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Twin Disc MG-514-B SC Marine Transmission Parts

Diesel Parts Direct is an Authorized Twin Disc Dealer and carries a great selection of genuine parts for MG-514-B SC (short case) marine transmissions. We stock most popular products like clutch plates, oil pumps, rubber blocks, and filters and have them ready for immediate shipment.


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If you know the correct Twin Disc part number, please enter it in the search box located in the navigation bar, or use any of our quick links below to access the most common parts available for this model.

If you do not see the parts you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.

Twin Disc MG-514-B Short Case Transmission Specifications



Available Ratios
2.00:1, 3.00:1
Oil Capacity
6.0 U.S. gallons (22.7L), plus hoses and heat exchanger
Oil Pump Capacity
  • 12 GPM at 1600 RPM
  • 13.5 GPM at 1800 RPM
Maximum Input Speed
2500 RPM
Other Info

FILTER

  • $29.39
    • $29.39
    Qty: 

    FRONT SEAL

  • $85.38
    • $85.38
    Qty: 

    GASKET

    PART RECOMMENDED WHEN CHANGING PUMP

  • $5.04
    • $5.04
    Qty: 

    GASKET

    PART RECOMMENDED WHEN CHANGING FILTER

  • $5.27
    • $5.27
    Qty: 

    GASKET

    PART RECOMMENDED WHEN CHANGING FRONT SEAL

  • $10.45
    • $10.45
    Qty: 

    O-RING

    PART RECOMMENDED WHEN CHANGING REAR SEALS

  • $23.46
    • $23.46
    Qty: 

    REAR SEAL

  • $73.91
    • $73.91
    Qty: 

    RUBBER BLOCK

  • $16.80
    • $16.80
    Qty: 

    SCREEN

  • $23.97
    • $23.97
    Qty: 

    SELECTOR VALVE GASKET

  • $7.36
    • $7.36
    Qty: 

    TOP COVER GASKET

  • $8.60
    • $8.60
    Qty: 

    BEARING KIT

  • $3,177.04
    • $3,177.04
    Qty: 

    GASKET AND SEAL SET

  • $586.02
    • $586.02
    Qty: 

    OIL PUMP

  • $640.31
    • $640.31
    Qty: 

    SELECTOR VALVE

  • $1,650.72
    • $1,650.72
    Qty: 

    CLUTCH PLATE (DRIVING)

  • $93.20
    • $93.20
    Qty: 

    CLUTCH PLATE (DRIVEN, STEEL)

  • $121.00
    • $121.00
    Qty: 

    CLUTCH SPRING

    PART RECOMMENDED WHEN CHANGING DRIVE PLATE

  • $3.07
    • $3.07
    Qty: 

    CLUTCH SPRING SLEEVE

    PART RECOMMENDED WHEN CHANGING PLATES

  • $2.71
    • $2.71
    Qty: 

    DIPSTICK

    Use with TD-XB2301H Dipstick Tube

  • $53.58
    • $53.58
    Qty: 

    DIPSTICK TUBE

    Use with TD-B3631E and TD-B3631F Dipsticks

  • $103.34
    • $103.34
    Qty: 

    DRIVE RING (BOLTS TO FLYWHEEL, 14")

  • $874.06
    • $874.06
    Qty: 

    DRIVE SPIDER (INPUT, 14")

  • $1,982.33
    • $1,982.33
    Qty: 

    LATHE CUT RING

    PART RECOMMENDED WHEN CHANGING FRONT SEAL

  • $9.31
    • $9.31
    Qty: 

    LATHE CUT RING

    PART RECOMMENDED WHEN CHANGING REAR SEALS

  • $10.15
    • $10.15
    Qty: 

    OUTPUT FLANGE

  • $1,761.77
    • $1,761.77
    Qty: 

    PRESSURE HOSE

  • $52.95
    • $52.95
    Qty: 

    SUCTION HOSE

  • $49.51
    • $49.51
    Qty: 
    Hundreds Of Items Guaranteed in Stock
    Hundreds Of Items Guaranteed in Stock Click here for details
    Great Selection of Block Heaters and Glow Plugs

    GREAT SELECTION OF BLOCK HEATERS AND GLOW PLUGS

    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos
    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos Click here for details

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