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|Brand Name:||HLC||Place of Origin:||Shandong, China||Model Number:||HLC450A|
|Type:||Cutter Suction Dredger||Certification:||SGS, ZC||After-sales Service Provided:||Engineers available to service machinery overseas|
|Warranty:||1 year||Weight:||245 T||Dimension(L*W*H):||38*9*2.5M|
|Power Type:||Diesel||Condition:||New||Draught:||170 cm|
|Dredging Depth:||20 m|
Cutter suction dredger will be packed in bulk during shipping
New cutter suction dredger for 20m dredging depth
Part 1: Main Parameter for HLC450A/18 inch cutter suction dredger
HLC450A/18inch cutter suction dredger
Max. dredging depth
Cutter ladder length
LOA (include cutter)
About 245 T
CBM of shipment
About 1050 CBM
Suction pipe dia.
Discharge pipe dia.
Hull size(Exclude cutter)
38*9*2.5m Length* width* depth
Can be dismantled and assemble at working site
Part 2: Detailed structure of HLC450A/18 inch cutter suction dredger
The hull consists of 5 rectangular shaped pontoons:
- One main pontoon, which houses the dredging installation
- Two side pontoons, which house ballast tanks, stores and voids
- Two tail pontoons, which are used to form a pathway for trolley
Engine room pontoon
15.4×3.5×2.5m Length* width* depth (Main pontoon)
36×2.75×2.5m Length* width* depth
There are one main pontoon and two side pontoons
The two side pontoons are coupled to the main pontoon by means of wedges at their bottom and flanges with bots at deck level. And the two tail pontoons are connected to the two side pontoons.
2.2. Main engine, auxiliary engine and generator
The main engine, auxiliary engine and generator are installed in the main pontoon.
The main engine supplies power for dredge pump through reduction gear box.
The auxiliary engine supplies power for hydraulic and control system.
The generator supplies electricity for emergency use and lighting when stop work.
Main engine power
Auxiliary engine power
Emergency generator power
Option( main engine)
Option( auxiliary engine)
There are two options for main engine and auxiliary engine: Cummins engine or DEUTZ--MWM engine.
The after-sale service is all over the world for Cummins engine, while it has higher requirement on diesel oil and engine oil.
NO after-sale service for DEUTZ--MWM engine overseas, it is easily for maintaining and repairing, spares are cheap can be selected with dredger.
2.3. Dredge pumps
The HLC450A/18inch cutter suction dredger is equipped with double dredge pumps, the maximum dredging depth can deep to 20m underwater.
- one pump locates in the engine room, connected with the main engine
- the underwater pump locates on the cutter ladder, connected with the hydraulic gear box
2.4. Trolley and related pontoons
The Trolley equipped on the HLC450A/18inch cutter suction dredger, can carry spud automatically to increase the productivity.
It moves in the pathway of the coupled tail pontoons, driven by one horizontal hydraulic cylinder. Each travel distance is 4 meters.
2.5. Hydraulic system
Quantity of swing winch
Quantity of lifting winch
Hydraulic cutter power
Spud cylinder dia.
Quantity of spud cylinder
Trolley cylinder dia.
Quantity of trolley cylinder
2.6. Cutter ladder
The cutter ladder is a well-welded steel structure, with adequate dimensions and scantlings to sustain the various external forces at the dredging depths.
The underwater pump is installed on the ladder and very close to the cutter head. A suction pipe runs from the cutter to the underwater pump and then goes upper end of the ladder, connected to dredge pump of engine room by a hose.
The cutter head is driven by hydraulic motors, its shaft is sealed in lubrication oil with bearing. Each cutter has 5 blades, 6 teeth on each blade and it’s easy to replace when the cutter teeth is broken.
2.7. Jib cranes
There are two jib-cranes equipped on the HLC450A/18 inch cutter suction dredger:
- one locates on the deck, is for lifting of dredge pump parts out of the engine room and any other items requiring handling.
- the other locates on the gantry, is for lifting of underwater pump parts.
2.8. Oil consumption
Max. oil consumption
239L /h for Cummins engine
244L/h for DEUTZ—MWM engine
Oil tank capacity
Continue working time
251 hours for Cummins engine
246 hours for DEUTZ—MWM engine
Part 3: About warranty- installation& training
3.1. Warranty period of the quality
The seller provides 12months warranty for the quality of the diesel engines, generators, gear boxes, pumps, cutters. While following conditions are excluded:
Accident, malicious damages, careless or wrong operation man-made damage
If happened, cost at the buyer's side, then the seller’s responsible for repair or delivery new spares.
3.2. About installation and training
After the dredger shipped to the work site, the seller sends two qualified and experienced engineers for installation and training work. The buyer arranges 6-8 workers as assistants to install and debug.
Working efficiency is related to operating skill of the workers. Generally, it costs 15-30 days for installation and training workers how to operate this machine.
3.3. Why is the dredger shipped in bulk not in container?
The dredger is large and can’t be putted into container. What’s more, if the dredger must be shipped in container, the engine room must be designed smaller, but no adequate space and access for maintaining or repairing in the long run.
Thanks a lot for your visit! Any questions, feel free to contact me. This is Jessie here.
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