Twindisc mg 5091

Twin Disc MG-5091 Series Marine Transmission

The Twin Disc MG-5091 series consists of two models being the MG-5091SC & MG-5091DC (MG5091SC & MG5091DC). Palmer Johnson is North America’s leading distributor for all of your MG-5091 marine gear transmission needs. Whether you are needing a replacement marine gear transmission, parts to do the repair yourself, or if you are wanting the factory trained technicians of PJ’s service department to rebuild your Twin Disc MG-5091 transmission, we’ve got you covered. Contact us today and you’ll be back up and running in no time!


MG-5091 SC & MG-5091 DC

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)

Contact Us

Maximum 447 kW (600 hp) @ 2600 RPM [Pleasure Craft Duty]

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Authorized Distributor

Palmer Johnson is an authorized distributor and service provider for Twin Disc products.

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Service and Support

Seven master rebuild centers, nine full-service centers, and an extensive dealer network to serve you.