Welcome at De Maas BV

A hearty welcome to this website of Machine- en Motorenfabriek De Maas.

Many of you, visitors of this site, will already be customers of ours and for you we are no longer an unknown quantity. For more than 90 years, from 1922 (!), we have been active as manufacturer and supplier of propulsion engines and generator sets on behalf of the inland navigation and many branches of general industry. We have therefore made this website with a specific focus on all our potential clients, who have just recently discovered De Maas and who wish to become more acquainted with us and with our performance.

We specialize in supplying engines and generators for marine and industrial.
With the renowned brands Lister Petter, JCB, Doosan, Hyundai SeasAll and Mecc Alte offer we customized solutions. Whether it is a propulsion engine, een hulpmotor or a engine for a specific application, we can adequately informed you.

On this site you find information about the many possibilities that we can offer but we are also happy to help you!



We select the right motor for each specific application. So we are your preferred supplier of a wide range of engines for an equally wide range of applications.


For marine, The Maas BV can find several generator sets supply based on Lister-Petter, JCB or Doosan in combination with Mecc alte generator. These sets, we can of course also provide CCNR specification.


The Maas BV use since years the generators of the brand Mecc Alte what has become a worldwide reputation in the field of generators.


We offer a complete range of parts, mostly available from stock. We can provide any part, of a simple filter to a complete replacement engine, a fast and accurate way for you.