CUTTER SUCTION DREDGER 650

Dredge Main Particulars

Type of dredger Cutter Suction Dredger
Pontoons 7 dismountable pontoons
Transport Dismountable on flat tracks
Suction pipe diameter 700 mm 28 inches
Discharge pipe diameter 650 mm 26 inches
Suitable for dredging material Clay, medium sand, and coarse sand
Dredging depth at 50 degrees 18.0 m 59.0 ft
Production 1,650 m³/hr 2,158 yd³/hr

Dredge Power Unit

Total installed power 3,127 kW 4,190 hp
Main engine power 1,885 kW 2,528 hp
Main engine speed 1,500 rpm
Auxiliary engine power 1,210 kW 1,623 hp
Auxiliary engine speed 1,800 rpm
Generator power 40 kVA
Cooling system Boxcooler

Dredger Main Dimensions

Length overall including ladder 56.7 m 186 ft
Number of pontoons 7 dismountable
Length over pontoons 42.6 m 139.7 ft
Width overall during operation 10.6 m 34.8 ft
Width during land transport 4.5 m 14.8 ft
Depth, main pontoon 2.9 m 9.5 ft
Depth, side pontoon 2.4 m 7.9 ft
Design draught 1.7 m 5.6 ft

Dredge Pump

Type DY600-550
Configuration Single-stage centrifugal pump
Position Inboard, mid-pontoon
Suction diameter 600 mm 24 inches
Discharge diameter 550 mm 22 inches
Spherical passage 275 mm 11 inches
Impeller number of vanes 3
Drive power 1,885 kW 2,528 hp
Drive Direct drive through a single-stage gearbox
Pump speed 400 rpm
Wear material Wear-resistant cast iron
Gearbox Single-stage, vertical offset
Shaft seal Mechanical seal

Dredge Cutter Head

Type DY2000-C Multi-purposed
Configuration Crown-type interchangeable teeth
Cutter diameter 2.0 m 6.5 ft
Cutter motor power 700 kW 940 hp
Cutter motor speed 0 – 30 rpm
Cutting system Replaceable (narrow, pick-point, chisel type)

Dredging Winch

Type of winch Drum winch
Movement Swing 35 degrees to both sides
Number of winches 2 units
Wire pull 240 kN 53.9 kip
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 36 mm 1.4 inches
Swing range at min depth 56.0 m 183.7 ft
Swing range at max depth 46.6 m 152.8 ft

Ladder Hoisting Winch

Type of winch Drum winch
Number of winches 1 unit
Wire pull 240 kN 53.9 kip
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 36 mm 1.4 inches

Anchor Hoisting Winch

Type of winch Drum winch
Number of winches 2 units
Wire pull 72.6 kN 16.3 kip
Hauling min. speed 10 m/min 33 ft/min
Drive Hydraulic motor
Wire diameter 28 mm 1.1 inches
Anchor weight 1,500 kg 3.3 kip

Dredge Spuds

Total spud length 24.0 m 78.2 ft
Outer spud diameter 914 mm 36 inches
Total spud weight 15,000 kg 33,000 lbs
Hydraulic cylinder force 600 kN 134.9 kip
Cylinder stroke 2.1 m 6.9 ft
Spud carrier cylinder stroke 4.5 m 14.8 ft

Spud Carrier Pontoon

AFT pontoon length 10.5 m 34.4 ft
AFT pontoon width 4.8 m 15.7 ft
AFT pontoon depth 2.9 m 9.5 ft
Spud carrier cylinder stroke 4.5 m 14.8 ft

Fuel System

Fuel type Diesel fuel
Tank capacity 90,000 liters 23,775 gal

Operating Cabin

Total area 12.9 m² 139 sq ft
Cooling Ventilation fan (A/C optional)
Lights 2x exterior lights and 2x flood lights
Additional Screen wiper
Instrumentations
  • Dredging depth indicator
  • Discharge pressure gauge
  • Vacuum pressure gauge
  • Spud carriage position indicator

Deck Crane

Lifting capacity 50 kN 11.2 kip
Reach 5.0 m 16.4 ft