Twin Disc MG521 marine transmission ratio 4 to 1 - rebuilt

Twin Disc MG521 marine transmission with a ratio of 4.087 to 1 - Remanufactured

Includes:

• Mechanical selector valve assembly (Control valve)
• Pilot housing flange
• Oil pump
• Oil level gauge
• Output flange

It does not included the Drive ring (sold separately)

General information:

• Oil capacity 12 US gallons.
• Pressure range 190-220 PSI @ 1800 rpm and 180 degrees farenheit
• Maximum speed 3000 RPM
• Operating: Oil viscosity SAE 40W engine oil, temperature 150 - 185 degrees farenheit.
• Operating: Oil viscosity SAE 50W engine oil, temperature 185 - 200 degrees farenheit.
• Oil pump capacity 30 gpm at 2000 rpm

After placing your order online for this item, we will contact you to request the specific SAE housing size