Twindisc mg 5065

The Twin Disc MG-5065 series consists of two models being the MG-5065SC & MG-5065A (MG5065SC & MG5065A). Palmer Johnson is North America’s leading distributor for all of your MG-5065 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-5065 transmission, we’ve got you covered. Contact us today and you’ll be back up and running in no time!

MG-5065 SC & MG-5065 A

Standard Equipment

  • SAE J617 housing no. 3
  • Flexible coupling for 11.5” flywheel
    (SAE J620 size 290)
  • Mechanical control valve
  • Oil strainer


  • 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)

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Maximum 448 kW (600 hp) @ 2800 RPM [Pleasure Craft]

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

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