1–20T Hydraulic Slewing Crane for Ship Deck | Straight Boom Marine Crane with 360° Rotation
Product Details:
| Place of Origin: | China |
| Brand Name: | Zhongyuan Marine Equipment |
| Certification: | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, Makers Test Certificate, Etc. |
| Model Number: | Standard or Customized |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1 Unit |
|---|---|
| Price: | Based on quotation |
| Packaging Details: | Export standard pallet or customized packing |
| Delivery Time: | Based on project requirements |
| Payment Terms: | TT, L/C |
| Supply Ability: | Customized production based on project requirements |
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Detail Information |
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| Boom Type: | Straight Boom | Working Temperature: | -40 To 50℃ Etc. |
|---|---|---|---|
| Slewing System:: | Hydraulic Slewing With 360° Rotation | Surface Treatment:: | Sandblasting Sa2.5 + Epoxy Coating |
| Installation Type:: | Deck Mounted / Pedestal Mounted By Flange Or Welding | Control Type:: | Local Manual / Remote Control (Wire Or Wireless)/ Cabin Control |
| Power Source:: | Electric Motor + Hydraulic System | Safety Devices:: | Overload Protection / Limit Switch / Emergency Stop |
| Material:: | Marine Grade Steel | Operating Environment:: | Offshore / Marine / Port |
| Customization:: | Available (SWL, Radius, Control System, Painting, Dangerous Zone, Certification) | ||
| Highlight: | 5t Hydraulic Slewing Crane,12.5m Hydraulic Slewing Crane |
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Product Description
1–20T Hydraulic Slewing Crane for Ship Deck | Straight Boom Marine Crane with 360° Rotation
Product Overview
A hydraulic slewing crane is a type of marine lifting equipment designed for cargo handling and material transfer on ship decks and offshore platforms.
The 1–20T straight boom hydraulic slewing crane provides stable lifting capacity, smooth operation, and full 360° rotation, ensuring efficient cargo handling in marine environments. It is driven by a hydraulic system with precise control of lifting, luffing, and slewing movements.
Compared with knuckle boom cranes, the straight boom design offers a simpler structure, higher reliability, and lower maintenance cost, making it a cost-effective solution for vessels with sufficient deck space and standard lifting requirements.
Quick Specifications
• Safe Working Load (SWL): 1–20 Ton
• Working Radius: 2–15 m
• Slewing Range: 0–360°
• Hoisting Speed: 10–15 m/min
• Luffing Time: 40–80 s
• Drive Type: Hydraulic System
• Motor Power: 7.5–132 kW
• Working Temperature: -40°C to +50°C
• Surface Treatment: Sa2.5 Sandblasting + Epoxy Coating
Main Technical Parameters
| SWL (Ton) | Working Radius (m) | Slewing Speed (rpm) | Hoisting Speed (m/min) | Luffing Time (Second) | Motor Power (kW) | Pedestal Dia. (Φ mm) |
| 1 | 2-10 | 0.8-1 | 10-15 | 40-50 | 7.5 | 700 |
| 1.5 | 2-10 | 0.8-1 | 10-15 | 40-50 | 7.5-11 | 800 |
| 2 | 2-12 | 0.8-1 | 10-15 | 40-50 | 15-22 | 950 |
| 3 | 2-12 | 0.8-1 | 10-15 | 40-50 | 22-30 | 1050 |
| 5 | 2-12 | 0.8-1 | 10-15 | 50-60 | 22-37 | 1100 |
| 10 | 2-12 | 0.6-0.9 | 10-15 | 60-70 | 45 | 1700 |
| 15 | 3-15 | 0.6-0.8 | 10-15 | 65-75 | 55 | 1800 |
| 20 | 3-15 | 0.6-0.8 | 10-15 | 70-80 | 132 | 1900 |
Crane Selection Guide
Step 1 – Select Lifting Capacity (SWL)
• 1–5T → light-duty lifting (fishing vessels / small ships)
• 5–10T → medium-duty lifting and deck handling
• 10–20T → heavy-duty cargo handling and offshore operation
Step 2 – Confirm Working Radius
• Short radius (2–6 m) → higher lifting efficiency
• Long radius (6–15 m) → wider deck coverage and flexible operation
Step 3 – Select Crane Type
• Straight boom crane → simple structure, cost-effective, easy maintenance
• Knuckle boom crane → flexible operation, suitable for compact deck layout
Step 4 – Hydraulic System & Power
• Motor power should be selected based on SWL and working frequency
• Continuous operation → higher power range recommended
Engineering Note:
The final crane configuration should be selected based on lifting requirements, installation space, duty cycle, and classification society rules.
Customized design is available for offshore and special applications.
Technical Performance & Explanation
• 1–20T lifting capacity → suitable for different cargo handling requirements
• 360° slewing rotation → ensures full deck coverage and flexible operation
• -40°C to +50°C working temperature → suitable for harsh marine environments
• Sa2.5 sandblasting + epoxy coating → improves corrosion resistance and service life
Structure & Components
Hydraulic power unit | Slewing mechanism | Straight boom assembly | Hydraulic cylinder system | Winch & wire rope system | Control system | Base & pedestal
Custom Configuration & Inquiry Guide
✔ Step 1 – Lifting Capacity (SWL): 1–5T → light-duty applications | 5–10T → medium-duty cargo handling | 10–20T → heavy-duty offshore operation
✔ Step 2 – Working Radius: 2–6 m → higher lifting efficiency | 6–15 m → wider working range
✔ Step 3 – Installation Type: Deck mounted | Pedestal mounted
✔ Step 4 – Control System: Manual control | Remote control | Cabin control
✔ Step 5 – Power & Hydraulic System: Electric motor + hydraulic drive | Open loop / Closed loop system
✔ Step 6 – Optional Features: Anti-corrosion coating upgrade | Explosion-proof design (optional) | Low temperature design (-40°C) | Custom painting
✔ Step 7 – Working Environment: Ship deck | Offshore platform | Port / harbor
Send us the above information to receive technical drawings, configuration, and quotation.
How It Works
The crane operates through a hydraulic system that controls lifting, luffing, and slewing movements.
Hydraulic cylinders provide stable lifting force, while the slewing mechanism enables smooth 360° rotation, ensuring efficient and precise cargo handling.
Applications
Ship deck cargo handling | Offshore oil and gas platforms | Fishing vessels & aquaculture | Marine engineering vessels | Port and harbor operations
Certifications & Advantages
Certifications
CCS / NK / BV / ABS / DNV / LR / KR / RINA / IRS / RS / CRS
Advantages
Full 360° rotation for flexible operation | Stable hydraulic lifting system | Cost-effective straight boom design | Reliable performance in harsh marine environments | Easy maintenance & long service life
Drawing & Photos
• General arrangement drawing
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• Product photos
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• Installation layout drawing
Ordering Information
• MOQ: 1 Unit
• Delivery Time: Based on project
• Payment: T/T, L/C
• Customization: Available
FAQ
Q1: How to choose the correct crane capacity?
A: Based on lifting weight, working radius, and operation frequency.
Q2: When should I choose a straight boom crane?
A: When the vessel has sufficient deck space and standard lifting requirements.
Q3: What is the difference between straight boom and knuckle boom crane?
A: Straight boom cranes are simpler and more cost-effective, while knuckle boom cranes provide greater flexibility.
Q4: Can the crane be customized?
A: Yes, lifting capacity, working radius, and hydraulic system can be customized based on project requirements.




