What Is A Single-arm Slewing Davit Crane?

May 29, 2025

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Single-arm Davit Crane with Slewing Mechanism

--- A high-precision rotating lifting solution specially designed for modern ships, offshore platforms, and ports.
 

The innovative single-arm + full-slewing structure makes the single-arm slewing davit crane realize the safe and rapid deployment of lifeboats/rafts/RHIBs, materials, and equipment. It meets strict international regulations such as SOLAS and IMO and is essential for improving operational efficiency and safety.

 

 YFM Davit Crane complies with MSC.47(66) or "SOLAS 74", as well as MSC.48(66) and "LSA CODE".

 

Disruptive Advantages of Single-arm Slewing Davit Crane

 

Full-Rotation Precision Control

Single Arm Raft Davit Crane

- YFM single-arm slewing davit crane supports 360° free rotation (270° limit optional), with hydraulic/electric dual-drive modes, 40% torque improvement, and lifting positioning error <5cm. - Single-arm articulated design reduces blind spots, perfectly adapting to narrow deck spaces, ship sides, and platform edges.

 

✅ Heavy-duty, Durable, Maintenance-Free

- YFM single-arm slewing davit cranes Load coverage: 500–5000kg (customizable).

- The main body of YFM single-arm slewing davit cranes is made of high-strength alloy steel treated with FNV fatigue resistance, extending the service life by 50%.

- Corrosion protection grade C6-M (ISO 12944), stable operation in extreme environments from -30°C to +50°C, with a maintenance interval of up to 18 months.

 

✅ Intelligent Safety Ecosystem

- Triple protection: redundant braking + dynamic overload limitation + emergency manual release. The real-time monitoring system automatically locks abnormal sway.

- Optional anti-sway system significantly improves lifting stability in wind and waves.

 

✅ Minimalist Integrated Deployment

- Modular pre-installed structure shortens shipyard installation cycle by 60%, YFM single-arm slewing davit crane compatible with various ship types (cargo ships/cruise ships/military vessels) and fixed platforms.

- Provides full CE/DNV/ABS/LR/CCS certifications for unobstructed operations in global waters.

 

single arm raft davit crane

single arm raft davit crane

single arm raft davit crane

 

YFM can customize Davit Cranes of different specifications and types according to customers' operational requirements. For more specifications, please consult our sales personnel. The specification parameters in the following table are for reference only:

 

Particulars Model YFM-DC21 YFM-DC21A YFM-DC23 YFM-DC25 YFM-DC30 YFM-DC35
S.W.L (Kn) 21 21 23 25 30 35
Hoisting Load (Kn) 14 21 14 25 30 21
Slewing Load (Kn) 14 21 14 25 30 21
Slewing Radius (m) 3.8~7.5m 4~5m 5~7m 4~5m 4~5.8m 4~4.5m
Total weight (kg) ~2800 ~2800 ~3200 ~3200 ~3300 ~3350
Suitable Boat For Rescue Boat&Life Raft&Crane

single arm raft davit crane

single arm raft davit crane

Application Scenarios

 

 

single arm raft davit crane

 Emergency Rescue Cranes

-- YFM single-arm slewing davit crane release lifeboats/rafts within 3 minutes, certified under IMO MSC.402(96).

 

 Material Hoisting Cranes

-- Equipment resupply for offshore platforms, container transportation, and deployment of deep-sea exploration instruments.

 

 Special Operations Cranes

-- Weapon hoisting for military vessels, deployment/retrieval of detection equipment for research ships, and port engineering support.

 

 

 

 

 

Why do Global Customers Choose YFM Marine Cranes?

 

🔥 Deep Customization Capability

- Customizable load capacity, radius, anti-corrosion measures, and control methods as needed

- Adaptable to explosion-proof requirements for LNG carriers and low-temperature kits for polar research vessels

 

🔥 Full Lifecycle Services

- 48-hour global emergency response

- 5-year extended warranty + lifelong technical support

- VR remote operation and maintenance guidance

 

🔥 High quality and good price

 

🔥 Internationally recognized classification societies are optional.

Classification society

 

 

 

 

Contact Us Now!

 

Whether you need a standard model or a customized design Marine Davit Crane, our engineering team will provide the optimal solution. We offer one-stop services, including design, production, installation, training, and lifelong technical support.

Company Name: Ifima Technology (Shanghai) Co., Ltd

Email:anne@yfm-crane.com

| Phone:+86 15818704927

| Website:www.yfm-crane.com

Single-arm Slewing Davit Crane

One-stop manufacturer of Single-arm Boat/raft Davit Cranes in China

YFM will calculate the optimized configuration for you: compared with traditional double-arm Davit Cranes, it saves 35% of deck space and reduces operation and maintenance costs by 28%!