If you've never bought a diesel generator before, this can really be a daunting process. Spending days doing research and figuring out which diesel generator is right for you, especially with all the information out there, is a lot of effort and can become a pain. We've condensed all this information into a short list of 5 things to consider when buying a diesel generator. These considerations are very important. If you miss certain points, you may invest a lot of time and money in a diesel generator set, which is not for you. This will undoubtedly drive up costs, especially considering the amount of investment in the generator set.