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Marine Transmissions for Serial Hybrid and Diesel Electric Propulsion

MGX-6848SC

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 flange for freestanding installation
  • Mechanical control valve
  • EC600PC profile module – interface for engagement signals
  • 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 127-4, 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

1.51, 1.88, 2.03

2.37, 2.47, 2.81

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

Vertical Offset Dimensions
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”)
Weight 1001 kg *

* dry weight, including SAE #0 housing and SAE 460 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
1025142SAE #00 (special)electric, EC050Yestrailing pumpDWG SLDPRT
1025142ASAE #0 / 18"electric, EC050trailing pumpDWG STEP IGES
1025142BSAE #00electric, EC050DWG
1025142CFreestandingelectric, EC050YesDWG
1025142DSAE #0 / 18"electric, EC050YesDWG SLDPRT
1025142ESAE #0 / 18"electric, EC050mounting brackets special monitoringDWG SLDPRT
1025142FSAE #00 / 21"electric, EC050YesDWG SLDPRT
1025142GSAE #00 / 21"electric, EC300 interfaceDWG SLDPRT
1025142HFreestandingelectric, EC050YesSAE C (live)SLDPRT STEP IGES
1025142JSAE #0 / 18"electric, EC300 interfaceYesYestrailing pumpSLDPRT IGES
1025142KSAE #0 / 18"electric, EC300 interfaceYesSAE C (live)trailing pump special monitoringDWG STEP IGES
1025142LFreestandingelectric, EC300 interfaceYestrailing pumpDWG STEP IGES
1025142MFreestandingelectric, EC300 interfaceYesDWG IGES