In 1937 John H. Westerbeke Sr. founded the Westerbeke Marine USA
In 1938, Westerbeke marinized the Detroit Diesel 6-71 engine.
In 1959, the company marinated Perkins blocks, creating a market
for small power marine diesel engines.
In 1980, the company revolutionized the marine diesel market by
introducing a new line of lightweight and reliable generators.
Currently Westerbeke uses engines from several manufacturers
to create marine diesels and gasoline engines ranging
from 12 to 66hp and generators ranging from 3.5 to 33.0 kW.
Westerbeke also makes Universal diesel engines from 20 to 26 horsepower.