Twin Disc 509 3.83-1 Transmission for Sale

Twin Disc 509 3.83-1 transmission for sale. Running takeout. 195 lbs. forward & reverse. Will install on test engine and spin test for interested buyer. Located in NC. $7,500 SOLD

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Twin Disc 509 3.83-1 Transmission for Sale
Twin Disc 509 3.83-1 transmission for sale
Twin Disc 509 3.83-1 transmission for sale

Search our inventory of new and used marine engines, transmissions, parts and accessories. Specializing in Detroit Diesel, Cummins, Caterpillar, Twin Disc, ZF and Allison products

The Twin Disc MG-509 marine transmission with a 3.83:1 gear ratio is designed for marine applications, offering reliable power delivery for vessels. Below are key specifications based on available information:

Model: Twin Disc MG-509

Gear Ratio: 3.83:1

Flywheel Housing Size: SAE 1

Drive Type: Spider

Horsepower: Rated for up to 390 HP (specific conditions may apply)

Oil Capacity:

MG-509 DC: 3.5 U.S. gallons (13L), plus hoses and heat exchanger

MG-509 SC: 2.2 U.S. gallons (8.3L), plus hoses and heat exchanger

Dimensions (approximate): 24″ L x 24″ W x 32″ H

Weight (approximate): 715 lbs