These are good used gearboxes that we removed from a whale watch vessel. The oil pumps have been modified to a new type of pump that can easily be replaced if necassary. They can be bought as a pair or separately. SAE #1 housings, ratio is 2.02:1.
These are a pair of good used Twin Disc MG-513 marine gearboxes / transmissions. The housings are #1 and the gear ratio 2.02:1
| Gearing Arrangement: | Helical |
| Model Number: | MG 513 |
| Brand Name: | Twin Disc |
| Place of Origin: | United States |