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Marine Transmissions for Serial Hybrid and Diesel Electric Propulsion

MGX-5225DC

Standard Equipment

  • Vertical offset, nodular 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 for raw and fresh water cooling
  • 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 Medium Duty Continuous Duty
:1 @ 1800 RPM @ 2100 RPM @ 1600 RPM @ 1800 RPM @ 1600 RPM @ 1800 RPM

4.03, 4.59, 5.04

5.57, 6.10

727 kW

(975 hp)

858 kW

(1151 hp)

644 kW

(864 hp)

727 kW

(975 hp)

633 kW

(849 hp)

716 kW

(960 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.

DIMENSIONS & WEIGHT

Vertical Offset Dimensions
C 400 mm (15.75”)
S 384 mm (15.13”)
F 637 mm (25.08”)
L 406 mm (16.00”)
R 406 mm (16.00”)
Weight 1046 kg *

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

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.

Publications:

Description Download
Product BulletinPDF
Marine Product GuidePDF
Marine CapabilitiesPDF
QuickShift® BrochurePDF

Installation Drawings:

Drawing Number Input Connection Control Valve Companion Flange Heat Exchanger PTO Notes Download
1026196SAE #0mech. (MG-5225DC)
1025541SAE #0electric, EC050DWG
1025541ASAE #1electric, EC050DWG
1025541BFreestandingelectric, EC050DWG
1025541CFreestandingelectric, EC050DWG
1025541DFreestandingelectric, EC300 interfaceYesYesSLDPRT
1025541ESAE #0electric, EC300 interfaceYesDWG STEP IGES