Twin Disc 507-1 3-1 Marine Transmissions for Sale
Twin Disc 507-1 3-1 Marine Transmissions for sale. Pair of running takeout Twin Disc 507 -1 marine transmissions for sale. 3-1 ratio. 290 lbs. pressure forward and reverse. Comes with drive couplers. Currently has #3 housing but can be changed for additional cost. Will install on test engine and spin test for interested buyer. Located in NC. $4,500 ea. or $8,000 for the pair. SOLD
Contact me at jeremy@eastcoastmarinesales.com with any questions
The Twin Disc MG-507-1 marine transmission with a 3:1 ratio is a robust, reliable unit designed for marine applications, often used in commercial and pleasure craft. Below is a concise overview based on available information:
Specifications:
Model: Twin Disc MG-507-1
Ratio: 2.99:1 (commonly referred to as 3:1)
Oil Capacity: 1.72 U.S. gallons (6.5L)
Oil Pump Capacity: 4.33 GPM at 2000 RPM
Maximum Speed: 3200 RPM
Housing: Available in SAE #2 or #3 (can be modified for additional cost)
Features: Near-coaxial aluminum housing, mechanical control valve, oil strainer for reliable operation.
Key Characteristics:
Durability: Known for smooth shifting and quiet operation, ideal for long hours on the water, including in houseboats, sailboats, and other vessels.
Applications: Paired with powerful marine engines like Detroit Diesel, it supports extended operation with consistent power delivery.
Parts Availability: Genuine parts like clutch plates, oil pumps, rubber blocks, bearing kits, and gasket sets are readily available from authorized dealers.