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Marine Transmissions for Serial Hybrid and Diesel Electric Propulsion

MG-5075A

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 – 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 @ 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)

2.88

403 kW

(540 hp)

348 kW

(467 hp)

261 kW

(350 hp)

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

DIMENSIONS & WEIGHT

Near Coaxial Down Angle Dimensions
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
Weight 122 kg *

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

Installation Drawings:

Drawing Number Input Connection Control Valve Companion Flange Heat Exchanger PTO Notes Download
1026876SAE #1 / 14"mechanicalSAE #4 output flangeDWG IGES
1026876ASAE #2 / 11.5"mechanicalSAE #4 output flangeSLDPRT STEP IGES
1026876BSAE #3 CAT / 11.5"mechanicalSAE #4 output flangeSTEP IGES
1026876CSAE #3 / 11.5"mechanicalSAE #4 output flangeDWG SLDPRT STEP IGES