QUICKSHIFT®TRANSMISSION

MGX-516

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, cast iron housing
  • SAE J617 housing no. 1
  • Electric GP-valve with manual override
  •  EC600PC profile module – interface for engagement signal
  • Oil strainer and oil filter
Options
  • SAE J617 no. 1 to SAE J617 no. 0 housing adaptor
  • 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 with thermostatic bypass valve
  • Companion flange/ bolts set
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live PTO:
    • 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)
    • 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

Intermediate Duty

Intermediate Duty

Medium Duty

Medium Duty

Continuous Duty

Continuous Duty

:1

@ 1800 RPM

@ 2100 RPM

@ 1600 RPM

@ 1800 RPM

@ 1600 RPM

@ 1800 RPM

3.06

530 kW
(711 hp)

573 kW
(768 hp)

397 kW
(532 hp)

447kW
(600 hp)

397 kW
(532 hp)

447kW
(600 hp)

3.50

518 kW
(695 hp)

549 kW
(736 hp)

397 kW
(532 hp)

447kW
(600 hp)

397 kW
(532 hp)

447kW
(600 hp)

4.04

494 kW
(662 hp)

521 kW
(699 hp)

397 kW
(532 hp)

447kW

(600 hp)

397 kW
(532 hp)

447kW
(600 hp)

4.52

484 kW
(649 hp)

510 kW
(684 hp)

397 kW
(532 hp)

447kW
(600 hp)

397 kW
(532 hp)

447kW
(600 hp)

5.05

468 kW
(628 hp)

492 kW
(660 hp)

397 kW
(532 hp)

447kW
(600 hp)

397 kW
(532 hp)

447kW
(600 hp)

6.00

419 kW
(562 hp)

470 kW
(630 hp)

365 kW
(489 hp)

406 kW
(544 hp)

365 kW
(489 hp)

406 kW
(544 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

338 mm (13.29”)

S

324 mm (12.77”)

F

523 mm (20.59”)

L

356 mm (14.00”)

R

356 mm (14.00”)

Weight

720 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

Notes

Download

1026198

SAE #1 / 14″

mech. (MG-516)

1026198A

SAE #1 / 14″

mech. (MG-516)

DWG

1026198B

Freestanding

mech. (MG-516)

Yes

1026198C

SAE #0 / 14″

mech. (MG-516)

DWG

1026197

SAE #1 / 14″

electric, EC050

1026197A

SAE #1 / 14″

electric, EC050

DWG

1026197B

Freestanding

electric, EC050

Yes

1026197C

SAE #1

mech. (MG-516)

Yes

Yes

1026197D

SAE #1

mech. (MG-516)

Yes

Yes

DWG
DWG
DWG

1026197E

SAE #1 / 14″

electric, EC050

SAE C (clutchable)

DWG
DWG
DWG

1026197F

SAE #1

mech. (MG-516)

Yes

Yes

SAE C (clutchable)

mounting brackets

DWG
DWG
DWG

1026197G

SAE #1

electric, EC300 interface

Yes

SAE C (clutchable)

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