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Marine Transmissions

Standard (MG)

Down Angle  – Vertical Offset – V-Drive

Down Angle

MG-5005A

Duty

Ratio :1 to 2.47

Pleasure

up to 110 kW (80 hp) @3600 rpm

Continuous

up to 49 kW (44 hp) @2500 rpm

MG-5025A

Duty

Ratio :1 to 2.40

Pleasure

up to 180 kW (165 hp) @3600 rpm

Continuous

up to 82 kW (90 hp) @2500 rpm

MG-5055A

Duty

Ratio :1 to 2.60

Pleasure

298 kW (236 hp) @3600 rpm

Continuous

up to 146 kW (103 hp) @2500 rpm

MG-5050A

Duty

Ratio :1 to 2.50

Pleasure

up to 272 kW (320 hp) @2800RPM

Light

up to 254 kW (299 hp) @2800RPM

Medium

up to 128 kW (172 hp) @2100RPM

Continuous

up to 116 kW (156 hp) @2100RPM

MG-5061A

Duty

Ratio :1 to 2.47

Pleasure

up to 345 kW (430hp) @2800RPM

Light

up to 313 kW (402hp) @2800RPM

Medium

up to 157 kW (197hp) @2100RPM

Continuous

up to 142 kW (178hp) @2100RPM

MG-5065A

Duty

Ratio :1 to 2.43

Pleasure

up to 425 kW (536 hp) @2500RPM

Light

up to 376 kW (471 hp) @2300RPM

Medium

up to 227 kW (279 hp) @1800RPM

Continuous

up to 216 kW (267 hp) @1800RPM

MG-5075A

Duty

Ratio :1 to 2.88

Pleasure

up to 455 kW (540 hp) @2500RPM

Light

up to 368 kW (467 hp) @2300RPM

Medium

up to 205 kW (275 hp) @1800RPM

Continuous

up to 186 kW (249 hp) @1800RPM

MG-5082A

Duty

Ratio :1 to 2.88

Pleasure

up to 530 kW (600 hp) @2300RPM

Light

up to 460 kW (560 hp) @2300RPM

Medium

up to 301 kW (366 hp) @1800RPM

Continuous

up to 262 kW (351 hp) @1800RPM

MG-6449A

MG-6984A

Duty

Ratio :1 to 2.93

Pleasure

up to 2222 kW (2890 hp) @2100RPM

Light

up to 2102 kW (2661 hp) @2100RPM

Medium

up to 1384 kW (1784 hp) @1800RPM

Continuous

up to 1356 kW (1745 hp) @1800RPM

MG-61242A

Duty

Ratio :1 to 2.93

Pleasure

up to 2856 kW (3830 hp) @2100RPM

Light

up to 2743 kW (3432 hp) @2100RPM

Medium

up to 1973 kW (2543 hp) @1800RPM

Continuous

up to 1858 kW (2360 hp) @1800RPM

Vertical Offset

MG-340

Duty

Ratio :1 to 2.60

Pleasure

up to 26 kW (28 hp) @3600RPM

Continuous

up to 25 kW (16 hp) @2500RPM

MG-360

Duty

Ratio :1 to 2.83

Pleasure

up to 60 kW (39 hp) @3600RPM

Continuous

up to 31 kW (23 hp) @2500RPM

MG-5012SC

Duty

Ratio :1 to 2.78

Pleasure

up to 184 kW (134 hp) @3600RPM

Continuous

up to 102 kW (86 hp) @2500RPM

MG-5020SC

Duty

Ratio :1 to 2.94

Pleasure

up to 257 kW (201 hp) @3600RPM

Continuous

up to 144 kW (123 hp) @2500RPM

MG-5050SC

Duty

Ratio :1 to 3.00

Pleasure

up to 272 kW (310 hp) @2800RPM

Light

up to 254 kW (290 hp) @2800RPM

Medium

up to 128 kW (160 hp) @2100RPM

Continuous

up to 116 kW (145 hp) @2100RPM

MG-5061SC

Duty

Ratio :1 to 3.00

Pleasure

up to 345 kW (400 hp) @2800RPM

Light

up to 323 kW (374 hp) @2800RPM

Medium

up to 157 kW (197 hp) @2100RPM

Continuous

up to 142 kW (178 hp) @2100RPM

MG-5065SC

Duty

Ratio :1 to 2.43

Pleasure

up to 425 kW (536 hp) @2500RPM

Light

up to 376 kW (471 hp) @2300RPM

Medium

up to 227 kW (279 hp) @1800RPM

Continuous

up to 216 kW (267 hp) @1800RPM

MG-5075SC

Duty

Ratio :1 to 2.88

Pleasure

up to 455 kW (540 hp) @2500 RPM

Light

up to 368 kW (467 hp) @2300RPM

Medium

up to 205 kW (275 hp) @1800RPM

Continuous

up to 186 kW (249 hp) @1800RPM

MG-5082SC

Duty

Ratio :1 to 2.88

Pleasure

up to 530 kW (600 hp) @2300RPM

Light

up to 460 kW (560 hp) @2300RPM

Medium

up to 301 kW (366 hp) @1800RPM

Continuous

up to 262 kW (351 hp) @1800RPM

MG-5091SC

Duty

Ratio :1 to 3.33

Pleasure

up to 522 kW (600 hp) @2300RPM

Light

up to 471 kW (561 hp) @2300RPM

Medium

up to 274 kW (293 hp) @1800RPM

Continuous

up to 242 kW (275 hp) @1800RPM

MG-5091DC

Duty

Ratio :1 to 5.05

Pleasure

Contact Twin Disc

Light

Contact Twin Disc

Medium

up to 262 kW(281 hp) @1800RPM

Continuous

up to 242 kW(275 hp) @1800RPM

MG-540

Duty

Ratio :1 to 7.47

Medium

up to 1180 kW (959 hp) @1800RPM

Continuous

up to 1180 kW (959 hp) @1800RPM

STANDARD TRANSMISSION

MG-540

Standard Equipment
  • Vertical offset, cast iron housing
  • SAE J617 housing no. 0
  • Electric GP-valve with manual override
  • EC600PC profile module – interface for engagement signals
  • Oil strainer and oil filter
  • Companion flange/bolt set
Options
  • 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
  • EC600PC propulsion control system
  • Mechanical control valve
  • Oil cooler for raw or fresh water cooling
  • Special companion flange/bolts set for shaft brake application
  • Monitoring devices to customer’s specification
  • Mounting brackets
INPUT RATINGS

Reduction Ratios

Intermediate Duty

Intermediate Duty

Medium Duty

Medium Duty

Continuous Duty

Continuous Duty

:1

@ 1600 RPM

@ 1800 RPM

@ 1600 RPM

@ 1800 RPM

@ 1600 RPM

@ 1800 RPM

1.93, 2.58, 2.90

1049 kW
(1407 hp)

1180 kW
(1582 hp)

1049 kW
(1407 hp)

1180 kW
(1582 hp)

1049 kW
(1407 hp)

1180 kW
(1582 hp)

3.26

1049 kW
(1407 hp)

1180 kW
(1582 hp)

1034 kW
(1387 hp)

1163 kW
(1560 hp)

1034 kW
(1387 hp)

1163 kW
(1560 hp)

3.91

893 kW
(1198 hp)

1011 kW
(1356 hp)

864 kW
(1159 hp)

972 kW
(1303 hp)

864 kW
(1159 hp)

972 kW
(1303 hp)

4.10, 4.60

1049 kW
(1407 hp)

1180 kW
(1582 hp)

1049 kW
(1407 hp)

1180 kW
(1582 hp)

1049 kW
(1407 hp)

1180 kW
(1582 hp)

5.17

1038 kW
(1392 hp)

1168 kW
(1566 hp)

1032 kW
(1384 hp)

1161 kW
(1557 hp)

1032 kW
(1384 hp)

1161 kW
(1557 hp)

6.18

867 kW
(1163 hp)

975 kW
(1307 hp)

859 kW
(1152 hp)

969 kW
(1300 hp)

859 kW
(1152 hp)

969 kW
(1300 hp)

7.00

766 kW
(1027 hp)

895 kW
(1200 hp)

762 kW
(1022 hp)

895 kW
(1200 hp)

762 kW
(1022 hp)

895 kW
(1200 hp)

7.47

718 kW
(963 hp)

808 kW
(1084 hp)

715 kW
(959 hp)

804 kW
(1078 hp)

715 kW
(959 hp)

804 kW
(1078 hp)

* Ratings shown for use with standard right hand rotation engines. Contact Twin Disc for the maximum allowable rated engine speed.

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

205 mm (8.08”)

S

342 mm (13.45”)

F

926 mm (36.47”)

L

406 mm (16.00”)

R

406 mm (16.00”)

Weight

2019 kg *

* dry weight, including SAE #0 housing and SAE 460 flexible coupling

Publications

MG-5506

Duty

Ratio :1 to 6.00

Medium

up to 1489 kW (1605 hp) @1800RPM

Continuous

up to 1406 kW (1515 hp) @1800RPM

MG-6600DC

Duty

Ratio :1 to 6.05

Pleasure

up to 1446 kW (1450 hp) @2300RPM

Light

up to 1289 kW (1237 hp) @2300RPM

Medium

up to 765 kW (765 hp) @1800RPM

Continuous

up to 716 kW (713 hp) @1800RPM

MG-6984SC

Duty

Ratio :1 to 3.43

Light

up to 2222 kW (2077 hp) @2100RPM

Medium

up to 1353 kW (1239 hp) @1800RPM

Continuous

up to 1326 kW (1211 hp) @1800RPM

MG-61242SC

Duty

Ratio :1 to 2.96

Pleasure

up to 2856 kW (3681 hp) @2100RPM

Light

up to 2709 kW (3432 hp) @2100RPM

Medium

up to 1973 kW (2551 hp) @1800RPM

Continuous

up to 1875 kW (2360 hp) @1800RPM

MGN-1814V

Duty

Ratio :1 to 4.22

Continuous

up to 2350 kW (2076 hp) @1800RPM

MGN-1816V

Duty

Ratio :1 to 5.91

Continuous

up to 2350 kW (2012 hp) @1800RPM

MGN-1817V

Duty

Ratio :1 to 7.59

Continuous

up to 2350 kW (2076 hp) @1800RPM

MGN-1819V

Duty

Ratio :1 to 9.27

Continuous

up to 2350 kW (2076 hp) @1800RPM

V-Drive

MG-5050RV

Duty

Ratio :1 to 2.50

Pleasure

up to 272 kW (320 hp) @2800RPM

Light

up to 254 kW (299 hp) @2800RPM

Medium

up to 128 kW (172 hp) @2100RPM

Continuous

up to 116 kW (156 hp) @2100RPM

MG-6449RV

Duty

Ratio :1 to

Pleasure

up to 1104 kW (1050 hp) @2300RPM

Light

up to 1072 kW (933 hp) @2300RPM

Medium

up to 741 kW (656 hp) @1800RPM

Continuous

up to 695 kW (601 hp) @1800RPM

MG-6984RV

Duty

Ratio :1 to 2.93

Pleasure

up to 2222 kW (2890 hp) @2100RPM

Light

up to 2101 kW (2661 hp) @2100RPM

Medium

up to 1384 kW (1784 hp) @1800RPM

Continuous

up to 1356 kW (1745 hp) @1800RPM

MG-61242RV

Duty

Ratio :1 to

Pleasure

up to 2856 kW (3650 hp) @2100RPM

Light

up to 2743 kW (3432 hp) @2100RPM

Medium

up to 1973 kW (2543 hp) @1800RPM

Continuous

up to 1858 kW (2360 hp) @1800RPM

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