Originally known as Auto Engine Works and later known as Capitol Gears Inc. Capitol Marine Transmissions were originally manufactured in St. Paul Minnesota USA.

Capitol Marine Transmissions were highly sought after for there rugged design and simplicity. Many of them are still working effectively today after many years of service.

In 1990 Capitol Gears Inc. closed it's doors and stopped production of original parts.

We currently offer a wide range of aftermarket parts that can assist you in keeping your transmission running, and can supply high quality aftermarket replacement parts.