ALL THE POWER YOU DEMAND ON THE WATER

Transmissions

Twin Disc engineers more than 100 marine transmission models, from 35 to more than 4000 horsepower.

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QuickShift

Experience the world’s smoothest, fastest shifting—plus amazing slow speed control. QuickShift uses internal clutch actuation to deliver cushioned torque and optimum power in milliseconds, whether you nudge the throttle or go full out.


Standard

Twin Disc has built a worldwide reputation on our ability to design, develop, and manufacture efficient, reliable power transmission systems for a variety of vessels and applications.


Electric & Hybrid

These innovative marine transmissions for serial hybrid and diesel electric propulsion support greener power transmission while delivering the reliability you expect from Twin Disc.


QUICKSHIFT®TRANSMISSION

MGX-5600

The perfect propulsion system starts with the technology of Twin Disc’s QuickShift transmissions. This fully integrated system includes the transmission, clutch, valves, actuators and electronic controls resulting in fast, smooth clutch engagement, exceptional boat handling, precise speed control and an incredibly smooth ride.

Standard Equipment
  • Vertical offset, cast iron housing
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • Mounted oil cooler for raw or fresh water cooling
  • Oil strainer and oil filter
  • Companion flange/bolt set
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
  • Hydraulically operated internal shaft brake
  • Mechanical control valve
  • EC600PC e-troll module and propulsion control system
  • Output shaft driven trailing pump
  • Special companion flange/bolts set for shaft brake application
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live 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. 1187 Nm)
  • Hydraulic clutchable PTO:
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 600 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

Intermediate Duty

Medium Duty

Medium Duty

Continuous Duty

Continuous Duty

:1

@ 1800 RPM

@ 2100 RPM

@ 1600 RPM

@ 1800 RPM

@ 1600 RPM

@ 1800 RPM

2.53, 2.98, 3.51
4.03

1805 kW
(2421 hp)

2105 kW
(2823 hp)

1598 kW
(2143 hp)

1760 kW
(2360 hp)

1575 kW
(2112 hp)

1760 kW
(2360 hp)

4.63, 5.04

1805 kW
(2421 hp)

2095 kW
(2809 hp)

1598 kW
(2143 hp)

1760 kW
(2360 hp)

1575 kW
(2112 hp)

1760 kW
(2360 hp)

5.76

1760 kW
(2360 hp)

1770 kW
(2374 hp)

1566 kW
(2100 hp)

1737 kW
(2329 hp)

1566 kW
(2100 hp)

1737 kW
(2329 hp)

6.04

1502 kW
(2014 hp)

1717 kW
(2302 hp)

1309 kW
(1755 hp)

1451 kW
(1946 hp)

1271 kW
(1704 hp)

1410 kW
(1891 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2100 rpm.

DIMENSIONS & WEIGHT

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.

Enlarge

C

550 mm (21.65”)

S

540 mm (21.26”)

F

1026 mm (40.39”)

L

525 mm (20.67”)

R

525 mm (20.67”)

Weight

3132 kg *

* dry weight, including SAE #0 housing and SAE 460 flexible coupling

Publications:
Installation Drawings:

Drawing Number

Input Connection

Control Valve

Companion Flange

Heat Exchanger

Notes

Download

1028648

SAE #00 / 21″

mech. (MG-5600)

Yes

DWG
SLDPRT

1028648A

SAE #0 / 18″

mech. (MG-5600)

Yes

DWG
SLDPRT

1027247

SAE #00 / 21″

electric, EC300 interface

Yes

Yes

1027247A

SAE #0 / 18″

electric, EC300 interface

Yes

Yes

DWG
SLDPRT

1027247B

SAE #00 / 21″

electric, EC300 interface

Yes

Yes

internal shaft brake

DWG

1027247C

SAE #0 / 18″

electric, EC300 interface

Yes

Yes

internal shaft brake

DWG
SLDPRT

1027247D

Freestanding

electric, EC300 interface

Yes

Yes

internal shaft brake

DWG
SLDPRT

1027247E

Freestanding

electric, EC300 interface

Yes

Yes

mounting brackets

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