Covid-19 Update
We are currently open Monday to Friday. Orders are shipping normally and we are well stocked.
Please use phone & email when possible to limit our exposure to the virus.
If visiting in person please observe social distancing of 2 meters

Check here for the latest MPS updates. Stay safe everyone!

Westerbeke marine diesel engines represent over 70 years of industry leading experience in auxiliary marine propulsion. Exclusively designed for demanding marine applications, our marine engines represent a breakthrough in compactness, quietness, and reliability. Used by the most prestigious sailboat builders, thousands of Westerbeke marine engines have been installed in boats for pleasure, commercial and government use.


Westerbeke Propulsion Engines
Model Cyl CID HP Std. Transmission Std. Ratio Price
12D Two 2 39 12.0 ZF5M 2.05:1 Please Inquire
30C Three 3 58 27.0 PRM 80 2.5:1
35E Three 3 80 31.0 PRM 120 2.0:1
44C Four 4 107 44.0 PRM 120 2.0:1
55D Four 4 133 55.0 ZF25M 1.88:1

Download engine manuals here