Rotomite 6000 C Series All Purpose Dredges

 Self-propelled, manned, 6" all purpose diesel (or electric) powered dredges for soft and abrasive slurrries

Rotomite 6000 C Series Dredge

Shown above, SRS Crisafulli’s newly offered all purpose Rotomite 6000 CE (R6CE) dredge, designed for customer convenience, safety, and productivity, engineered for a full range of dredging applications from soft to highly abrasive slurries, powered by an external electrical source at the customer’s electrical utility facility. The all purpose Rotomite 6000 C Series dredges offer forward mounted heated & air-conditioned operator’s cab with 360-degree visibility, and the safety guardrail surrounding the dredge. The dredge is also offered at lower cost as a more conventional diesel powered unit, the Rotomite 6000 CD.


The Rotomite 6000 C Series offers a range of Performance Capabilities

“Provides customers with BEST VALUE

  • Dredging depth: 23 feet standard (up to 30 feet optional)
  • Applications:  the full range of dredging applications from soft to abrasive slurries.
  • Cubic yards of sludge processed per hour: up to 240 cubic yards
  • Discharge volume: up to 3,400 gallons per minute @ 180' TDH (water)
  • Dredging speed: up to 25 feet per minute
  • Width of dredging cut: 8 feet
  • Draft: 30 inches
  • Propulsion thrust:  1300 pounds (or more)
  • Discharge distances and variables. *Pumping sludges and slurries.

*An important feature of SRS Crisafulli’s hydraulic dredges is their ability to pump dredged sludges and slurries over substantial distances to remote disposal sites.

For abrasive and soft slurries. Engineered as modifications to SRS Crisafulli’s established and proven successful Rotomite 6000, the two brand new models are designed to dredge efficiently the full range of applications from soft slurries to highly abrasive slurries such as sand.

Cast alloy pump. We replaced the fabricated pump used in the Rotomite 6000 with a cast alloy pump by Georgia Iron Works, the GIW Model LCC-M 150-500, designed specifically for abrasive applications. All dredge systems have been “hardened” to handle abrasive slurries including a new cutterhead.

Meaning of initials in names. CD stands for cast pump and diesel power. CE stands for cast pump and electric power.


New and Unique Features of Rotomite 6000 CE and Rotomite 6000 CD

While many features of the Rotomite 6000 C Series are similar or identical to the Rotomite 6000, the Rotomite 6000 CE and CD have several new and unique features that increase productivity and versatility.

SRS Crisafulli’s Engineers developed two new models of its proven successful self-propelled Rotomite 6000, named Rotomite 6000 CE and Rotomite 6000 CD, with a cast alloy pump for highly abrasive applications.  Every component that processes slurry on the Rotomite 6000 CE and CD was selected for abrasion resistance. SRS Crisafulli invites enquiries from those who seek better solutions for abrasive dredging applications.

Cast Pump for Abrasive Applications. The Rotomite 6000 CE and CD were designed around the Georgia Iron Works (GIW) cast alloy pump model LCC-M 150-500 6 inch by 8 inch. See below for photo of the GIW cast alloy pump mounted on the Rotomite 6000 CE.

GIW pump

New Cutterhead. Shown above and below is SRS Crisafulli’s newly engineered cutterhead designed specifically for the R6CE and R6CD, called the R6C Cutterhead. Note in the photo below that the R6C cutterhead hydraulic motors are mounted inside the auger tube for more efficient dredging of abrasive materials.  

Rotomite 6000 C Cutterhead

 

Propulsion System. The Rotomite 6000 C Series has a completely new and much more powerful propulsion system, shown below, which adds versitility (speed, thrust, and maneuverability) for the heavier Rotomite 6000 C.

propeller resized 201

 

Rotomite 6000 C Dashboard

Shown above, an inside view of the Operator’s Cab on the Rotomite 6000 CE. All dredge functions are controlled from the Cab – i.e., turn the main engine on and off and vary it’s power output, raise or lower the cutterhead and pump, turn on and off and vary the speed or RPM of the pump, the cutterhead rotation, propulsion thrust on/off and forward and reverse, steer the dredge left or right. The Cab is heated and air-conditioned for the Operator’s comfort, safety, and to enhance dredge productivity.

Best Value. The foregoing capabilities result in maximum versatility, minimum operating costs, and “Best Value” for the customer.

Quiet Operation. The noise level in the cab is below 85 decibels - generally considered comfortable without earplugs.

Walkway Behind Cab. The Rotomite 6000’s 24” wide walkway behind the cab enables easy access to the opposite side of the dredge’s forward section thereby increasing operator convenience and productivity.

Safety guard rails. Note the guard rails on each side of the dredge and flanking the ladder.

Features - Standard Models
   
Rotomite 6000 CD
Discharge volume - gallons per minute  
2500 GPM @ 180' TDH (water)
Engine horsepower  
275 HP continuous @ 2000 RPM
The Rotomite 6000 CE is offered for an electrical power system with an external electrical power source.
Sludge pump  
Georgia Iron Works cast pump Model #LCC-M-200-610
Pump/dredge discharge diameter  
6" x 8"
Excavation depth  
up to 23 feet (30 feet optional)
Depth control  
Dual hydraulic cylinders
Excavation width  
8 feet (2.44 m)
Excavation speed  
up to 10 feet/minute
Spherical solids passage - maximum  
3"x 3.5" (76 mm x 88.9 mm)
Cutterhead width  
  8.5 feet (2.6 m)
Cutterhead drive  
Dual
Cutterhead torque  
11,000 inch/pounds (1243 Nm)
Cutterhead rotation  
Bi-rotational
Cutting teeth  
Hardened steel Cobra
Pontoons  
Foam-filled, 11 gauge steel
Draft  
27 inches (687 mm)
Freeboard  
10 inches
Walkway  
Non-skid surface
Lighting  
Sealed beam front & rear
Operator's cab  
Adjustable seat; heat & air conditioning
Color  
Gray standard; white trim
Electrical power  
12 VDC
Fuel capacity  
140 U.S. gallons (531 liters)
Fuel consumption (maximum)  
12.3 U.S. gallons per hour
Instrumentation
   
Discharge pressure
   
Tachometer
   
Engine oil pressure
   
Engine temperature
   
Hour meter and Volt meter
   
Hydraulic pressure
   
digital depth indicator
   
Hydraulic oil level & temperature
   
Krohne electromagnet Flowmeter
   
Temperture guage
   
Percent engine torque
   
Controls
   
Engine speed
   
Key start; Depth
   
Sludge pump speed-Forward/N/Reverse
   
Cutterhead - Forward/N/Reverse
   
Cutterhead speed control
     Options
   
Mudshield
   
Ultrasonic Flowmeter
   
Discharge Nozzle
   
Pond Liner Protection System - cage, wheels, or both
   
Power Steering

Rotomite 6000 C TransportabilityPortability. The Rotomite 6000 C Series is transportable anywhere in the US (as is the Rotomite 6000) on a step-deck flat bed.

visibility resized 201

Great visibility. Note the Operator's clear view of dredging operations from the forward positioned cab with large windows on all four sides on the Rotomite 6000 C. The new cab (with optional air and heat) is accessible from either side of the dredge for improved convenience, productivity, and safety.

See also the powerful, Rotomite-6000 dredge

See also the handy-sized, powerful shallow draft Rotomite-SD110

See Major Dredge Components

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