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Marine Transmissions

QuickShift (MGX)

Down Angle  – Vertical Offset – V-Drive – Horizontal Offset

Down Angle

MGX-5065A

Pleasure

up to 425 kW (536 hp) @2500 RPM

Light

up to 376 kW (471 hp) @2300 RPM

Medium

up to 227 kW (279 hp) @1800 RPM

Continuous

up to 216 kW (267 hp) @1800 RPM

MGX-5075A

Duty

Ratio :1 to 2.88

Pleasure

up to 455 kW (540 hp) @2500 rpm

Light

up to 368 kW (467 hp) @2300 rpm

Medium

up to 205 kW (275 hp) @1800 rpm

Continuous

up to 186 kW (249 hp) @1800 rpm

MGX-5086A

Duty

Ratio :1 to 2.88

Pleasure

up to 530 kW (600 hp) @2300 RPM

Light

up to 460 kW (560 hp) @2300 RPM

Medium

up to 301 kW (366 hp) @1800 RPM

Continuous

up to 262 kW (351 hp) @1800 RPM

QUICKSHIFT® TRANSMISSION

MGX-5065A

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.

MGX-5065A Quickshift Transmission
Standard Equipment
  • Vertical offset, 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
  • SAE J617 housing no. 3
  • Flexible coupling for 14” flywheel (SAE J620 size 355)
  • Flexible coupling for 11.5” flywheel (SAE J620 size 290)
  • Input flange for freestanding installation
  • 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

Reduction Ratios

Pleasure Craft

Light Duty

Intermediate Duty

Medium Duty

Continuous Duty

:1

@ 2500 RPM

@ 2300 RPM

@ 2100 RPM

@ 1800 RPM

@ 1800 RPM

1.08, 1.26, 1.47
1.72, 2.04

425 kW
(570 hp)

376 kW
(504 hp)

279 kW
(374 hp)

227 kW
(304 hp)

216 kW
(290 hp)

2.43

(536 hp)

(471 hp)

(341 hp)

(279 hp)

(267 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3600 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

170 mm (6.69”)

S

123 mm (4.84”)

F

329 mm (12.97”)

L

254 mm (10.00”)

R

165 mm (6.50”)

A

7°

Weight

111 kg *

* dry weight, including SAE #2 housing and SAE 290 flexible coupling

Publications
Installation Drawings:

Drawing Number

Input Connection

Control Valve

Download

1026215

SAE #1

electric, EC050

1026215A

SAE #3

electric, EC050

DWG

1026215B

SAE #2

electric, EC050

DWG

MGX-5096A

Duty

Ratio :1 to 2.48

Pleasure

up to 671 kW (800 hp) @2300 RPM

Light

up to 597 kW (750 hp) @2300 RPM

Medium

up to 319 kW (428 hp) @1800 RPM

Continuous

up to 298 kW (400 hp) @1800 RPM

MGX-5126A

Duty

Ratio :1 to 2.50

Pleasure

up to 783 kW (902 hp) @2300 rpm

Light

up to 732 kW (843 hp) @2300 rpm

Medium

up to 357 kW (453 hp) @1800 rpm

Continuous

up to 347 kW (430 hp) @1800 rpm

MGX-5136A

Duty

Ratio :1 to 2.52

Pleasure

up to 895 kW (1136 hp) @2300 rpm

Light

up to 746 kW (960 hp) @2300 rpm

Medium

up to 485 kW (650 hp) @1800 rpm

Continuous

up to 445 kW (597 hp) @1800 rpm

MGX-5146A

Duty

Ratio :1 to 2.50

Pleasure

up to 1142 kW (1360 hp) @2300 rpm

Light

up to 974 kW (1200 hp) @2300 rpm

Medium

up to 671 kW (740 hp) @1800 rpm

Continuous

up to 612 kW (720 hp) @1800 rpm

MGX-6599A

Duty

Ratio :1 to 2.80

Pleasure

up to 1418 kW (1550 hp) @2300 rpm

Light

up to 1301 kW (1534 hp) @2300 rpm

Medium

up to 820 kW (951 hp) @1800 rpm

Continuous

up to 767 kW (937 hp) @1800 rpm

MGX-6620A

Duty

Ratio :1 to 2.73

Pleasure

up to 1566 kW (2017 hp) @2300 rpm

Light

up to 1417 kW (1784 hp) @2300 rpm

Medium

up to 1021 kW (1120 hp) @1800 rpm

Continuous

up to 950 kW (1046 hp) @1800 rpm

Vertical Offset

MGX-5065SC

Duty

Ratio :1 to 2.43

Pleasure

up to 425 kW (536 hp) @2500 rpm

Light

up to 376 kW (471 hp) @2300 rpm

Medium

up to 227 kW (279 hp) @1800 rpm

Continuous

up to 216 kW (267 hp) @1800 rpm

MGX-5075SC

Duty

Ratio :1 to 2.88

Pleasure

up to 455 kW (540 hp) @2500 rpm

Light

up to 368 kW (467 hp) @2300 rpm

Medium

up to 205 kW (275 hp) @1800 rpm

Continuous

up to 186 kW (249 hp) @1800 rpm

MGX-5086SC

Duty

Ratio :1 to 2.88

Pleasure

up to 530 kW (600 hp) @2300 rpm

Light

up to 460 kW (560 hp) @2300 rpm

Medium

up to 301 kW (366 hp) @1800 rpm

Continuous

up to 262 kW (351 hp) @1800 rpm

MGX-5114SC

Duty

Ratio :1 to 3.00

Pleasure

up to 673 kW (775 hp) @2300 rpm

Light

up to 629 kW (725 hp) @2300 rpm

Medium

up to 395 kW (484 hp) @1800 rpm

Continuous

up to 358 kW (440 hp) @1800 rpm

MGX-5114SC-HD

Duty

Ratio :1 to 3.00

Pleasure

up to 673 kW (775 hp) @2300 rpm

Light

up to 629 kW (724 hp) @2300 rpm

Medium

up to 394 kW (484 hp) @1800 rpm

Continuous

up to 358 kW (440 hp) @1800 rpm

MGX-5114DC

Duty

Ratio :1 to 4.86

Pleasure

up to 673 kW (810 hp) @2300 rpm

Light

up to 629 kW (758 hp) @2300 rpm

Medium

up to 361 kW (484 hp) @1800 rpm

Continuous

up to 347 kW (465 hp) @1800 rpm

MGX-5136SC

Duty

Ratio :1 to 2.90

Pleasure

up to 895 kW (1000 hp) @2300 rpm

Light

up to 746 kW (900 hp) @2300 rpm

Medium

up to 485 kW (601 hp) @1800 rpm

Continuous

up to 445 kW (547 hp) @1800 rpm

MGX-5146SC

Duty

Ratio :1 to 2.50

Pleasure

up to 1142 kW (1277 hp) @2300 rpm

Light

up to 974 kW (1134 hp) @2300 rpm

Medium

up to 671 kW (740 hp) @1800 rpm

Continuous

up to 612 kW (720 hp) @1800 rpm

MGX-516

Duty

Ratio :1 to 6.00

Pleasure

up to 530 kW (562 hp) @1800 rpm

Medium

up to 447 kW (489 hp) @1800 rpm

Continuous

up to 447 kW (489 hp) @1800 rpm

MGX-5170DC

Duty

Ratio :1 to 6.95

Medium

up to 537 kW (557 hp) @1800 rpm

Continuous

up to 507 kW (547 hp) @1800 rpm

MGX-5202SC

Duty

Ratio :1 to 3.48

Pleasure

up to 969 kW (1073 hp) @2300 rpm

Light

up to 924 kW (1058 hp) @2300 rpm

Medium

up to 600 kW (805 hp) @1800 rpm

Continuous

up to 600 kW (805 hp) @1800 rpm

MGX-5204SC

Duty

Ratio :1 to 3.48

Pleasure

up to 1104 kW (1480 hp) @2300 rpm

Light

up to 979 kW (1313 hp) @2300 rpm

Medium

up to 716 kW (960 hp) @1800 rpm

Continuous

up to 716 kW (960 hp) @1800 rpm

MGX-5222DC

Duty

Ratio :1 to 6.96

Medium

up to 600 kW (724 hp) @1800 rpm

Continuous

up to 600 kW (724 hp) @1800 rpm

MGX-5225DC

Duty

Ratio :1 to 6.10

Medium

up to 727 kW (864 hp) @1800 rpm

Continuous

up to 716 kW (849 hp) @1800 rpm

MGX-5321DC

MGX-5600

Duty

Ratio :1 to 6.04

Medium

up to 1750 kW (1755 hp) @1800 rpm

Continuous

up to 1760 kW (1704 hp) @1800 rpm

MGX-6598DC

Duty

Ratio :1 to 4.43

Pleasure

up to 1462 kW (1572 hp) @2300 rpm

Light

up to 1278 kW (1415 hp) @2300 rpm

Medium

up to 824 kW (888 hp) @1800 rpm

Continuous

up to 771 kW (830 hp) @1800 rpm

MGX-6599SC

Duty

Ratio :1 to 2.82

Pleasure

up to 1452 kW (1550 hp) @2300 rpm

Light

up to 1244 kW (1397 hp) @2300 rpm

Medium

up to 774 kW (896 hp) @1800 rpm

Continuous

up to 744 kW (837 hp) @1800 rpm

MGX-6620SC

Duty

Ratio :1 to 2.72

Pleasure

up to 1566 kW (1971 hp)

Light

up to 1417 kW (1794 hp) @2300 rpm

Medium

up to 960 kW (1125 hp) @1800 rpm

Continuous

up to 898 kW (1053 hp) @1800 rpm

MGX-6690SC

Duty

Ratio :1 to 3.21

Reduction

up to 1380 kW (1611 hp) @2100 rpm

Medium

up to 1144 kW (1365 hp) @1800 rpm

Continuous

up to 1120 kW (1265 hp) @1800 rpm

MGX-61000SC

Duty

Ratio :1 to 3.39

Medium

up to 1678 kW (1500 hp) @1800 rpm

MGX-61500SC

Duty

Ratio :1 to 3.41

Medium

up to 2340 kW (1788 hp) @1800 rpm

MGX-6848SC

MGX-6848SC

MGX-5600DR

V-Drive

MGX-5114RV

Duty

Ratio :1 to 2.50

Pleasure

up to 673 kW (902 hp) @2300 rpm

Light

up to 629 kW (843 hp) @2300 rpm

Medium

up to 357 kW (453 hp) @1800 rpm

Continuous

up to 347 kW (430 hp) @1800 rpm

MGX-5136RV

Duty

Ratio :1 to 2.52

Pleasure

up to 895 kW (1136 hp) @2300 rpm

Light

up to 746 kW (960 hp) @2300 rpm

Medium

up to 485 kW (650 hp) @1800 rpm

Continuous

up to 445 kW (597 hp) @1800 rpm

MGX-5146RV

Duty

Ratio :1 to 2.50

Pleasure

up to 1142 kW (1360 hp) @2300 rpm

Light

up to 974 kW (1200 hp) @2300 rpm

Medium

up to 671 kW (740 hp) @1800 rpm

Continuous

up to 612 kW (720 hp) @1800 rpm

MGX-6599RV

Duty

Ratio :1 to 2.80

Pleasure

up to 1418 kW (1550 hp) @2300 rpm

Light

up to 1301 kW (1534 hp) @2300 rpm

Medium

up to 820 kW (951 hp) @1800 rpm

Continuous

up to 767 kW (937 hp) @1800 rpm

MGX-6620RV

Duty

Ratio :1 to 2.73

Pleasure

up to 1566 kW (2017 hp) @2300 rpm

Light

up to 1417 kW (1784 hp) @2300 rpm

Medium

up to 1021 kW (1120 hp) @1800 rpm

Continuous

up to 950 kW (1046 hp) @1800 rpm

MGX-5136RV

Horizontal Offset

QUICKSHIFT®TRANSMISSION

MGX-61500SC-HL/HR

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
  • Horizontal offset, aluminum housing
  • Input hub for freestanding installation
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • Mounted oil cooler for raw water cooling
  • Oil strainer and oil filter
Options
  • EC600PC e-troll module and propulsion control system
  • Oil cooler for fresh water cooling
  • Output shaft driven trailing pump
  • Companion flange/ bolts set
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live PTO:
    • SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt), max. 209 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

Reduction Ratios **

Medium Duty

Medium Duty

Medium Duty

:1

@ 1200 RPM

@ 1600 RPM

@ 1800 RPM

1.84, 1.98, 2.18 2.26, 2.56, 2.97

2079 kW
(2788 hp)

2339 kW
(3137 hp)

2729 kW
(3660 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2100 rpm. ** Additional ratios will be made available upon request.

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

460 mm (18.11”)

S

619 mm (24.36”)

F

1017 mm (40.04”)

L

397 mm (15.63”)(HL) / 745 mm (29.33”)(HR)

R

745 mm (29.33”)(HL) / 397 mm (15.63”)(HR)

Weight

Weight 2195 kg *

* dry weight, including input flange

Publications
Installation Drawings

Drawing Number

Input Connection

Control Valve

Companion Flange

Heat Exchanger

PTO

Notes

Download

1025259

Freestanding

electric, EC050

Yes

MGX-61500SC-HL mounting brackets trailing pump

SLDPRT

1025259A

Freestanding

electric, EC050

MGX-61500SC-HL mounting brackets trailing pump

DWG SLDPRT

1025259B

Freestanding

electric, EC050

SAE B (live)

MGX-61500SC-HL mounting brackets trailing pump

DWG

1025260

Freestanding

electric, EC050

Yes

MGX-61500SC-HR mounting brackets trailing pump

DWG SLDPRT

1025260A

Freestanding

electric, EC050

MGX-61500SC-HR mounting brackets trailing pump

DWG SLDPRT

1025260B

Freestanding

electric, EC050

SAE B (live)

MGX-61500SC-HR mounting brackets trailing pump

DWG

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