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MG-5091DC

Standard Equipment

  • Vertical offset, cast iron housing
  • Mechanical control valve
  • Oil strainer

Options

  • SAE J617 housing no. 1
  • SAE J617 housing no. 2
  • 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
  • Oil filter mounted
  • Companion flange/ bolts set
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live PTO:
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 592 Nm)
  • Hydraulic clutchable PTO:
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt, max. 415 Nm)
    • Shaft with key (max. 415 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 @ 2300 RPM @ 2300 RPM @ 2100 RPM @ 1800 RPM @ 1800 RPM
3.82 Contact Twin Disc Contact Twin Disc

321 kW

(431 hp)

262 kW

(351 hp)

242 kW

(325 hp)

4.50

298 kW

(400 hp)

5.05

251 kW

(336 hp)

210 kW

(281 hp)

205 kW

(275 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3000 rpm.

DIMENSIONS & WEIGHT

Vertical Offset
C 241 mm (9.49”)
S 244 mm (9.60”)
F 459 mm (18.09”)
L 282 mm (11.12”)
R 282 mm (11.12”)
Weight 297 kg *

* dry weight, including SAE #1 housing and SAE 355 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