The MigMaster 253 is an amazing welder. It’s designed for use on a factory or shop floor so it comes with small, hard wheels. Those factory wheels were not up to the job of working in my sea can workshop or from the bucket on my tractor. It used to get stuck when I tried to roll it over an electrical cord or even a nail. I took off the factory wheels and replaced them with large, pneumatic wheels. Now I can push it over 2x4s if I need to and it is much easier to roll out over the threshold of the door and into the bucket of my tractor.