JMD450 18inch 600 cbm/h cutter suction dredger

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Detailed technical specifications of JMD450 18inch 600 cbm/h cutter suction dredger are given bellow:

General information for JMD450 18inch cutter suction dredger

Item Specifications Note
Water flow 2000m3/h
Max. capacity 400-600cbm/h
Slurry concentration 20-30%
Discharge distance 1,200m
Dredging depth 12m
Cutter ladder length 16.5m
Min.dredging depth 1.5m Minimum depth underwater
Maximum dredging width 42m 35°swing each side
Spud dia.&Weight Φ457mm 3tones/pc
Spud wall thickness 20mm Length is 16.5m/pc
Average draught 1.2m
Volume 350m3
Dredger weight 150T
Total installed power of dredger 919kw/1,250HP

Dredger pontoon technical specifications

Item Specifications Note
LOA 31m
Dredger after assembly 24*7*2m L* W* D, cutter not included
Engine room pontoon 13.5*3*2m Length* width* depth 1 pc
Side pontoon 23*2*2m Length* width* depth 2 pcs
Structure Can be dismantle and assemble at working site

Specifications for steel plate in main pontoon (engine pontoon)

Item Specifications Note
Deck thickness 8mm Steel plate on deck
Bottom thickness 8mm Steel plate at pontoon bottom
Side thickness 8mm Steel plate on left and right main pontoons
Front thickness 16mm Steel plate on front pontoons
Back thickness 16mm Steel plate on back pontoons
for steel plate in main pontoon (engine pontoon)
Item Specifications Note
Deck thickness 8mm Steel plate on deck
Bottom thickness 8mm Steel plate at pontoon bottom
Side thickness 8mm Steel plate on left and right main pontoons
Front thickness 16mm Steel plate on front pontoons
Back thickness 16mm Steel plate on back pontoons

1. Specifications for steel plate in 2 side pontoons

Item Specifications Note
Deck thickness 8mm Steel plate on deck
Bottom thickness 8mm Steel plate at pontoon bottom
Side thickness 8mm Steel plate on left and right main pontoons
Front thickness 12mm Steel plate on front pontoons
Back thickness 10mm Steel plate on back pontoons

2. Technical specifications for main engine and auxiliary engine--Cummins engine

1) Technical specifications for main engine
Item Specifications Note
Model KTA38-M Cummins engine
Power 895KW 1217HP
Revolution per minute 1,800r/min RPM
Diameter cylinder 159mm
Travel walk 159mm Stroke
No. of cylinders 12 Diesel engine oil cylinder quantity
Displacement 38L Diesel oil displacement for main engine
Cooling System Liquid Cooled
2).Technical specifications for emergency generator
Item Specifications Note
Model 24GF Cummins engine
Power 24KW 33HP
3). Total power of main engine and auxiliary engine and diesel oil consumption
Total power 919KW
Total oil consumption 165L/H

3. Specifications for dredging pump

Item Specifications Note
Water flow 2000m3/h
Concentration 20-30%
Solid capacity 400-600cubic meter/h
Discharge distance 1,200m
Head 43m
Rotate speed 600r/m
Diameter impeller 914mm
Blade quantity 3 blades
Material Cr27
Max. dia. Granule 220mm
Impeller using time 10 months
Dredging pump sealing Packing seal

4. Specifications for hydraulic system

1). Specifications for hydraulic pump A
Item Specifications Note
Quantity 2 sets
Pump Model 4535VQ
Manufacturer Vickers
2). System elements for hydraulic system and electric devices
Item Specifications Note
Hydraulic system REXROTH
Controlling system PLC Siemens
Hydraulic pump VICKERS
Quantity 1 set
Hydraulic pressure 16Mpa Hydraulic pressure in working

5. Specifications for winches

1). Specifications for bridge winch
Item Specifications Note
Diameter drum 377mm
Wire rope speed 0-30m/min Changeable
Motor displacement 6858ml/r
Working pressure 16Mpa
Dia.wire rope/length 20mm/130m
Force 80KN
Quantity 1set
2). Specifications for side winch
Item Specifications Note
Diameter drum 377mm
Wire rope speed 0-30m/min Changeable
Motor displacement 6858ml/r
Working pressure 16Mpa
Dia.wire rope/length 20mm/130m
Force 80KN
Quantity 2 sets

6. Specifications for hydraulic cutter head

Item Specifications Note
Diameter cutter head 1,500mm
Shaft power 100kw
Motor quantity 1 pc
Revolutions per min 10r/min, 20r/min, 30r/min RPM
Displacement 13,000ml/r
KN.M 80KN.M
Cutting force 1900N
Cutting speed 2.2m/s
Working pressure 16Mpa
Cutter teeth quantity 45teeth
Cutter teeth material ZGMn13
Cutter blade quantity 6 pcs
Cutter blade material ZG35SiMn
Cutter teeth using time 130 Days

7. Emergency generator

Item Specifications Note
Model&manufacturer 24GF Cummins Cummins generator
Quantity 1 set

8. Deck crane

Item Specifications Note
Lifting power 20KN
Lift diameter /outreach 2.0m
Quantity 1pc

9. Anchor

Item Specifications Note
Anchor weight 500 kg/pc
Anchor quantity 2pcs
Anchor material #35 steel
Electricity installation Voltage 24V DC
10. Battery capacity 195 Ah
Battery quantity 4pcs

11. Painting for completer cutter suction dredger

Anti-dusting paint 2 layers, zinc-rich epoxy primer 2 layers, and anti-corrosion zinc block welding
on main pontoons.

12. Demands for workers of operation

Operating people demanded at least
Electrician 1person
Captain for operating 1person
Hydraulic system and main engine maintaining 1person
Deck supervisor 1person

13. Zinc block cathodic protection

Each Zinc block is installed on dredger body every 2.5m distance, total No. Is 16 pecs.

14. Delivery and package

MOQ 1 set
Payment LC at sight
Dredger guarantee time 1 year
Cummins engine guarantee time 1 year
Delivery time 100 days
Giving technical support for all life
Packaging: Complete one or open type