See all Marine Transmissions
STANDARD TRANSMISSION

MG5061A

Standard Equipment
  • Vertical offset, cast iron housing
  • 7° down angle on output shaft
  • Mechanical control valve
  • Oil strainer
Options
  • SAE J617 no. 2 to SAE J617 no. 1 housing adaptor
  • SAE J617 housing no. 2
  • SAE J617 housing no. 3
  • SAE J617 housing no. 4
  • Flexible coupling for 14” flywheel (SAE J620 size 355)
  • Flexible coupling for 11.5” flywheel (SAE J620 size 290)
  • Flexible coupling for 10” flywheel (SAE J620 size 255)
  • Input flange for freestanding installation
  • Electric control valve (12VDC or 24 VDC)
  • Mechanical trolling valve
  • Oil cooler
  • 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. 35 Nm)
    • SAE J744 size 101-2/4, 22-4 (SAE “B”, 2/4-bolt, max. 197 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

@ 2800 RPM

@ 2800 RPM

@ 2500 RPM

@ 2100 RPM

@ 2100 RPM

1.13, 1.28, 1.54

1.75

345 kW
(463 hp)

313 kW
(420 hp)

239 kW
(320 hp)

157 kW
(211 hp)

142 kW
(190 hp)

2.00

345 kW
(463 hp)

300 kW
(402 hp)

239 kW
(320 hp)

157 kW
(211 hp)

142 kW
(190 hp)

2.47

321 kW
(430 hp)

300 kW
(402 hp)

239 kW
(320 hp)

147 kW
(197 hp)

133 kW
(178 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3300 rpm (5500 rpm in high speed configuration).

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

146 mm (5.75”)

S

107 mm (4.21”)

F

318 mm (12.53”)

L

213 mm (8.40”)

R

156 mm (6.16”)

A

7°

Weight

99 kg *

* dry weight, including SAE #3 housing and SAE 290 flexible coupling

Publications
Installation Drawings

Drawing Number

Input Connection

Control Valve

Companion Flange

Heat Exchanger

PTO

Notes

Download

1026225

SAE #3 / 11.5″

mechanical

DWG

1026225A

SAE #3

electric + trolling

Yes

SAE B (live)

mounting brackets

DWG

1026225B

SAE #3

mechanical

mounting brackets

DWG

1026225C

SAE #2

electric + trolling

Yes

SAE B (live)

mounting brackets

DWG

1026225D

SAE #2

mechanical

mounting brackets

DWG

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