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QUICKSHIFT®TRANSMISSION

MGX-6599A

The perfect propulsion system starts with 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
  • 10° down angle on output shaft
  • 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
  • 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
  • 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
  • Secondary live PTO for power steering pumps
    • SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt) – max. 75 Nm or
    • SAE J744 size 82-2, 16-4 (SAE “A”, 2-bolt) – max. 75 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

1.34, 1.51, 1.74
2.03, 2.24

1418 kW
(1902 hp)

1301 kW
(1745 hp)

992 kW
(1330 hp)

820 kW
(1100 hp)

767 kW
(1029 hp)

2.48

1343 kW
(1801 hp)

1195 kW
(1602 hp)

937 kW
(1257 hp)

772 kW
(1035 hp)

728 kW
(976 hp)

2.80

1156 kW
(1550 hp)

1144 kW
(1534 hp)

908 kW
(1218 hp)

709 kW
(951 hp)

699 kW
(937 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

297 mm (11.70”)

S

159 mm (6.25”)

F

574 mm (22.60”)

L

340 mm (13.39”)

R

340 mm (13.39”)

A

10°

Weight

488 kg *

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

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