Windward
Power Systems
We Are Open
Monday-Friday | 7:30am-4:00pm


Specializing In Marine Diesel Engine Sales, Services and Parts
Windward Power Systems is a family owned and operated business, founded by father & son team Jim and Nathan Tynan in June, 2006. We sell, repair, and service marine diesel engines and parts at our facility in Fairhaven, Massachusetts. We founded our business on some very simple principles‒ offering only the highest quality products and providing exceptional service to support those products.
Why Choose Us?

- Highly Trained Staff
- High Quality Product Line
- Fast & Effective Service

What Our Clients
Have To Say
"I would like to take a moment and thank you again for your help in the repower job this year. I have pushed harder fishing this year than I have in a long time..."
WillieFisherman
"Just wanted to let you know how much I appreciated your, and your company's professionalism this spring. I've dealt with a lot of diesel mechanics over the years."
Captain Lee CarlsonNantucket, MA
"Thanks again for all of the work you guys did this past year. We all appreciate it, especially the guys who are off shore with an engine we know was built by the best."
DougWoods Hole, MA
"Nate, thank you for all your hard work and insights, it was very helpful and I learned a lot; specifically what mechanical issues to look for...I was very impressed..."
Rick Miller
"Hi Nate:
Alex and Jerry completed the work this afternoon. Only one hiccup, the raw water pipe from the inlet pump to the after cooler on the starboard engine has a pin hole leak. So a return trip with a new pipe will be required.
Nate - I have to tell you that I am super impressed by these guys. Alex knows this engine inside and out. They both work hard and give it their all. What a pleasant surprise to find a company in the marine business that actually knows what they are doing and does it so well. I am so glad that I was introduced to you at the Newport boat show. You can bet that I will extol the benefits of contracting Windward Power to work on Cat marine engines!
The Admiral thinks we should give the guys a tip for the great service. I am wondering if that is a common practice and if you approve. Please let me know.
Thanks"
Wayne Pearson
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