Sewart: Marine Based
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MGX-6620SC
Standard Equipment
- Vertical offset, aluminum housing
- Electric GP-valve with manual override
- EC050 Profile module – interface for engagement signals
- Integral oil cooler for raw water cooling
- Oil strainer and oil filter
Options
- SAE J617 housing no. 1
- SAE J617 housing no. 0
- Flexible coupling for 14” flywheel (SAE J620 size 355)
- Flexible coupling for 18” flywheel (SAE J620 size 460)
- Input flange for freestanding installation
- EC050 E-Troll module – interface for engagement & trolling signals
- Harness with single point interface to Twin Disc EC300 control system
- Output shaft driven trailing pump
- Companion flange/ bolts set
- Monitoring devices to customer’s specification
- Mounting brackets
- Live PTO
- SAE J744 size 101-2, 25-4 (SAE “B-B”, 2-bolt) – max. 337 Nm
- SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt) – max. 600 Nm
- Hydraulic Clutchable PTO
- SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt) – max. 600 Nm
- Secondary live PTO for power steering pumps
- SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt) – max. 75 Nm or
- SAE J744 size 82-2, 16-4 (SAE “A”, 2-bolt) – max. 75 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 | Pleasure Craft | Light Duty | Intermediate Duty | Medium Duty | Continuous Duty |
|---|---|---|---|---|---|
| :1 | @ 2300 RPM | @ 2300 RPM | @ 2100 RPM | @ 1800 RPM | @ 1800 RPM |
| 1.15 |
1566 kW (2100 hp) |
1338 kW (1794 hp) |
1166 kW (1564 hp) |
960 kW (1287 hp) |
898 kW (1204 hp) |
| 1.33, 1.53, 1.73 |
1417 kW (1900 hp) |
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| 2.03 |
1142 kW (1531 hp) |
935 kW (1254 hp) |
879 kW (1179 hp) |
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| 2.32 |
1136 kW (1523 hp) |
874 kW (1172 hp) |
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| 2.44 |
1100 kW (1475 hp) |
906 kW (1215 hp) |
847 kW (1136 hp) |
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| 2.72 |
1470 kW (1971 hp) |
1338 kW (1794 hp) |
1019 kW (1366 hp) |
839 kW (1125 hp) |
785 kW (1053 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.
DIMENSIONS & WEIGHT
| C | 235 mm (9.25”) |
| S | 235 mm (9.25”) |
| F | 698 mm (27.48”) |
| L | 340 mm (13.39”) |
| R | 340 mm (13.39”) |
| Weight | 575 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.