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.

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.


STANDARD TRANSMISSION

MG-6984RV

Standard Equipment
  • Remote V-drive, aluminum housing
  • 10° down angle on output shaft
  • Input flange
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • Integral oil cooler for raw water cooling
  • Oil strainer and oil filter
Options
  • EC600PC e-troll module and propulsion control system
  • Output shaft driven trailing pump
  • 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. 600 Nm
  • Hydraulic Clutchable PTO
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt) – max. 600 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

@ 2100 RPM

@ 2100 RPM

@ 1800 RPM

@ 1800 RPM

@ 1800 RPM

1.48, 1.97

2222 kW
(2980 hp)

2102 kW
(2819 hp)

1692 kW
(2269 hp)

1384 kW
(1856 hp)

1356 kW
(1818 hp)

2.50

2222 kW
(2980 hp)

2037 kW
(2732 hp

1692 kW
(2269 hp)

1384 kW
(1856 hp)

1356 kW
(1818 hp)

2.79

2207 kW
(2960 hp)

2016 kW
(2703 hp)

1692 kW
(2269 hp)

1384 kW
(1856 hp)

1356 kW
(1818 hp)

2.93

2155 kW
(2890 hp)

1984 kW
(2661 hp

1645 kW
(2206 hp)

1330 kW
(1784 hp)

1301 kW
(1745 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

382 mm (15.04”)

S

216 mm (8.50”)

F

300 mm (11.82”)

F1

784 mm (30.86”)

L

445 mm (17.52”)

R

445 mm (17.52”)

A

10°

Weight

910 kg *

* dry weight, including input flange

Publications
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