Neumann Equipment - DEX250 Nu Explorer Series Cutter Suction Dredge

The Nu Explorer Series of dredges is a small, compact, portable cutter suction dredge easily transported in 2 x 40’ open top shipping containers. This makes it extremely cost-effective to mobilise anywhere in the world.

The standard unit has a 194kW (260 bhp) Cummins 6CTA8.3-C Engine providing power to the GIW KSB LCC-M 200-610 Slurry Pump and hydraulics. It has a wet slurry pumping capacity of approximately 650 m3/hr and can dredge to a maximum depth of 6.5 metres.

Note: Our experienced team can customise the standard unit to suit your specific requirements.


Standard Inclusions:
Cummins 6CTA8.3-C diesel engine.
Dong-I DTMP-5100 transmission.
GIW KSB LCC-M 200-610 slurry pump.
Southern Cross 100×65-315 jetting/priming pump.
850mm diameter cutter wheel.
All metal components are grit blasted and primed with two-pack epoxy primer and finished with heavy-duty two-pack epoxy polyamine marine coatings.

Available Options:
Engine: Engines may be changed to suit different kW requirements or customer preferences.
Pump: Slurry pump type can be changed to suit site-specific pumping requirements or customer preference.
Controls: Either manual hydraulic controls or electric over hydraulic controls.
Flow Control: Density Gauge, Flow Meter.
Electronics: RTK/DGPS System, PLC Systems, Engine Management Systems.
Other Equipment: Fire Suppression System, Specific Safety Equipment, Air Conditioning.

Length, hull: 11.4m
Width, hull: 4.38m
Depth, hull: 1.42m
Length, overall: 17.15m
Draft: 0.8m
Pontoons: 2 X (11.4m x 1.4m x 1.4m)
Plate Thickness: 6mm
Dry Weight: 23.0 tonnes
Fuel Capacity: 1,400 litres

Engine –
Model: Cummins 6CTA8.3-C
Power rpm: 194kW 2,200rpm
Torque rpm: 1,135 Nm 1,500rpm

Transmission –
Model: Dong-I DTMP-5100
Ratio: 1.93:1

Slurry Pump –
Model: GIW KSB LCC-M 200-610
Suction/Discharge: 150/200mm
Vane Diameter: 610mm
Free Passage: 102 x 109mm
Power at Pump: 164kW

Jetting/Priming Pump
Model: Southern Cross 100×65-315
Suction/Discharge: 100/65mm
Vane Diameter: 315mm

Cutter Wheel
Power at Cutter: 25kW
Cutter Speed: 0-30rpm
Cutter Diameter: 850mm
Cutter Force: 1,500kg