What is a cargo deck marine crane and what are its main applications?

A cargo deck marine crane is a versatile lifting machine permanently installed on the deck of a cargo vessel, designed to handle a wide variety of cargo during loading and unloading operations, and its main applications include lifting general cargo such as palletized goods, steel coils, timber, pipes, and heavy machinery, transferring supplies and equipment between vessels or between vessel and shore, handling containers on smaller feeder vessels or general cargo ships that lack dedicated container gantry cranes, loading and unloading break-bulk cargo in ports without shore-based lifting infrastructure, and assisting with vessel maintenance and provisioning, making it an essential piece of equipment for general cargo ships, bulk carriers, multipurpose vessels, and offshore supply vessels that require flexible, self-sufficient cargo handling capability.

What are the main types of cargo deck marine cranes available?

The main types of cargo deck marine cranes available include knuckle boom cranes featuring articulated arms that fold for compact stowage and provide excellent maneuverability around deck obstacles, telescopic boom cranes with extendable straight booms that offer high lifting capacity at varying radii and are ideal for open deck cargo handling, stiff boom pedestal cranes with rigid fixed-length booms that provide maximum structural strength and lifting capacity at a specific radius for heavy-duty applications, luffing cranes that can raise and lower the boom angle to adjust reach and stowage position, and gantry-type deck cranes that travel along rails for multi-hatch coverage, each type having its own strengths depending on the vessel type, cargo characteristics, available deck space, and operational requirements.

What are the key safety features required for a cargo deck marine crane?

The key safety features required for a cargo deck marine crane include an overload protection system or Load Moment Indicator (LMI) that continuously monitors load weight, boom angle, and radius to prevent lifting beyond rated capacity, an anti-two-block system that prevents the hook block from contacting the boom tip or sheave assembly, emergency stop buttons for immediate system shutdown in critical situations, a deadman's control system that returns controls to neutral if the operator releases the handle, hydraulic holding valves that lock the boom and winch in position in case of hydraulic pressure loss, limit switches that stop hoist and boom motions at safe limits, wind speed indicators that alert operators to unsafe weather conditions, audible and visual alarms to warn personnel during crane operation, and fail-safe brakes on all hoist and boom motions, all working together to ensure safe and reliable cargo handling operations in the demanding deck environment.

Marine Deck Cargo Crane

Cargo Deck Marine Crane

Authentication mark:

For customized products, please fill out information and submit the form.

Capacity:

20t, 30t, 40t, 50t (customizable)

Lifting Height:

(customizable)

Voltage/Hertz:

(customizable)

Working Class:

Span:

25~40m (customizable)

Apply: The crane is mainly used on bulk cargo ships or barges, and is a type of cargo transportation equipment.

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Introduction

Technical Data

Application

Features

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PRODUCT INTRODUCTION

Designed for rugged marine environments, our Cargo Deck Marine Crane delivers reliable and efficient lifting performance for cargo handling, supply transfer, and equipment maintenance aboard vessels. Engineered with high-strength steel and advanced anti-corrosion coating, it ensures long-term durability under harsh offshore conditions, including saltwater exposure, extreme temperatures, and heavy dynamic loads.

TECHNICAL DATA

Parameter	Specification	Parameter	Specification
Rated Lifting Capacity	1 ~ 50 tons (customizable)	Max. Working Radius	5 ~ 30 meters
Min. Working Radius	2.5 ~ 4 meters	Max. Lifting Height	10 ~ 120 meters (customizable)
Slewing Angle	360° continuous rotation or 270° (customizable)	Lifting Speed	0 ~ 10 m/min
Derricking Speed	0 ~ 3 m/min	Slewing Speed	0 ~ 0.8 r/min
Power Supply	(customizable)	Control Method	Cab control / Remote radio control
Working Class	A5 ~ A7	Application	Cargo handling, supply transfer, deck operations on vessels,
Main Electrical Parts	Siemens, Schneider, or other world-renowned brands	Material	High-strength structural steel with anti-corrosion marine paint
Protection Grade	IP54 ~ IP56	Certification	CE, ISO, BV, CCS, ABS
Working Temperature	(customizable)	Warranty	12 months

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Telescopic Boom Ship Crane

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Hatch Cover Gantry Crane

Apply: Marine hatch cover crane is a kind of special gantry crane used on ship deck for moving or lifting the hatch cover.

APPLICATION

1. Bulk Carrier Operations Hatch Cover Removal & Replacement: Lifting and removing large, heavy steel hatch covers to expose cargo holds for loading unloading of bulk commodities such as coal, iron ore, grain, and aggregates. Hatch Cover Stacking: Stowing removed hatch covers on designated deck areas or stacking them atop adjacent covers to maximize deck space during cargo operations. Multi‑Hold Operations: Traveling along deck rails to service multiple cargo holds sequentially, enabling continuous loading unloading without crane repositioning delays.

2. General Cargo & Breakbulk Vessels Breakbulk Access: Removing hatch covers to allow crane access for loading unloading project cargo, machinery, steel products, timber, and palletized goods. Partial Opening: Precisely positioning hatch covers to partially expose holds while maintaining weather protection for remaining cargo sections. Deck Storage Management: Stacking and rearranging hatch covers on deck to accommodate irregularly shaped cargo stowage.

3. Container Vessels Hatch Cover Handling for Below‑Deck Stowage: Lifting and removing hatch covers to access container cell guides below deck for loading unloading containers. Twin‑Hatch Vessels: Handling large, segmented hatch covers on vessels with wide beam configurations, often using dual hoists for balanced lifting. Rapid Turnaround: Enabling fast hatch cover removal and replacement to minimize port stay duration and maximize vessel productivity.

FEATURES

Enhanced Operational Efficiency: Rapid hatch cover removal and replacement significantly reduces cargo hold access time, accelerating vessel turnaround and berth productivity.

Improved Crew Safety: Eliminates the need for manual hatch cover handling or rigging by ship’s crew, reducing the risk of injuries associated with heavy lifting.

Precision Positioning: Gantry structure provides stable, controlled lifting with minimal swing, allowing precise alignment of hatch covers onto deck stowage or adjacent covers.

Space Optimization: Self‑propelled, rail‑mounted design allows the crane to service multiple holds while maintaining a compact footprint; collapsible versions minimize deck obstruction when stowed.