• Jiangsu OUCO Heavy Industry and Technology Co.,Ltd
    Nice crane, truly quality products, very helpful.
  • Jiangsu OUCO Heavy Industry and Technology Co.,Ltd
    Richard Rawlings
    Very good service! When order from Natalie l have no worry. She is very helpful and always has a solution. Thank you. Looking forward to business with you again, Natalie.
  • Jiangsu OUCO Heavy Industry and Technology Co.,Ltd
    Sam onjgs
    I am continuously looking online for Multifunctional cranes that can assist me. Thanks!
Contact Person : Natalie Liu
Phone Number : 86-18800548228
WhatsApp : +8618800548228

Custom Design Compact Knuckle Boom Crane With one Year Warranty

Place of Origin China
Brand Name OUCO
Certification CCS/BV/ABS, ABS/CCS/ISO9001/BV
Model Number OUCO-1T30M-KB-00
Minimum Order Quantity 1
Price negotiation
Packaging Details Shipping Container/Wood Crate/nude
Delivery Time 60 working days
Payment Terms L/C, T/T, Western Union
Supply Ability 100sets per year

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Product Details
Product Name Custom Design Compact Knuckle Boom Crane With One Year Warranty Lead Time 60 Days
Max. Lifting Height 28.5m Rated Lifting Moment 40tm
Warranty 1 Year Span 4.2-30m
Type Knuckle Boom Voltage 380v/50HZ(Customer Design )
After-sales Service Provided Field Installation, Commissioning And Training, Field Maintenance And Repair Service, Online Support
High Light

marine knuckle boom crane


knuckle jib crane

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Product Description

Custom Design Compact Knuckle Boom Crane With one Year Warranty

The KB &KBT series crane is designed as an electro-hydraulic driven stiff box type boom/jib crane, with integrated electro-hydraulic power unit, delivered as a complete unit ready for installation to vessels. The crane is equipped with hydraulic operated winch, hydraulic operated luffing and folding,hydraulic operated slewing system.
The crane is installed with a rolled steel pedestal for bolting or welding to deck with a height of 1200mm and pedestal diameter is depend on the SWL of the crane. The standard KB crane will supply with an operator platform. Operator cabin is optional.
The crane and all it associated components / equipment shall be designed in accordance to any leading classification societies which is upon request. The crane shall be tested and adjusted ready for installation by welding or bolting to vessel deck. Power connection shall be provided for electrical supply through integrated electrical slip rings.


End User Advantages 

1. Compact design with minimum height, width and length
2. Small footprint, for easy installation onboard
3. Delivered as one complete unit ready for installation to vessels
4. Easy access for periodic maintenance, service and repair, support by with clear labelling and detailed manuals



Each crane is supplied with a pedestal which should be welded onto the ship’s steel structure or counter foundation. The pedestal consists of a steel pipe and a flange on which the crane housing with its slewing ring is placed.
The pedestal has been provided with a man hole and hatch cover for easy access of the electric connections. The diameter of the pedestal will be determined for each individual project since this diameter depends on the maximum workload and maximum outreach of the crane. As a standard the pedestal is delivered with a total height of 1000 mm.
Upon request alternative pedestal dimensions are possible against additional cost.

Custom Design Compact Knuckle Boom Crane With one Year Warranty 0


Slewing ring

The KB cranes are all delivered with a high quality slewing ring. This slewing ring is mounted in between the crane housing and pedestal by means of high strength structural bolts and nuts which are tightened to a certain torque. The exact torque will be specified by OUCO and can be found on the general arrangement drawing of the crane.

Custom Design Compact Knuckle Boom Crane With one Year Warranty 1


Crane housing
The crane housing or tower forms the main steel structure of the crane. It has been built up from special grade steel plates to a stiff rigid superstructure, incorporating the brackets to support the crane’s jib and hydraulic cylinder(s).
The bearings to support the crane’s jib are so-called self lubricating plain bushings. The bearings for the hydraulic cylinders are of the spherical type
The crane housing also contains the hydraulic oil tank accessible by hatches. It also contains all
necessary provisions for fastening of the slewing drives and hydraulic components. The bottom of the
crane housing consists of a flange to which the slewing ring is connected.

Custom Design Compact Knuckle Boom Crane With one Year Warranty 2



Q:1. What's the information should I provide when inquiry?
A: More details or drawings, better.
A: Lift capacity B: span C: lift height D: power sourceor other specials you give us will be more appreciated.
Q:2. How many operating methods for my selection?
A: Standard operating methods:
A: pendent controller with push buttons .B: remote control with push buttons
C: cabin(space capsule seat) control with joystick. Choose any type as you like.
Q:3. Can this type work in hazardous environment?
A: Sure! We can customize for you, acid proof or explosion proof, no problem for that.
Q:4. Can you provide the serious lifting tools?
A: Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, etc as your requirement!
Q:5. How can we install the crane?
A: Our senior engineer can be your side to do the installation guide service and training.
Q:6. Safety device
A: Overload limiter, Limit Switch (lifting and traveling), Interlock protection device.