
Maintenance-free jib-and cylinder bearings.

Standard equipment:
Shot blasted to SA2, 5 plus 2 layers of marine paint
Pedestal height between 1.1 and 1.5m
Class certificate on the pedestal
Control platform on the crane(left or right-hand side)
Full documentation/owner's manual
Working radius and lifting capacity(SWL ACCORDING TO CUSTOMER'S REQUEST

Technical Parameters:
Please kindly check below tables
As a professional manufacturer of marine crane, truck mounted crane, we are always specialised in developing and researching heavy equipment, especially on the quality and after-sale service, unless, we also provide you with reparing technology, clear up your worry without anyone can repair when it cannot work.

Knuckle Boom Marine Crane ZISHI-TB004
SWL	Max Weight(T)	4.4	3.3	2.4	1.7	1.3	1
	Max Length(M)	13.25	16.6	19.95	23.3	26.65	30
Sea state	0/harbour
Max Heel/trim	5°/2°
SWL	Max Weight(T)	4.4	3.3	2.4	1.7	1.3	1
	Max Length(M)	13.25	16.6	19.95	23.3	26.65	30
Sea state	2-3
Beaufort No.	4
Significant wave height(m)	1.6
Max Heel/trim	3°/6°
Model No.	ZISHI-TB004	Unit
Hoisting speed(0-1t)	0-50	m/min
Hook Travel	55	m
Working Radius	1.5-30	m
Luffing angle	0-79°	degree
Slew angle	360 unlimited angle	degree
Design temperature	40°C/-10°C	degree
Power Consumption	45	kw
Design according	RINA/API-2C

Even if you did not buy from us, we also can serve for you.