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-61500SC-HL/HR

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
  • Horizontal offset, aluminum housing
  • Input hub for freestanding installation
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • Mounted oil cooler for raw water cooling
  • Oil strainer and oil filter
Options
  • EC600PC e-troll module and propulsion 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

WATERJET PROPULSION – KILOWATTS (KW) (HORSEPOWER (HP))*

For service classification definitions and important notes refer to the Twin Disc Marine Product Guide or contact Twin Disc directly. Please contact Twin Disc for special rating approvals.

Reduction Ratios **

Medium Duty

Medium Duty

Medium Duty

:1

@ 1200 RPM

@ 1600 RPM

@ 1800 RPM

1.84, 1.98, 2.18 2.26, 2.56, 2.97

2079 kW
(2788 hp)

2339 kW
(3137 hp)

2729 kW
(3660 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2100 rpm. ** Additional ratios will be made available upon request.

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

460 mm (18.11”)

S

619 mm (24.36”)

F

1017 mm (40.04”)

L

397 mm (15.63”)(HL) / 745 mm (29.33”)(HR)

R

745 mm (29.33”)(HL) / 397 mm (15.63”)(HR)

Weight

Weight 2195 kg *

* dry weight, including input flange

Publications
Installation Drawings

Drawing Number

Input Connection

Control Valve

Companion Flange

Heat Exchanger

PTO

Notes

Download

1025259

Freestanding

electric, EC050

Yes

MGX-61500SC-HL mounting brackets trailing pump

SLDPRT

1025259A

Freestanding

electric, EC050

MGX-61500SC-HL mounting brackets trailing pump

DWG SLDPRT

1025259B

Freestanding

electric, EC050

SAE B (live)

MGX-61500SC-HL mounting brackets trailing pump

DWG

1025260

Freestanding

electric, EC050

Yes

MGX-61500SC-HR mounting brackets trailing pump

DWG SLDPRT

1025260A

Freestanding

electric, EC050

MGX-61500SC-HR mounting brackets trailing pump

DWG SLDPRT

1025260B

Freestanding

electric, EC050

SAE B (live)

MGX-61500SC-HR mounting brackets trailing pump

DWG

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