CUTTER SUCTION DREDGER 400

Dredger Main Particulars

Type of dredger Cutter Suction Dredger
Pontoons 3 dismountable pontoons
Transport Dismountable on flat tracks
Suction pipe diameter 450 mm 18 inches
Discharge pipe diameter 400 mm 16 inches
Suitable for dredging material Clay, medium sand, and coarse sand
Dredging depth at 45 degrees 10.0 m 32.8 ft
Production 600 m³/hr 784 yd³/hr

Dredge Power Unit

Engine power 605 kW 811 hp
Engine speed 1,800 rpm
Cooling system Boxcooler
Generator 22 kVA

Dredger Main Dimensions

Length overall including ladder 24.3 m 79.7 ft
Number of pontoons 3 dismountable
Length over pontoons 16.0 m 52.5 ft
Width overall during operation 5.8 m 19.0 ft
Width overall during transport 2.7 m 8.9 ft
Depth, main pontoon 2.0 m 6.6 ft
Depth, side pontoon 1.5 m 4.9 ft
Design draught 1.1 m 3.6 ft

Dredge Pump

Type DY400-350
Configuration Single-stage centrifugal pump
Position Inboard, mid-pontoon
Suction diameter 400 mm 16 inches
Discharge diameter 350 mm 14 inches
Spherical passage 175 mm 7 inches
Impeller number of vanes 3
Drive power 605 kW 811 hp
Drive Direct drive through a single-stage gearbox
Pump speed 400 – 600 rpm
Wear material Wear-resistant cast iron
Gearbox Single-stage, vertical offset
Shaft seal Mechanical seal

Dredge Cutter Head

Type DY1100-C Multi-purposed
Configuration Crown-type interchangeable teeth
Cutter diameter 1.1 m 3.6 ft
Cutter motor power 55 kW 73.7 hp
Cutter motor speed 0 – 35 rpm
Cutting system Replaceable (narrow, pick-point, chisel type)

Dredge Side Pull Winch

Type of winch Drum winch
Movement Swing 35 degrees to both sides
Number of winches 2 units
Wire pull 50 kN 11,240 lbs
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 16 mm 0.63 inches
Swing range at min depth 27.5 m 90.2 ft
Swing range at max depth 23.0 m 75.4 ft

Ladder Hoisting Winch

Type of winch Drum winch
Number of winches 1 unit
Wire pull 50 kN 11,240 lbs
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 16 mm 0.63 inches
Anchor weight 300 kg 661 lbs

Dredge Spuds System

Total spud length 13.1 m 43.0 ft
Outer spud diameter 406 mm 16 inches
Total spud weight 1,900 kg 4,190 lbs
Hydraulic cylinder force 90 kN 20,232 lbs
Cylinder stroke 1.5 m 4.9 ft

Fuel System

Fuel type Diesel fuel
Tank capacity 8,000 liters 2,113 gal

Operating Cabin

Total area 4.4 m² 47.4 sq ft
Cooling Ventilation fan (A/C optional)
Lights 2x exterior lights and 2x flood lights
Additional Screen wipers
Instrumentations
  • Dredging depth indicator
  • Discharge pressure gauge
  • Vacuum pressure gauge