3.5T10M Knuckle Telescopic Boom Ship Deck Marine Crane
Engineered to meet the diverse demands of modern marine operations, the OUCO 3.5T10M Knuckle Boom Telescopic Marine Crane delivers power, precision, and efficiency in a compact design. Certified by the China Classification Society (CCS), this crane combines the flexibility of a knuckle boom with the extended reach of a telescopic boom—making it ideal for vessels with limited deck space but requiring wide operational coverage.
Unlike conventional fixed boom marine cranes, this model features a foldable knuckle boom design, allowing it to operate in confined areas and retract neatly when not in use—maximizing valuable deck space. Its maximum working radius of 10 meters and minimum radius of 2.2 meters enable both near-deck operations and extended offshore handling, providing unmatched adaptability for lifting supplies, equipment, or cargo on supply vessels, fishing boats, and research ships.
Powered by a high-efficiency hydraulic system, the crane delivers a hoisting speed of up to 15 m/min and a hoisting height of 20 meters, ensuring smooth, fast, and safe lifting operations. The 360° continuous slewing capability and a slewing speed of approximately 0.6 r/min allow for precise load positioning even in dynamic sea conditions up to Sea State Grade 4. Its luffing time of about 50 seconds further supports responsive operation and control during offshore or port activities.
Constructed from high-strength marine-grade steel, the OUCO 3.5T10M crane offers superior corrosion resistance and long-term durability. Every surface is protected with multi-layer marine coating, ensuring reliability in harsh saltwater environments. Premium hydraulic components and electrical systems from trusted international brands guarantee consistent performance and easy maintenance.
OUCO supports a wide range of customization options, including different lifting capacities, control systems (manual, remote, or PLC-based), and finishes tailored to your vessel’s requirements.
Combining space-saving design, robust construction, and certified safety, this Knuckle Boom Telescopic Marine Crane is a smart investment for operators seeking a balance of versatility, efficiency, and longevity in demanding marine applications.
Parameters
| No. | Parameter Category | Specification |
| 1 | SWL | SEE LOAD CHART |
| 2 | MAX. WORKING RADIUS | 10m |
| 3 | MIN. WORKING RADIUS | 2.2m |
| 4 | HOISTING SPEED | ～15m/min |
| 5 | HOISTING HEIGHT | 20m |
| 6 | SLEWING SPEED | ～0.6r/min |
| 7 | SLEWING ANGLE | 360° |
| 8 | FIRST LUFFING TIME | ～50S |
| 9 | SECOND LUFFING TIME | ～50S |
| 10 | WORKING CONDITION - TRIM | ≤2° |
| 10 | WORKING CONDITION - HEEL | ≤5° |
| 11 | WIND SPEED - WORKING CONDITION | 20m/s |
| 11 | WIND SPEED - PARKING CONDITION | 55m/s |
| 12 | ELEC. MOTOR - Model | Y225S - 4 - H |
| 12 | ELEC. MOTOR - POWER | 37KW |
| 12 | ELEC. MOTOR - SPEED | 1780r/min |
| 12 | ELEC. MOTOR - POWER RESOURCE | AC480V/60HZ/3P |
| 12 | ELEC. MOTOR - PROTECT CLASS | F |
| 12 | ELEC. MOTOR - WORKING TYPE | S1 |
| 13 | DESIGN TEMP. | -10°～+40° |
| 13 | Max. Capsizing Moment | 1510 kN·m |
| 13 | Max. Turning Moment | 275 kN·m |
| 13 | Max. Vertical Force | 195 kN |
| 13 | Sea Condition | Grade 4 |
GA Drawing
Product Picture
Production Process
About OUCO Company
Founded in 1984, OUCO INDUSTRY is a leading manufacturer of high-quality marine equipment, specializing in cranes, lifting systems, and material handling solutions. With over 40 years of experience, we are recognized for delivering innovative and reliable products tailored to the maritime industry. Our products are trusted by clients globally, including those in the luxury yacht, offshore, port, and industrial sectors.
Our state-of-the-art facility in Jiangsu Province, China, spans 48,000 square meters and is home to over 150 skilled professionals. We are dedicated to ensuring that every product we deliver meets the highest standards of quality, performance, and safety.
Our Team
Customer Build
OUCO Group has been specializing in the field of cranes for more than 10 years. OUCO can design and manufacture any type of cranes, grabs and other handling equipment according to your requirements.
To better protect the safety of our customers' goods, we provide professional, environmentally friendly, convenient and efficient packaging services. Our comprehensive service system results in a high level of customer satisfaction.
| Brand | OUCO |
| Spare parts | 1 set ( If needed, more spare parts are available to be provided according to customers' requirements ) |
| Warranty | 1 year( If needed, warranty time is available to be extended according to customers' requirements ) |
| Packing | container |
| Delivery | Standard product : 1month
Customized product: 2 months
Certified products: 3-4 months |
The Equipment
Our Services
Exhibitions
Factory Certificate
OUCO factory is certified by SGS, 1S09001, CE, BV, CCS, and other authoritative institutions.
Products Certificate
For more details, please feel free to contact us.Welcome to visit our factory!
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3.5T10M knuckle telescopic boom ship deck marine crane Images
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