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Marine Transmissions for Serial Hybrid and Diesel Electric Propulsion

MGX-5114SC-HD

Standard Equipment

  • Vertical offset, cast iron housing
  • SAE J617 housing no. 1
  • 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
1.02, 1.12
1.50, 1.74, 2.04

673 kW

(902 hp)

629 kW

(843 hp)

504 kW

(676 hp)

394 kW

(528 hp)

358 kW

(480 hp)

2.54

466 kW

(625 hp)

3.00

578 kW

(775 hp)

540 kW

(724 hp)

451 kW

(605 hp)

361 kW

(484 hp)

328 kW

(440 hp)

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

DIMENSIONS & WEIGHT

Vertical Offset Dimensions
C 190 mm (7.47”)
S 161 mm (6.33”)
F 483 mm (19.00”)
L 279 mm (11.00”)
R 279 mm (11.00”)
Weight 286 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
PX13251SAE #1 / 14"mech. + troll. (MG-5114SC-HD)YesYesSAE C (live)DWG
PX13252SAE #1 / 14"electric, EC050YesYesSAE C (live)
PX13252AGWB 587.35electric, EC050YesYesSAE C (live)IGES
PX13252BFreestandingelectric, EC050YesYesSAE C (live)DWG STEP IGES