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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-5086A

  • 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-5086A

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
  • Near coaxial, aluminum housing
  • 7° down angle on output shaft
  • 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. 2
  • Flexible coupling for 14” flywheel (SAE J620 size 355)
  • Flexible coupling for 11.5” flywheel (SAE J620 size 290)
  •  EC600PC e-troll module and propulsion control system
  • Oil cooler with thermostatic bypass valve
  • Companion flange/ bolts set
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live PTO:
    • SAE J744 size 82-2, 16-4 (SAE “A”, 2-bolt, max. 58 Nm)
    • SAE J744 size 101-2/4, 22-4 (SAE “B”, 2/4-bolt, max. 197 Nm)
    • SAE J744 size 101-2/4, 25-4 (SAE “B-B”, 2/4-bolt, max. 337 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

1.06, 1.33, 1.53
1.77, 2.05, 2.28

530 kW
(710 hp)

460 kW
(617 hp)

351 kW
(471 hp)

301 kW
(404 hp)

262 kW
(351 hp)

2.53

492 kW
(660 hp)

460 kW
(617 hp)

351 kW
(471 hp)

301 kW
(404 hp)

262 kW
(351 hp)

2.88

447 kW
(600 hp)

418 kW
(560 hp)

340 kW
(456 hp)

273 kW
(366 hp)

262 kW
(351 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3200 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

54 mm (2.12”)

S

178 mm (7.00”)

F

405 mm (15.97”)

L

254 mm (10.00”)

R

254 mm (10.00”)

A

7°

Weight

135 kg *

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

Publications:
Installation Drawings:

Drawing Number

Input Connection

Control Valve

Heat Exchanger

PTO

Notes

Download

PX13064

SAE #1 / 14″

electric, EC300 interface

Yes

SAE B (live)

SAE #4 output flange mounting brackets

DWG
SLDPRT

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MARINE TRANSMISSION SELECTOR

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