Marine Transmissions

Depco offers new, used and rebuilt marine transmissions from the industry’s leading suppliers such as Caterpillar, Twin Disc and more. From diesel pleasure craft to a wide range of commercial workboat applications, we have the selection and industry expertise to find you the right gearbox, at the right price. Each marine transmission or gearbox undergoes the Depco 6-point certification process, which includes rigorous inspection, servicing, testing to ensure that they will perform under the toughest conditions and hold up over time. Feel free to browse our inventory, or give us a call at 800-723-3726, and we’ll help you find what you need.
Speak with an Expert

Brand

Model

Condition

Ratio

Showing all 22 results

  • High Hour Caterpillar 7231 4.67 Marine Transmission
    Condition: High Hour
    Gear Ratio: 4.67
    Depco Item # 14772
    Price: $3,900
    See More Details

  • High Hour Caterpillar 7231 4.67 Marine Transmission
    Condition: High Hour
    Gear Ratio: 4.67
    Depco Item # 14747
    Price: $7,900
    See More Details

  • High Hour ZF BW190A 2.03 Marine Transmission
    Condition: High Hour
    Gear Ratio: 2.03
    Depco Item # 16025
    See More Details

  • High Hour ZF BW190A 2.03 Marine Transmission
    Condition: High Hour
    Gear Ratio: 2.03
    Depco Item # 16027
    See More Details

  • Good Used Other GUW 355/1293 3.5 Marine Transmission
    Condition: Good Used
    Gear Ratio: 3.5
    Depco Item # 14113
    Price: $2,900
    See More Details

  • New Surplus Twin Disc MG5065A 2.04 Marine Transmission
    Condition: New Surplus
    Gear Ratio: 2.04
    Depco Item # 16389
    See More Details

  • Good Used Twin Disc MG509 4.5 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.5
    Depco Item # 15357
    Price: $4,900
    See More Details

  • Good Used Twin Disc MG509 4.5 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.5
    Depco Item # 15325
    Price: $4,900
    See More Details

  • Good Used Twin Disc MG509 4.5 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.5
    Depco Item # 15643
    Price: $4,900
    See More Details

  • Good Used Twin Disc MG5114 DC 4.86 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.86
    Depco Item # 15644
    Price: $6,900
    See More Details

  • Good Used Twin Disc MG514 4.5 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.5
    Depco Item # 16881
    See More Details

  • Good Used Twin Disc MG514B 6 Marine Transmission
    Condition: Good Used
    Gear Ratio: 6
    Depco Item # 16882
    See More Details

  • Good Used Twin Disc MG514C 5.16 Marine Transmission
    Condition: Good Used
    Gear Ratio: 5.16
    Depco Item # 16801
    See More Details

  • Good Used Twin Disc MG514C 4.13 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.13
    Depco Item # 16251
    See More Details

  • Good Used Twin Disc MG514C 5.16 Marine Transmission
    Condition: Good Used
    Gear Ratio: 5.16
    Depco Item # 16799
    See More Details

  • Good Used Twin Disc MG518 2 Marine Transmission
    Condition: Good Used
    Gear Ratio: 2
    Depco Item # 09170
    Price: $3,900
    See More Details

  • Good Used Twin Disc MG518-1 4.48 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.48
    Depco Item # 15417
    Price: $10,900
    See More Details

  • Good Used Twin Disc MG5222 4.03 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.03
    Depco Item # 15857
    See More Details

  • Good Used Twin Disc MG527 5.17 Marine Transmission
    Condition: Good Used
    Gear Ratio: 5.17
    Depco Item # 16879
    See More Details

  • Good Used Twin Disc MG530 4.94 Marine Transmission
    Condition: Good Used
    Gear Ratio: 4.94
    Depco Item # 15968
    See More Details

  • New Surplus Twin Disc MG5506 5.44 Marine Transmission
    Condition: New Surplus
    Gear Ratio: 5.44
    Depco Item # 16880
    See More Details

  • New Surplus ZF ZF W650 4.06 Marine Transmission
    Condition: New Surplus
    Gear Ratio: 4.06
    Depco Item # 14317
    Price: $3,900
    See More Details