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QUICKSHIFT®TRANSMISSION

MGX-6848SC

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
• Mounted oil cooler for raw water cooling
• Oil strainer and oil filter

Options

• SAE J617 housing no. 0
• SAE J617 housing no. 00
• Flexible coupling for 18″ flywheel (SAE J620 size 460)
• Flexible coupling for 21″ flywheel (SAE J620 size 530)
• Input hub for freestanding installation
• Mechanical control valve
• EC600 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 127-2/4, 32-4 (SAE “C”, 2/4-bolt) – max. 592 Nm
SAE J744 size 127-2/4, 38-4 (SAE “C-C”, 2/4-bolt) – max. 1187 Nm
• Hydraulic clutchable pump mount PTO
SAE J744 size 127-2/4, 32-4 (SAE “C”, 2/4-bolt) – max. 592 Nm
SAE J744 size 127-2/4, 38-4 (SAE “C-C”, 2/4-bolt) – max. 1187 Nm
• Dry weight including SAE no. 0 housing and SAE 460 flexible coupling: 1001 kg

Input Ratings

Reduction Ratios
:1

Intermediate Duty

Intermediate Duty

Medium Duty

Medium Duty

Continuous Duty

Continuous Duty

@ 1800 RPM

@ 2100 RPM

@ 1600 RPM

@ 1800 RPM

@ 1600 RPM

@ 1800 RPM

1.51, 1.88, 2.03
2.37, 2.47, 2.58
2.93

1342 kW
(1800 hp)

1566 kW
(2100 hp)

1187 kW
(1592 hp)

1342 kW
(1800 hp)

1111 kW
(1490 hp)

1250 kW
(1676 hp)

3.21

1269 kW
(1702 hp)

1453 kW
(1948 hp)

1103 kW
(1479 hp)

1226 kW
(1644 hp)

1074 kW
(1440 hp)

1194 kW
(1601 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2300 rpm (2500 rpm for ratios 2.47:1, 2.93:1 and 3.21:1).

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

310 mm (12.20″)

S

300 mm (11.81″)

F

758 mm (29.83″)

L

440 mm (17.32″)

R

440 mm (17.32″)

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

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