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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.

MGX-5204SC

  • Select Product
  • Down Angle
    • MGX-5065A
    • MGX-5075A
    • MGX-5086A
    • MGX-5096A
    • MGX-5126A
    • MGX-5136A
    • MGX-5146A
    • MGX-6599A
    • MGX-6620A
  • Vertical Offset
    • MGX-5065SC
    • MGX-5075SC
    • MGX-5086SC
    • MGX-5114SC
    • MGX-5114SC-HD
    • MGX-5114DC
    • MGX-5136SC
    • MGX-5146SC
    • MGX-516
    • MGX-5170DC
    • MGX-5202SC
    • MGX-5204SC
    • MGX-5222DC
    • MGX-5225DC
    • MGX-5321DC
    • MGX-5600
    • MGX-6598DC
    • MGX-6599SC
    • MGX-6620SC
    • MGX-6690SC
    • MGX-61000SC
    • MGX-61500SC
    • MGX-6848SC
    • MGX-6848SC
    • MGX-5600DR
  • V-Drive
    • MGX-5114RV
    • MGX-5136RV
    • MGX-5146RV
    • MGX-6599RV
    • MGX-6620RV
    • MGX-5136RV
  • Horizontal Offset
    • MGX-61500SC-HL/HR

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.

Select Product

  • Select Product
  • Down Angle
    • MG-5005A
    • MG-5025A
    • MG-5055A
    • MG5050A
    • MG5061A
    • MG5065A
    • MG5075A
    • MG5082A
    • MG6449A
    • MG6984A
    • MG61242A
  • Vertical Offset
    • MG340
    • MG360
    • MG5012SC
    • MG5020SC
    • MG5050SC
    • MG5061SC
    • MG5065SC
    • MG5075SC
    • MG5082SC
    • MG5091SC
    • MG5091DC
    • MG540
    • MG5506
    • MG6600DC
    • MG6984SC
    • MG61242SC
    • MGN1814V
    • MGN1816V
    • MGN1817V
    • MGN1819V
  • V-Drive
    • MG5050RV
    • MG6449RV
    • MG6984RV
    • MG61242RV

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.

Select Product

  • Select Product
  • MGE-5065SC
  • MGE-5126SC
  • MGE-5204SC
  • MGX-5321DC Hybrid Ready
QUICKSHIFT®TRANSMISSION

MGX-5204SC

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, aluminum housing
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • 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 14” flywheel (SAE J620 size 355)
  • Input flange for freestanding installation
  • Mechanical control valve
  • EC600PC e-troll module and propulsion control system
  • Oil cooler for raw and fresh water cooling
  • Companion flange/ bolts set
  • 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. 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

Pleasure Craft

Light Duty

Intermediate Duty

Medium Duty

Continuous Duty

:1

@ 2300 RPM

@ 2300 RPM

@ 2100 RPM

@ 1800 RPM

@ 1800 RPM

1.17, 1.33, 1.53

1.76, 2.03, 2.48
2.92

1104 kW
(1480 hp)

979 kW
(1313 hp)

858 kW
(1151 hp)

716 kW
(960 hp)

716 kW
(960 hp)

3.48

1081 kW
(1450 hp)

837 kW
(1122 hp)

720 kW
(966 hp)

600 kW
(805 hp)

600 kW
(805 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2750 rpm (2500 rpm for ratio 1.17:1).

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

248 mm (9.75”)

S

222 mm (8.75”)

F

595 mm (23.41”)

L

375 mm (14.75”)

R

267 mm (10.50”)

Weight

410 kg *

* dry weight, including SAE #1 housing and SAE 355 flexible coupling

Publications:
Installation Drawings:

Drawing Number

Input Connection

Control Valve

Download

1027458

SAE #0

mech. (MG-5204SC)

DWG
STEP
IGS

1027458A

SAE #0

mech. (MG-5204SC)

DWG
IGS

1027458B

Freestanding

mech. (MG-5204SC)

DWG
STEP
IGS

1026242

SAE #0

electric, EC050

DWG

1026242A

SAE #0

electric, EC050

DWG

1026242B

Freestanding

electric, EC050

DWG

1026242C

Freestanding

electric, EC300 interface

FIND THE TRANSMISSION THAT FITS YOUR NEEDS

MARINE TRANSMISSION SELECTOR

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