• Product description:

    A knuckle boom crane appears similar to a standard craneexcept that the boom articulates at the 'knuckle' near the middle, letting it fold back like a finger. This provides a compact size for storage and manoeuvring.

    Knuckle boom cranes have become very common on offshore vessels as less of the deck space is blocked by the crane.

    The cranes come with different types of control systems, such as: stand up, control from the ground, seat control, or radio remote control. The radio remote systems now can start the crane as well as run the crane.

    The knuckle boom crane range is available from 0.5t to 150t lifting moment. Severe weather conditions and heavy seas introduce oscillating motions to suspend loads.

     Technical specification, we can design and supply based on your requirement:

     General Arrangement:


    OUCO certifications:

    Processing details at OUCO workshop:

    Packing before shipping:


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15T@20M Knuckle Boom Crane
SWL 3T@4M&15T@20M
MAX WORKING RADIUS 20m
MIN WORKING RADIUS 4m
HOISTING SPEED 0~15m/min
HOISTING HEIGHT 20m
SLEWING SPEED ~0.8r/min
SLEWING ANGLE 360°
LUFFING TIME ~ 120s
KNUCKLE BOOM TIME ~ 120s
EXTENSION TIME ~150s
WORKING CONDITION
TRIM ≤2°
HEEL ≤5°
ELEC-MOTOR POWER Y250M-4-H
POWER 55kw
Speed 1780r/min
POWER RESOURCE AC440V/60HZ
PROTECT CLASS IP56
INSUKATE CLASS F
WORKING TYPE S1
Knuckle Boom Crane Hydraulic Driven Cylinder