Description

YFM Knuckle Boom Marine Cranes --- Galloping across the vast ocean, the embodiment of power and precision

Engineered specifically to conquer the most demanding marine environments, YFM Knuckle Boom Marine Cranes deliver unparalleled versatility, reliability, and safety for offshore operations. Whether you're loading/unloading cargo on supply vessels, maintaining offshore wind farms, or supporting subsea construction projects, our cranes maximize your productivity where it matters most.

knuckle boom marine cranes

Why Choose YFM Marine Cranes?

01/

Exceptional Maneuverability in Confined Spaces

Compact Design: Multi-jointed knuckle boom folds tightly to minimize deck space occupation.
360° Continuous Rotation: Full-circle slewing enables precise positioning around obstacles.
Obstacle-Crossing Capability: Easily lifts loads over ship railings, containers, or deck structures.

02/

Heavy-Lift Performance with Lightweight Structure

High Load Capacity: Lifting capacity up to 100+ tons (customizable).
Advanced Hydraulic System: Proportional control ensures smooth operation for delicate tasks (e.g., subsea equipment handling).
Superior Corrosion Resistance: Marine-grade steel and protective coatings compliant with ISO 12944 C5-M standard.

03/

Safety-Engineered for Maritime Demands

Stability Intelligence: Integrated Load Moment Indicator (LMI) and automatic stability control.
Fail-Safe Braking: Dual redundant hydraulic holding brakes + mechanical safety locks.
Operational Security: Remote diagnostics, emergency stop systems, and anti-slip platforms.

04/

All-Weather Adaptability

Extreme Temperature Range: Operates from -35°C to +55°C with optional heating/cooling packages.
IP66/67 Rated Components: Sealed against salt spray, dust, and high-pressure washdowns.

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Core Application Areas

knuckle boom marine cranes

✅ Cargo handling on Offshore Supply Vessels (OSV)

✅ Installation and maintenance of wind turbines

✅ Subsea equipment deployment/recovery

✅ Vessel-to-vessel / vessel-to-shore material transfer

✅ Naval and research vessel operations

Technical Highlights

Lifting Capacity ： 1t – 100t+

knuckle boom marine cranes

Maximum Working Radius： 5m – 30m+
Boom Configuration：2-4 Section Knuckle Boom
Control System：Proportional Hydraulics + PLC
Certifications：DNV-GL, ABS, LR, BV,CCS, RINA,RMRS, etc.

1. The following are the main technical parameters of selected models of the 2-section 22T knuckle boom marine cranes.

2. For detailed data on other types or specifications, please consult our sales team.

--- 22T knuckle boom marine cranes

Name		Data
SWL		22MT@4~10m,9MT@4~21.8m
Max. Working Radius		21.8 m
Min. Working Radius		3.5 m
Hoisting Speed (full load)		0~30m/min
Hoisting Speed (empty load)		0~60m/min
Hoisting Height		40m(15m/25m upper/down deck)
Slewing Speed		0~0.6rpm
Slewing Angle		360° no limit
Luffing Time		~100s
Sea State Conditions		2-3grade
Operation: List/Trim		5°/2°
Voyage: Roll/Pitch		40°/10°
Working environment temperature		-40 ℃ ~ +35 ℃
Relative air humidity		98% @+35 ℃
Motor	Power	~160 kw
	Source	AC400V/50Hz/3P
Class society		RS
Deadweight		~45T