What Is a Knuckle Boom Crane and Where Is It Used?
89Knuckle Boom Crane
View detailsSearch the whole station Marine cranes PRODUCTS
1.Q:What is your minimum order quantity(MOQ)?
A:Usually 1 unit is acceptable.Prototype orders or small trial orders are also welcome.
2.Q:Can you provide classification society certificates such as ABS,DNV,LR,CCS,etc.?
A:Yes.We can design,test,and issue certificates according to the class society you require(ABS,DNV,LR,CCS,BV,KR,etc.).The certificate cost depends on the specific society and project.
3.Q:What is the lead time?
A:Standard models typically 8–12 weeks.Customized orders(special outreach,corrosion protection level,heave compensation,etc.)may require longer lead time.
4.Q:Do you provide installation and commissioning services?How does it work for overseas customers?
A:Yes.We can send engineers to your port or shipyard for on-site installation and commissioning guidance.Travel and labor costs are billed per day or included in the contract.Remote video guidance is also available.
5.Q:What is the warranty period and what does it cover?
A:12 months for the complete crane(from delivery or commissioning completion,whichever comes first).Coverage includes design,material,and manufacturing defects.Wear parts(wire ropes,seals,filters,etc.)are not covered.
6.Q:Can you guarantee long-term availability of spare parts?
A:Yes.We maintain spare parts supply for at least 10 years for all crane models.Common parts can be shipped immediately from our regional warehouses.
7.Q:What payment terms do you accept?
A:Typically T/T.For first-time cooperation,we suggest 30%deposit and 70%balance before shipment or against B/L.DDP is negotiable for certain regions.
8.Q:Is the crane suitable for extremely cold or hot sea conditions?
A:Yes.We offer wide-temperature configurations with operating range-20°C to+50°C(optional-40°C to+60°C for polar/tropical versions).Heating and cooling for hydraulic oil and electrical components are available.
9.Q:What are the maximum lifting moment and outreach combinations?
A:Our standard range covers 5 tm to 5000 tm,with outreach from 5 m up to 50+m.We can provide a customized selection table based on your vessel type,cargo weight,and working radius.
10.Q:Can you provide references or previous vessel owner case studies?
A:Yes.We have many delivery records including bulk carriers,tankers,workboats,wind farm installation vessels,etc.Upon signing an NDA,we can share a partial customer list and project summaries.
11.Q:Is the control system remote-ready?Is anti-sway available?
A:Three control modes are available:cabin,wired remote,and wireless remote.Mechanical/hydraulic anti-sway is standard.Electronic active anti-sway or heave compensation modules are optional for high-end versions.
12.Q:How do you provide technical support in case of failure?
A:We offer 24/7 online support(WeChat,WhatsApp,email,phone).For on-site service,engineers can be dispatched within 72 hours to major port cities worldwide.



Compared to traditional elevated work equipment such as scaffolding and ladders, truck-mounted aerial work platforms offer numerous advantages: High Mobility: Integrated with a truck chassis, ...
View details