QUICKSHIFT®TRANSMISSION

MGX-5126A

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
  • SAE J617 housing no. 1
  • 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
  • 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 82-2, 16-4 (SAE “A”, 2-bolt, max. 58 Nm)
    • SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt, max. 209 Nm)
    • SAE J744 size 101-2, 25-4 (SAE “B-B”, 2-bolt, max. 338 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

1.03, 1.20, 1.48
1.75, 1.92, 2.04

783 kW
(1050 hp)

732 kW
(982 hp)

466 kW
(625 hp)

357 kW
(479 hp)

347 kW
(465 hp)

2.50

673 kW
(902 hp)

629 kW
(843 hp)

400 kW
(536 hp)

338 kW
(453 hp)

321 kW
(430 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3000 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 (8.11”)

S

130 mm (5.13”)

F

547 mm (21.53”)

L

279 mm (11.00”)

R

203 mm (8.00”)

A

Weight

241 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

PX13236

Freestanding

mech. (MG-5126A)

DWG

PX13236A

SAE #1 / 14″

mech. (MG-5126A)

DWG
STEP
IGS

1026597

SAE #1 / 14″

electric, EC050

DWG
SLDPRT
STEP
IGS

1026597A

SAE #1 / 14″

electric, EC300 interface

Yes

SAE B-B (live)

STEP

1026597B

SAE #1 (short) / 14″

electric, EC300 interface

Yes

SAE C (clutchable)

DWG

1026597C

SAE #1 (short) / 14″

electric, EC300 interface

DWG

1026597D

SAE #1 / 14″

electric, EC050

DWG
STEP
IGS

1026597E

SAE #1 / 14″

electric, EC050

Yes

SAE C (clutchable)

IGS

1026597G

SAE #1 / 14″

electric, EC050

mounting brackets

DWG
IGS

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