Twindisc mg 5082

The Twin Disc MG-5082 series consists of two models being the MG-5082SC & MG-5082A (MG5082SC & MG5082A). Palmer Johnson is North America’s leading distributor for all of your MG-5082 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-5082 transmission, we’ve got you covered. Contact us today and you’ll be back up and running in no time!

Standard Equipment

MG-5082 SC

  • Near coaxial, aluminum housing
  • Mechanical control valve
  • Oil strainer

MG-5082 A

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


  • 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)
  • Electric control valve (12 VDC 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

Contact Us

Maximum 522 kW (700 hp) @ 2300 RPM [Pleasure Craft]

Twin Disc Logo

Authorized Distributor

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

Genuine Parts

Thousands of parts ready to ship in as little as two hours from our store at

Service and Support

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