| GENERAL: |
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| Length – Overall w/ Ladder |
56’-6” |
| Width – Hull , Overall |
10’-0” |
| Width – Shipping, Overall |
10’-6” |
| Height – Overall (Without spuds) |
11’-6 1/2” |
Height – Overall (Shipping) |
10’-0” |
| Dry Weight (Estimated) |
51,000 Lbs. |
| Average Draft (Estimated) |
2’-4” |
| Fuel Capacity (3” Air Space) {Two Independent Fuel Tanks} |
250 U.S. Gallons |
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| HULL : |
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| Length |
49’-4” |
| Depth |
3’-6” |
| Width |
10’-0” |
| Built-in Ballast Tanks at Four Corners |
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| Minimum Exterior Steel Plate Thickness |
3/16” |
| Four (4) Lifting Lugs for lifting complete dredge |
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| DIESEL ENGINE: |
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John Deere Model 8.1 L 6081HF070 Turbocharged Diesel Engine – Radiator cooled |
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| Continuous Power Rating – 325 HP @ 2200 RPM |
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| 12V DC Electrical System |
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| Engine Control Panel w/ Digital Read-outs in Operator’s Cab |
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| DREDGE PUMP: |
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| 8” Diameter Suction x 8” Diameter Discharge-Hull Mounted |
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| 19.5” Diameter 3 Vane Impeller – Thread Mounted on a Heavy-Duty Shaft |
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| Wet End Parts (Impeller, Casing, Suction Cover and Replaceable Rear Liner – 28% High Chrome Alloy Cast Iron (600 BHN Minimum) |
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| Oil Lubricated Bearing Assembly w/ Lip Seal |
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Rope Packing on Pump End with Water Flush |
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| Anti-friction Roller Bearings for thrust and radial loads |
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| Typical Operating Point – 3,000 GPM @ 150’ of Head (water) @ 1132 RPM |
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| Efficiency @ Typical Operating Point – 77 % |
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| Maximum Sphere Size – 3.625” |
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| CUTTER HEAD: |
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| Cutter Diameter |
27” |
| Number of Blades |
5 |
| Cutting Blade Edges |
Replaceable Blades |
| Shaft Diameter |
2 ½” |
| Torque Rating |
31,500 Lb.-In |
| Speed Range |
0 – 40 RPM |
| Cutter HP |
25 |
Cutting Force |
2,250 Lb. |
| Unit Cutting Force |
75 Lb./ Inch |
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| DREDGE RANGE : |
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| Minimum Digging Depth |
2’- 4” |
| Maximum Digging Depth |
15’ |
| Width of Cut @ 2’-4” Digging Depth |
22’-0” |
| Width of Cut @ 15’ Digging Depth |
18’-3” |
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| LADDER SWING CYLINDER: |
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| Nominal Size |
6” Bore x 18” Stroke |
| Rod Diameter |
2 ½” |
| Style |
Connecting Rod End(s) |
| Burst Pressure |
7,500 PSI |
| Operating Pressure |
2,500 PSI |
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| LADDER HOIST CYLINDER: |
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Nominal Size |
6” Bore x 30” Stroke |
| Rod Diameter |
2 ½” |
Style |
Connecting Rod End(s) |
| Burst Pressure |
7,500 PSI |
Operating Pressure |
2,500 PSI |
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| KICKER SPUD CYLINDER: |
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| Nominal Size |
6” Bore x 10” Stroke |
| Rod Diameter |
2 ½” |
| Style |
Connecting Rod End(s) |
| Burst Pressure |
7,500 PSI |
| Rated Operating Pressure |
2,500 PSI |
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| SPUD HOIST WINCHES: |
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Type |
High Performance, High Efficiency Planetary Hydraulic Winch |
| Line Pull |
2,200 Lb |
| Line Speed (Up and Down) |
83 FPM |
| Maximum Operating Pressure |
2,500 PSI |
| Wire Rope Diameter & Type |
1/2”- 6 x 19 Galvanized Wire Rope |
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| HYDRAULIC SYSTEMS: |
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| Pump Drive |
Double Pump – Engine-Direct Drive |
Circuits
Dredge Pump (Closed Loop )
5,000 PSI Max. Continuous Rating
5,500 PSI Relief Pressure Setting
Cutter Head & Auxiliary
2,500 PSI Continuous Rating
2,800 PSI Relief Pressure Setting |
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Circuit Type's
Dredge Pump - Closed Loop Hydro-Transmission |
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| OPERATOR’S CAB: |
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Construction
Steel Sheet Metal Wrapper w/ Steel Tubular Frame, Sound Attenuating Foam Insulation on Walls and Ceiling and Tinted Safety Glass Windows. Bi-fold door on both sides of cab. |
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Heating/Cooling
Roof Mounted Air Conditioner w/ Hot Water Heater and Fan |
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Engine Control Pane
Diesel Engine Control Panel with Read-Outs, including Speed Control, Tachometer, Oil Pressure, Coolant Temperature, High Temperature & Low Oil Pressure Shut-Down |
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Engine Control Panel
Diesel Engine Control Panel with Read-Outs, including Speed Control, Tachometer, Oil Pressure, Coolant Temperature, High Temperature & Low Oil Pressure Shut-Down |
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Controls
- Individual “Finger Tip” Control Switches
Dredge Pump On/Off & Speed
- Cutter Head Fwd/Off/Rev & Speed
- Ladder Swing Cylinder, Starboard/Off/Port & Speed
- Ladder Hoist Cylinder, Up/Off/Down
- Starboard Spud Hoist Up/Off/Down
- Port Spud Hoist Up/Off/Down
- Kicker Spud Hoist Up/Off/Down
- Kicker Spud Fwd/Off/Rev
- Service Water Pump On/Off
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Lighting
- Front & Rear Work Lights
- Interior Cabin Light
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Instruments/Gauges
- Dredge Discharge Pressure Gauge
- Hydraulic Pressure Gauge, Dredge Pump Circuit
- Hydraulic Pressure Gauge, Cutter Head Circuit
- Hydraulic Pressure Gauge, Auxiliary Circuit(s)
- Options: Windshield Wiper and Horn
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| SAFETY EQUIPMENT |
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Two Fire Extinguishers and Two Life Vests.
Life Ring with Rope is optional. |
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| COATING SYSTEM: |
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| All surfaces contacting liquid in the waterway are sand blasted and given two coats of coal tar epoxy having a minimum film thickness of 12 mils (DFT). All other surfaces are primed and coated with two coats of urethane enamel having a combined minimum film thickness of 4 mils (DFT). The cab, diesel engine, hydraulic pump double pump drive, hydraulic components, etc. have their original OEM coatings. |
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