Generac Rusting Issues – Again

It’s so hard to convince prospective customers that the brands they are most familiar with may not be the best choice. Here’s a Generac liquid-cooled generator. These photos are from 2015, but it shows the ongoing issues we deal with. A better choice is a Cummins or Kohler generator, which have all-aluminum enclosures.

Generac Rust Problem

Generac generator with rusting issues.

Generac rusting exhaust

Generac rusting is NOT limited to the enclosure. Here is the exhaust manifold with chunks missing due to heavy rusting.

Generac rust issues

Generac frame showing extensive rust and missing chunks of metal. We have seen similar issues on even newer equipment.