Cutter Suction Dredger 450

Cutter suction dredger 450 (18 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 450 for any project.


Dredger Main particulars

Type of dredgerCutter Suction Dredger
Pontoons3 dismountable pontoons
TransportDismountable on flat tracks
Suction pipe diameter500 mm20 inch
Discharge pipe diameter450 mm18 inch
Suitable for dredging materialclay, medium sand and coarse sand
Dredging depth at 45 degrees12.0 m39.4 ft
Production900 m³/hr

Dredge Power Unit

Engine power895 kW1,200 hp
Engine speed1,800 rpm
Cooling systemSeawater cooling

Dredger Main Dimensions

Length overall including ladder28.5 m93.5 ft
Number of pontoons3 dismountable
Length over pontoons19.9 m65.3 ft
Width overall during operation6.7 m22.0 ft
Width overall during transport3.0 m9.8 ft
Depth main pontoon2.45 m8.0 ft
Depth side pontoon1.8 m5.9 ft
Design draught1.2 m3.9 ft

Dredge Pump

ConfigurationSingle stage centrifugal pump
PositionInboard, mid-pontoon
Suction diameter450 mm18 inch
Discharge diameter400 mm16 inch
Spherical passage200 mm8 inch
Impeller number of vanes3
Drive power895 kW1,200 hp
DriveDirect drive through a single stage gearbox
Pump speed400 – 600 rpm
Wear materialWear resistant cast iron
GearboxSingle stage, vertical offset
Shaft sealMechanical seal

Dredge Cutter Head

TypeDY1510-C Multi-purposed
ConfigurationCrown type interchangeable teeth
Cutter diameter1.5 m4.9 ft
Cutter motor power110 kW147 hp
Cutter motor speed0 – 35 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 pull70 kN15,400 lbs
Hauling speed0 – 25 m/min0 – 82 ft/min
DriveHydraulic motor
Wire diameter18 mm0.7 inch
Swing range at min depth31.9 m104.6 ft
Swing range at max depth26.2 m85.9 ft

Ladder Hoisting Winch

Type of winchDrum winch
Number of Winches1 unit
Wire pull70 kN15,400 lbs
Hauling speed0 – 25 m/min0 – 82 ft/min
DriveHydraulic motor
Wire diameter18 mm0.7 inch
Anchor weight500 kg1,100 lbs

Dredge Spuds

Total spud length16.0 m63.0 ft
Outer spud diameter508 mm24 inch
Total spud weight3,100 kg15,400 lbs
Hydraulic cylinder force150 kN66,150 lbs
Cylinder stroke1.5 m5.9 ft


Fuel typeDiesel fuel
Tank capacity16,000 liters4,226 gal

Operating Cabin

Total area4.0 m²43.0 sq-ft
CoolingVentilation fan (a/c optional)
Lights2x exterior light and 2x flood light
AdditionalScreen wipers
Instrumentations• Dredging depth indicator
• Discharge pressure gauge
• Vacuum pressure gauge

General Arrangement

CSD450 general arrangement plan

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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