What is the warranty period for this product?

We provide a 1-year warranty for this marine lifting crane.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Can this crane be customized?

Yes, we offer full customization, minor customization, and customization from samples or designs.

Marine Lifting Crane with Safety Overload System Knuckle Boom Crane Under 5 Ton

Name: Marine Lifting Crane with Safety Overload System Knuckle Boom Crane Under 5 Ton
Brand: Comande (Shandong) Machinery Co., Ltd.
SKU: 2222380925

Shandong, ChinaComande (Shandong) Machinery Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

Operation Form

Ground Operation

Warranty

1 Year

Certification

CE, ISO9001

Max Lifting Capacity

4 Ton

Lifting Moment

21m

Span

4480-9680

Weight (Kg)

1250 Kg

Max Lifting Moment

8 Ton.M

Overall Size

2.6X1.7X2.6m

Capacity

4 Ton Marine Crane

Recommend Power

14kw

Hydraulic System Flow

25 L/Min

Hydraulic System Pressure

26 MPa

Condition

New

Product Name

Knuckle Boom Marine Deck Crane

Application

Ports/Ship/Deck/Floating Dock

Rotation Angle

360° Continuous

MOQ

Transport Package

Bubble Film Packaging

Specification

2500*2500*2500mm

Trademark

COMANDE

Origin

China

HS Code

8426990000

Production Capacity

1000sets/Year

Key features

Safety Overload System: Equipped with an advanced safety overload system to ensure secure lifting operations.

360 Continuous Rotation: Features 360-degree continuous slewing angle for maximum operational flexibility.

CE and ISO9001 Certified: Meets international safety and quality standards with CE and ISO9001 certifications.

Versatile Marine Application: Ideal for ports, ships, decks, and floating docks for cargo and rescue operations.

Flexible Customization: Supports full customization, minor adjustments, and design-based modifications.

Remote Control Operation: Offers convenient control via remote control or cabin for efficient management.

Robust Hydraulic System: High-pressure hydraulic system ensures stable performance and durability.

1-Year Warranty Coverage: Comprehensive 1-year warranty provided for peace of mind and reliability.

Company profile

Self-brandedFull CustomizationR&D CapabilitiesStandardized quality control

Comande (Shandong) Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D, ODM, OEM, and broad customization capabilities. It reports a team comprising over 30% of staff and university collaboration, plus new-product development during the past year. Quality assurance is supported by ISO 9001 adherence and standardized finished-product inspection instructions. However, the supplier does not provide 3D software design, SDKs, overseas agents, overseas warehouses, overseas showrooms, or offline trade-show participation. Operational controls have notable gaps: no valid manufacturing-capacity contract with related subcontractors, no written outsourcing procedure, no ongoing batch quantity reconciliation, and no written corrective-action or complaint-handling procedures. Financial evidence is insufficient for a credibility assessment.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier. Its stated R&D team exceeds 30% of staff and collaborates with multiple universities through industry-academia-research partnerships, supporting the classification as technically oriented.

CertificationsThe company states that it strictly adheres to ISO 9001 quality management systems. This supports a quality-management certification or compliance claim, although the slices do not provide a certificate number, issuing body, or validity period.

After-Sales capabilityThe supplier reports quality assurance, but it has no written procedures or records for corrective and preventive actions or effective customer-complaint handling. This is explicit evidence of a weakness in documented after-sales and issue-resolution controls.

R&D capabilityThe supplier reports R&D capability, new products during the past year, ODM services, and university collaboration, indicating product-development capability. However, it does not provide an SDK and does not offer 3D software design, so its innovation capability is stronger in physical-product development than in software-related support.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its ODM capability further supports the ability to develop or adapt products to customer requirements.

Client casesThe supplier states that it provides OEM services for well-known brands, which is explicit evidence of at least one type of customer case. The slices do not identify the brands, products, project scope, or verifiable case details, so the breadth and strength of its customer portfolio cannot be assessed.

Product Q&A

Q:What is a marine crane, and what are its primary applications?

A marine crane is a lifting device installed on ships, mainly used for cargo loading/unloading, fisheries handling, vessel maintenance, and maritime rescue operations.

Q:What key parameters should be considered when selecting a marine crane?

The key parameters to consider include rated lifting capacity, maximum working radius, lifting height, slewing angle, working speed, and the type of vessel and sea conditions it is designed to handle.

Q:What are some common types of marine cranes?

Common types of marine cranes include telescopic boom cranes, knuckle boom cranes, hydraulic cranes, and electric cranes.

Q:How do you maintain your marine crane daily?

Daily maintenance of marine cranes involves regularly inspecting and lubricating components, tightening fasteners, checking the condition of wire ropes, cleaning the hydraulic system, and changing hydraulic oil regularly.

Q:What international certifications are required for marine cranes?

Marine cranes often require international certifications such as CE, MED, CCS, and ABS to ensure compliance with relevant safety and quality standards.