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VMI Horizontal Dredge Specifications |
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MD-415 |
MD-615 |
MD-815 |
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GENERAL |
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Length |
33' 6" (10.21 m) O.A. |
37’ 6” (11.43 m) O.A. |
38’ 6” (11.73 m) O.A. |
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Height (without A/C) |
8' (2.44 m) |
8’ 6” (2.59 m) |
8’ 10” (2.69 m) |
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Width |
8' 6" (2.59 m) (transport) |
9’ (2.74 m) (transport) |
9’ 11” (3.02 m) |
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Weight (Approx.) |
20,000 lbs (9,100 kg) |
23,000 lbs (10,400 kg) |
26,500 lbs (11,800 kg) |
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Draft |
22" (55.88 cm) |
22” (55.88 cm) |
25” (63.5 cm) |
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Fuel Capacity |
160 U.S. gallons (606 L) |
244 U.S. gallons (923 L) |
325 U.S. gallons (1230 L) |
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ENGINE |
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Type |
Cummins |
Cummins |
Cummins |
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Model |
QSB 6.7 |
QSB 8.3 |
QSL 9 |
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Power |
173 BHP (129 kW) @ 2500 RPM |
260 BHP (194 kW) @ 2200 RPM |
350 BHP (261kW) @ 2100 RPM |
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PUMP |
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Type |
Hi-chrome cast iron, centrifugal, recessed impeller |
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Impeller |
18" (45.72 cm) |
22” (55.88 cm) |
25” (63.5 cm) |
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Suction |
4" (10.16 cm) |
6” (15.24 cm) |
8” (20.32 cm) |
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Discharge |
4" (10.16 cm) |
6” (15.24 cm) |
8” (20.32 cm) |
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Capacity (water @ 68°F) |
3.75” (95mm) Sphere - Variable to 1,000 GPM (3,785 L/min) @ 130' (39.6 m) head @ 1400 RPM |
5.75” (146mm) Sphere - Variable to 2,000 GPM (7,570 L/min) @ 140' (42.7 m) head @ 1140 RPM |
7.75” (196mm) Sphere - Variable to 3,000 GPM (11,355 L/min) @ 130' (39.6 m) head @ 960 RPM |
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CUTTER ASSEMBLY |
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Type |
Horizontal with full-width, flow-through suction (Paddle and cutting teeth available) |
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Size |
8' 6" (2.59 m) wide x 21" (53.34 cm) diameter |
9' (2.74 m) wide x 21" (53.34 cm) diameter |
9' 11" (3.02 m) wide x 21" (53.34 cm) diameter |
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Speed |
Variable 0-80 RPM (forward and reverse) |
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Torque |
56,000 in-lbs. (6,328 N∙m) |
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Operating Depth |
Variable to 15' (4.57 m) maximum (optional depths available upon request) |
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PONTOONS |
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Dimensions |
Two - 32" (81.28 cm) x 34" (86.36 cm) x 29' 6" (8.99 m) |
Two - 32" (81.28 cm) x 34" (86.36 cm) x 33' 6" (10.21 m) |
Two - 34" (86.36 cm) x 40" (101.6 cm) x 34' 6" (10.52 m) |
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Description |
10 gauge steel, integral bulkheads and stiffeners, formed for rigidity, cora-foam filled |
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PROPULSION |
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Type |
Treble sheave hydraulic winch |
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Traverse Speed |
Variable 0-50 ft/min (0-15.2 m/min) |
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Cutting Speed |
0-15 ft/min (0-4.57 m/min) |
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HYDRAULIC SYSTEM |
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Pumps |
Variable displacement, axial piston |
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Motors |
Fixed displacement |
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Capacity |
Total, 80 GPM (302.8 L/min) @ 2200 RPM |
Total, 130 GPM (492.1 L/min) @ 2200 RPM |
Total, 170 GPM (681.3 L/min) @ 2200 RPM |
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Reservoir |
100 U.S. gallons (378.5 L) |
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DRIVE |
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Description |
Hydraulic pump drive, direct from engine |
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FILTERS |
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Description |
Protected hydrostatic loop, high pressure suction & return |
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RELIEF SETTINGS |
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Centrifugal Pump |
4000 psi (276 bar) |
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Cutter Head |
3000 psi (207 bar) |
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Accessories |
3000 psi (207 bar) |
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Boom |
1500 psi (103 bar) |
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ELECTRICAL SYSTEM |
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Alternator |
Output - 100 amp |
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Battery |
Heavy Duty - 12 volt |
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PRIME FINISH |
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Lower Structure |
Shear Tar Epoxy Paint |
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Upper Structure |
Blue and White Epoxy Paint |
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Specifications subject to change without notice |
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January 2009 |
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