Cutter Suction Dredger 650

Cutter suction dredger 650 (26 inch) is a dismountable dredger with an integrated dredge pump & drive system. This makes the dredger efficient and compact, allowing for easy transportation and high production rates. We offer a range of customization options to adapt CSD 650 for any project.


Dredger Main particulars

Type of dredgerCutter Suction Dredger
Pontoons6 dismountable pontoons
TransportDismountable on flat tracks
Suction pipe diameter700 mm28 inch
Discharge pipe diameter650 mm26 inch
Suitable for dredging materialclay, medium sand and coarse sand
Dredging depth at 50 degrees18.0 m59.0 ft
Production1,650 m³/hr

Dredge Power Unit

Total installed power3,135 KW4,200 hp
Main engine power1,885 KW2,528 hp
Main engine speed1,500 rpm
Auxiliary engine power1,210 KW1,623 hp
Auxiliary engine speed1,800 rpm
Generator power40 kW54 hp
Generator frequency50 Hz
Cooling systemSeawater cooling

Dredger Main Dimensions

Length overall including ladder56.7 m186 ft
Number of pontoons6 dismountable
Length over pontoons44.6 m146 ft
Width overall during operation10.6 m35.1 ft
Width during land transport4.5 m14.8 ft
Depth, main pontoon2.9 m9.5 ft
Depth, side pontoon2.4 m7.9 ft
Design draught1.7 m5.6 ft

Dredge Pump

ConfigurationSingle-stage centrifugal pump
PositionInboard, mid-pontoon
Suction diameter600 mm24 inch
Discharge diameter550 mm22 inch
Spherical passage300 mm12 inch
Impeller number of vanes3
Drive power1,885 kW2,528 hp
DriveDirect drive through a single-stage gearbox
Pump speed400 rpm
Wear materialWear resistant cast iron
GearboxSingle-stage, vertical offset
Shaft sealMechanical seal

Dredge Cutter Head

TypeDY2000-C Multi-purposed
ConfigurationCrown-type interchangeable teeth
Cutter diameter2.0 m6.5 ft
Cutter motor power700 kW940 hp
Cutter motor speed0 – 30 rpm
Cutting systemReplaceable (narrow,
pick-point, chisel type)

Dredging Winch

Type of winchDrum winch
MovementSwing 35 degrees to both sides
Number of winches2 unit
Wire pull240 kN53,000 lbs
Hauling speed0 – 20 m/min0 – 66 ft/min
DriveHydraulic motor
Wire diameter36 mm1.4 inch
Swing range at min depth56.0 m 183.7 ft
Swing range at max depth46.5 m152.5 ft

Ladder Hoisting Winch

Type of winchDrum winch
Number of Winches1 unit
Wire pull240 kN53,000 lbs
Hauling speed0 – 24 m/min0 – 79 ft/min
DriveHydraulic motor
Wire diameter 36 mm1.4 inch


Type of winchDrum winch
Number of winches2 units
Wire pull72.6 kN16,000 lbs
Hauling min. speed10 m/min
DriveHydraulic motor
Wire diameter28 mm1.1 inch

Dredge Spuds

Total spud length23.5 m77.0 ft
Outer spud diameter914 mm36 inch
Total spud weight15,000 kg33,000 lbs
Hydraulic cylinder force600 kN132,000 lbs
Cylinder stroke2.1 m6.9 ft
Spud carrier cylinder stroke4.5 m14.8 ft


AFT pontoon length10.5 m35.0 ft
AFT pontoon width4.8 m16.0 ft
AFT pontoon depth2.9 m9.5 ft
Spud carrier cylinder stroke4.5 m15.0 ft


Fuel typeDiesel fuel
Tank capacity100,000 liters26,400 gal

Operating Cabin

Total area13.8 m²148 sq-ft
CoolingVentilation fan (a/c optional)
Lights2x exterior light and 2x flood light
AdditionalScreen wiper
Instrumentations• Dredging depth indicator
• Discharge pressure gauge
• Vacuum pressure gauge
• Spud carriage position indicator


Lifting capacity50 kN11,000 lbs
Reach5.0 m16.4 ft

General Arrangement

Production Curve


Dredge Yard environmental dredging landscape

River dredging & deepening

River dredging is necessary to keep waterways open for inland transport & to prevent flooding.

Settling pond cleaning & dredging landscape

Settling pond dredging

We offer dredgers for cleaning, desilting and desludging a wide range of industrial settling ponds, holding ponds and lagoons.

lake & reservoir dredging

Reservoir, lake & dam dredging

Reservoir, lake and dam dredging should be done regularly in order to restore them to their full capacities.

water intake cleaning & dredging landscape

Water intake dredging

Regular maintenance dredging in the form of water intake cleaning is needed to keep the water basins clean and the capacity of the industrial plant at its maximum.

Dredge Yard mine tailing removal dredging landscape

Mine tailing removal & dredging

Our dredgers can be used for mine tailing removal to clean up or dredge ponds. Following this, the tailings can be disposed of or further processed for valuables.

Environmental dredging

Environmental dredging requires precise, low turbidity dredging. We offer dredgers, which avoid dispersion of pollutants & have minimal impact on the environment.

canal & channel dredging

Canal & channel dredging

Regular canal & channel maintenance dredging is vital to ensure safe and efficient navigation, irrigation, commerce and businesses running smoothly.

marina & harbour dredging

Marina & harbor dredging

Regular maintenance dredging is required to make sure marinas and harbors provide safe navigation and access at all times, and to avoid disruption of waterway traffic.

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