Sewart: Marine Based
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MGX-6690SC
Standard Equipment
- Vertical offset, aluminum housing
- Electric GP-valve with manual override
- EC050 Profile module – interface for engagement signals
- Mounted oil cooler for raw water cooling
- Oil strainer and oil filter
Options
- SAE J617 housing no. 0
- SAE J617 housing no. 00
- Flexible coupling for 18” flywheel (SAE J620 size 460)
- Flexible coupling for 21” flywheel (SAE J620 size 530)
- Input flange for freestanding installation
- Mechanical control valve
- EC050 E-Troll module – interface for engagement & trolling signals
- Harness with single point interface to Twin Disc EC300 control system
- Oil cooler for fresh water cooling
- Output shaft driven trailing pump
- Companion flange/ bolts set
- Monitoring devices to customer’s specification
- Mounting brackets
- Live PTO:
- SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt), max. 209 Nm
- SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 592 Nm)
- SAE J744 size 127-4, 38-4 (SAE “C-C”, 4-bolt, max. 1187 Nm)
- Hydraulic clutchable PTO:
- SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 592 Nm)
- SAE J744 size 127-4, 38-4 (SAE “C-C”, 4-bolt, max. 1186 Nm)
INPUT RATINGS – KILOWATTS (KW) (HORSEPOWER (HP))*
For service classification definitions and important notes refer to the Twin Disc Marine Product Guide or contact Twin Disc directly.
| Reduction Ratios | Intermediate Duty | Medium Duty | Continuous Duty | |||
|---|---|---|---|---|---|---|
| :1 | @ 1800 RPM | @ 2100 RPM | @ 1600 RPM | @ 1800 RPM | @ 1600 RPM | @ 1800 RPM |
|
1.51, 1.88, 2.03 2.37, 2.47, 2.81 |
1201 kW (1611 hp) |
1380 kW (1851 hp) |
1054 kW (1413 hp) |
1174 kW (1574 hp) |
1017 kW (1364 hp) |
1129 kW (1514 hp) |
| 2.93 |
1318 kW (1767 hp) |
1034 kW (1387 hp) |
1144 kW (1534 hp) |
977 kW (1310 hp) |
1069 kW (1375 hp) |
|
| 3.21 |
1280 kW (1716 hp) |
1018 kW (1365 hp) |
1119 kW (1501 hp) |
943 kW (1265 hp) |
1028 kW (1375 hp) |
|
* Ratings shown for use with standard right hand rotation engines.
The maximum allowable rated engine speed is 2300 rpm (2500 rpm for ratios 2.47:1, 2.93:1 and 3.21:1).
DIMENSIONS & WEIGHT
| C | 310 mm (12.20”) |
| S | 300 mm (11.81”) |
| F | 758 mm (29.83”) |
| L | 440 mm (17.32”) |
| R | 440 mm (17.32”) |
| Weight | Weight 1001 kg * |
* dry weight, including SAE #0 housing and SAE 460 flexible coupling
Specifications subject to change without prior notice in the interest of continual product improvement. Contact your local Twin Disc representative for engineering specifications, Survey Society Approvals and Classifications.