Marine Transmissions for Sale

Looking for a reliable marine transmission that performs under pressure? At Depco Power Systems, we offer a wide selection of used, rebuilt, and new marine transmissions for sale from top brands like Twin Disc, ZF, and more. Whether you're powering a commercial workboat, an offshore rig, or an industrial marine vessel, our inventory includes thoroughly inspected options that deliver performance and peace of mind. When it comes to marine gearboxes for sale, our in-stock units are ready to ship and backed by expert support and warranty coverage.

All units selected for special pricing include the Depco guarantee and 30-day warranty on used inventory. Units will be fully serviced and tested to factory specifications.Liquidations units are sold as-is. All sales are final. Please read the notes section in the item description for details.

  • Twin Disc MG5114 4.59 Marine Transmission

    Used Twin Disc MG5114 4.59 Marine Transmission

    Ready to Ship
    Condition: Used
    Gear Ratio: 4.59
    Depco Item # 19402

  • Good Used Twin Disc MG514A 6 Marine Transmission

    Good Used Twin Disc MG514A 6 Marine Transmission

    Condition: Good Used
    Gear Ratio: 6
    Depco Item # 18213

    Price: $14,500
    Sale Price: $7,900 (46% off!)
  • Good Used Twin Disc MG514A 6 Marine Transmission

    Good Used Twin Disc MG514A 6 Marine Transmission

    Condition: Good Used
    Gear Ratio: 6
    Depco Item # 18214

    Price: $14,500
    Sale Price: $7,900 (46% off!)
  • Good Used Twin Disc MG514B 4.5 Marine Transmission

    Good Used Twin Disc MG514B 4.5 Marine Transmission

    Condition: Good Used
    Gear Ratio: 4.5
    Depco Item # 16881

  • Good Used Twin Disc MG514B 6 Marine Transmission

    Good Used Twin Disc MG514B 6 Marine Transmission

    Condition: Good Used
    Gear Ratio: 6
    Depco Item # 18264

  • Good Used Twin Disc MG514C 5.16 Marine Transmission

    Good Used Twin Disc MG514C 5.16 Marine Transmission

    Condition: Good Used
    Gear Ratio: 5.16
    Depco Item # 16799

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  • Good Used Twin Disc MG514C 4.13 Marine Transmission

    Good Used Twin Disc MG514C 5.16 Marine Transmission

    Condition: Good Used
    Gear Ratio: 5.16
    Depco Item # 17329

  • Twin Disc MG514C 365HP Marine Gear #19215

    Reconditioned Twin Disc MG514C 5.16 Marine Transmission

    Condition: Reconditioned
    Gear Ratio: 5.16
    Depco Item # 19215

  • Reconditioned Twin Disc MG514C 5.16 Marine Transmission

    Reconditioned Twin Disc MG514C 5.16 Marine Transmission

    Condition: Reconditioned
    Gear Ratio: 5.16
    Depco Item # 19214

  • Good Used Twin Disc MG521 4.09 Marine Transmission

    Good Used Twin Disc MG521 4.09 Marine Transmission

    Condition: Good Used
    Gear Ratio: 4.09
    Depco Item # 17113

  • Good Used Twin Disc MG530 4.94 Marine Transmission

    Good Used Twin Disc MG530 4.94 Marine Transmission

    Condition: Good Used
    Gear Ratio: 4.94
    Depco Item # 15968

  • Rebuilt Twin Disc MG540 7 Marine Transmission

    Rebuilt Twin Disc MG540 7 Marine Transmission

    Condition: Rebuilt
    Gear Ratio: 7
    Depco Item # 17007

Trusted Marine Transmission Brands We Carry

Our inventory features high-quality marine transmissions from the most trusted names in the marine industry. Each brand we carry is recognized for its engineering excellence, durability, and availability of parts and rebuild kits, ensuring long-term performance and easier maintenance.

Twin Disc Marine Transmissions

If you're searching for a Twin Disc marine transmission for sale, you’re in the right place. Twin Disc is a global leader in power transmission technology and is known for producing robust and reliable gear systems ideal for a wide range of vessels. At Depco, we stock both new and rebuilt Twin Disc transmissions, and we also provide marine transmission rebuild services using OEM parts to extend the life of your equipment.

We also supply parts and offer rebuilds tailored to specific models, so whether upgrading, replacing, or maintaining your gear, you get a solution that fits.

ZF and Other Top Manufacturers

In addition to Twin Disc, we offer ZF marine transmissions, which are high-performance units renowned for their quiet operation and efficiency. Brands like Velvet Drive and others are also part of our lineup, providing more options for those seeking specific torque ratings, size configurations, or performance profiles. Whether it’s a ZF marine gearbox or another high-end unit, we ensure each transmission is tested and ready for installation.

Benefits of Buying from Depco Power Systems

Buying from Depco isn’t just about getting a part, but a reliable, supported solution for your marine power needs. Here’s why customers across the globe trust us:

  • Extensive Inventory: Ready-to-ship transmissions from trusted brands.
  • Thorough Inspections: Every unit is tested to ensure mechanical integrity and performance.
  • Warranty Support: We offer rebuilt and used marine transmissions with dependable warranties.
  • Expert Guidance: Our marine specialists help match the right unit to your vessel.
  • Fast Shipping: Efficient logistics get your unit to you quickly and safely.
  • Service & Rebuilds: Our facility is equipped with professional marine transmission rebuild services.

Rebuilt and Used Marine Transmissions

Choosing used marine transmissions for sale or rebuilt marine transmissions can deliver substantial savings without sacrificing reliability. At Depco, each used or rebuilt unit is:

  • Professionally Inspected
  • Tested for Operational Excellence
  • Rebuilt with High-Quality Parts

A marine transmission rebuild can be the perfect solution for customers looking to extend the life of their vessel while reducing cost. Our team follows a meticulous process, ensuring every rebuilt transmission meets stringent quality standards. This includes replacing worn components, pressure testing, and performing functional checks, making these units dependable alternatives to brand-new gear.

Need Help Finding the Right Transmission?

Selecting the right transmission can be challenging, given the many variations in marine engines, gear ratios, and vessel requirements. Our team of marine transmission experts is here to help. Whether you're browsing for a marine gearbox for sale or needing a specific Twin Disc rebuild, we’ll guide you through every step.

Contact our expert team today to find the best commercial or industrial vessel transmission.

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