| Fluid Power Society | This is an excellent site for all things hydraulic, marine, vehicular or industrial. |
| American Boat and Yacht Council | This is the organization that originates a set of "best practices" for all non-commercial marine. They have guidelines for just about all aspects of marine; electrical, mechanical, hydraulic just to name a few. |
| Marine site (Boat Diesel.Com) | This is a comprehensive site dedicated to marine mechanical systems. They have a very good question and answer section that is interesting and informative. You can actually join the site by paying a yearly fee. |
| Caterpillar engines site | This will get you into the Caterpillar home page. From there you can look up engine models, specs, and all things Caterpillar, not just marine. |
| Marine Log site | This gets you to a marine web magazine that has lots of boat/ship news and technical information. |
| Bio Diesel. | This site explains all about fuel that is grown instead of taken out of crude oil. As in anything, there are advantages and disadvantages to this product. Take a look! |
| Velvet Drive marine gears | This is a good site to look up Velvet Drive current information on marine gears |
| METRIC TO US CONVERSION PROGRAM | Quick access to measurement conversions. |
| GREAT ENGINE BRAND LOCATOR | You can find any brand and size specs on this site Go to their site and open their WORLD WIDE DIESEL AND GAS TURBINE site and pick out your engine. |