QUICKSHIFT®TRANSMISSION

MGX-5146SC

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 18” flywheel (SAE J620 size 460)
  • Input flange for freestanding installation
  • Mechanical control valve
  • 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, 22-4 (SAE “B”, 2-bolt, max. 197 Nm)
    • SAE J744 size 101-2, 25-4 (SAE “B-B”, 2-bolt, max. 337 Nm)
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 592 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

@ 2300 RPM

@ 2300 RPM

@ 2100 RPM

@ 1800 RPM

@ 1800 RPM

1.20, 1.33
1.48, 1.57, 1.75
1.96

1142 kW
(1531 hp)

974 kW
(1306 hp)

806 kW
(1081 hp)

671 kW
(900 hp)

612 kW
(821 hp)

1.03

1045 kW (1401 hp)

846 kW (1134 hp)

758 kW (1016 hp)

640 kW (858 hp)

612 kW (821 hp)

2.50

952 kW

(1277 hp)

895 kW
(1200 hp)

702 kW
(941 hp)

552 kW
(740 hp)

537 kW
(720 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 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

206 mm (8.12”)

S

179 mm (7.04”)

F

572 mm (22.52”)

L

305 mm (12.01”)

R

305 mm (12.01”)

Weight

344 kg *

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

Publications:
Installation Drawings:

Drawing Number

Input Connection

Control Valve

Companion Flange

Heat Exchanger

PTO

Download

1027905

SAE #1 / 14″

mech. (MG-5146SC)

STEP
IGS

1027662

SAE #1 / 14″

electric, EC050

DWG
STEP
IGS

1027662A

SAE #0 / 18″

electric, EC050

SAE A (live)

DWG
STEP
IGS

1027662B

Freestanding

electric, EC050

DWG
IGS

1027662C

SAE #1 / 14″

electric, EC300 interface

Yes

Yes

SAE C (live)

Locate SALES AND SERVICE

AROUND THE GLOBE

Trained experts and original parts available from 250 distributor sales and service locations in 83 countries.

LOCATE

BACK TO FILTERS COLLAPSE RESULTS

HAVE A NEED FOR OUR PRODUCTS AND SERVICES?

PUT THE POWER OF TWIN DISC TO WORK FOR YOU

Looking for a power transmission technology solution for your specific application? Twin Disc is more than ready to put horsepower to work for you.

I'D LIKE TO CONNECT