Yunfeng Dredger Company is one of the most reliable manufacturers and suppliers of cutter head dredger equipment in China. If you're going to buy the newest cutter head dredger equipment made in China, welcome to get quotation from our factory. All customized products are with high quality and low price.
Products Description
When cutter Head dredger equipment is for offshore projects including marine sand extraction, land reclamation, and waterway deepening & widening, offshore working conditions are far harsher and more complicated than inland water environments, presenting multiple challenges such as wave disturbance, complex hard strata, seawater corrosion, tidal currents, long-distance reclamation pumping, and marine operation safety risks.


We adopt the following measures on cutter head dredger equipment to adapt to such harsh operating environments
1.For offshore wave conditions, medium and large cutter Head dredger equipment are prioritized for offshore sand mining and reclamation works. Dredgers of this type feature larger tonnage, deeper draft and reinforced hull frames, which greatly enhance their resistance to wind and swell. They are capable of continuous and stable operation in sea areas with wave heights up to 1.5 meters.

2.A full-range upgrade of the cutter head system is implemented to cope with complex hard offshore strata:
First, high-strength wear-resistant alloy(Cr27) teeth are equipped to improve impact resistance, wear resistance and anti-cracking performance, enabling efficient cutting and breaking of hard formations such as limestone and coral rock.
Second, the power and torque of the cutter head are increased with a high-power hydraulic drive system to boost its cutting and crushing capacity.
This allows quick breakdown of hard rock inter-layers and prevents jamming and stall.

Technical specifications of RYD650 Cutter head dredger equipment
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RYD650 |
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Shijiazhuang |
Dia. Discharge pipe |
650mm |
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Head |
65m |
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Max. Working capacity |
1100m3/h |
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Discharge distance |
4000m |
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Dredging depth |
18m |
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Diesel Engine |
1875KW |
Mitsubishi |
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Hydraulic Auxiliary engine |
522KW/895KW |
Cummins |
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Emergency Generator |
30KW |
WEICHAI |
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Total power |
2427KW |
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Oil Consumption |
365L/H |
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Hull Dimension |
LOA*W*D |
50m×8.8m×2.5m |
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Hydraulic system |
Hydraulic pump |
VICKERS America (Joint-venture) |
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Hydraulic Motor |
Italy SAI technology(Joint-venture) |
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Valves |
REXROTH Germany (Joint-venture) |
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Operating system |
SIEMENS PLC(Imported from Germany) |
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Ladder winch |
Tension |
200KN |
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Swing winch |
Tension |
160KN |
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Cutter Head |
Crown-like |
Φ2200mm |
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Power |
450KW/650KW |
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