Standard (MG) Marine Transmissions Archives

Marine Transmissions

Standard (MG)

Down Angle – Vertical Offset – V-Drive

Down Angle

STANDARD TRANSMISSION

MG-5075A

Standard Equipment Options INPUT RATINGS DIMENSIONS & WEIGHT

Standard Equipment

Near coaxial, aluminum housing
7° down angle on output shaft
Mechanical control valve
Oil strainer

Options

SAE J617 housing no. 1
SAE J617 housing no. 2
SAE J617 housing no. 3
Flexible coupling for 14” flywheel (SAE J620 size 355)
Flexible coupling for 11.5” flywheel (SAE J620 size 290)
Input flange for freestanding installation
Electric control valve (12VDC or 24 VDC)
Mechanical trolling valve
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 101-2/4, 22-4 (SAE “B”, 2/4-bolt, max. 197 Nm)
- SAE J744 size 101-2/4, 25-4 (SAE “B-B”, 2/4-bolt, max. 337 Nm)

INPUT RATINGS

Reduction Ratios	Pleasure Craft	Light Duty	Intermediate Duty	Medium Duty	Continuous Duty
:1	@ 2500 RPM	@ 2300 RPM	@ 2100 RPM	@ 1800 RPM	@ 1800 RPM
1.06, 1.33, 1.53 1.77, 2.05	455 kW (610 hp)	368 kW (493 hp)	283 kW (380 hp)	205 kW (275 hp)	186 kW (249 hp)
2.53	410 kW (550 hp)	355 kW (476 hp)	268 kW (360 hp)	205 kW (275 hp)	186 kW (249 hp)
2.88	403 kW (540 hp)	348 kW (467 hp)	261 kW (350 hp)	205 kW (275 hp)	186 kW (249 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3500 rpm.

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	48 mm (1.91”)
S	178 mm (6.99”)
F	358 mm (14.11”)
L	254 mm (10.00”)
R	254 mm (10.00”)
A	7°
Weight	122 kg *

* dry weight, including SAE #2 housing and SAE 290 flexible coupling

Publications Installation Drawings

Publications

Product Bulletin Marine Product Guide Marine Capabilities

Installation Drawings

Drawing Number	Input Connection	Control Valve	Companion Flange	Heat Exchanger	PTO	Notes	Download
1026876	SAE #1 / 14″	mechanical				SAE #4 output flange	DWG IGS
1026876A	SAE #2 / 11.5″	mechanical				SAE #4 output flange	SLDPRT STEP IGS
1026876B	SAE #3 CAT / 11.5″	mechanical				SAE #4 output flange	STEP IGS
1026876C	SAE #3 CAT / 11.5″	mechanical				SAE #4 output flange	DWG SLDPRT STEP IGS

Vertical Offset

V-Drive

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Marine Transmissions

Standard (MG)

Down Angle

MG-5005A

MG-5025A

MG-5055A

MG-5050A

MG-5061A

MG-5065A

MG-5075A

MG-5082A

MG-6449A

STANDARD TRANSMISSION

MG-5075A

MG-6984A

MG-61242A

Vertical Offset

MG-340

MG-360

MG-5012SC

MG-5020SC

MG-5050SC

MG-5061SC

MG-5065SC

MG-5075SC

MG-5082SC

MG-5091SC

MG-5091DC

MG-540

MG-5506

MG-6600DC

MG-6984SC

MG-61242SC

MGN-1814V

MGN-1816V

MGN-1817V

MGN-1819V

V-Drive

MG-5050RV

MG-6449RV

MG-6984RV

MG-61242RV

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