QUICKSHIFT®TRANSMISSION MGX-5170DC

 

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 
• 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. 0 
• Flexible coupling for 14” flywheel (SAE J620 size 355) 
• 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 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
3.12, 3.54, 4.06	537 kW	578 kW	475 kW	537 kW	448 kW	507 kW
4.50, 5.03, 5.95	(720 hp)	(775 hp)	(637 hp)	(720 hp)	(601 hp)	(680 hp)
6.53, 6.95	467 kW	545 kW	415 kW	459 kW	408 kW	459 kW
	(626 hp)	(731 hp)	(557 hp)	(615 hp)	(547 hp)	(615 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.

 

 

 

 

C	385 mm (15.15”)
S	365 mm (14.35”)
F	573 mm (22.55”)
L	381 mm (15.00”)
R	381 mm (15.00”)
Weight	850 kg *

 

 

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

• QuickShift_Brochure.pdf
• MGX-5170_DC_Bulletin.pdf