Genmac Stone G30YS-E Yanmar Diesel Generator 33kVA SilencedQuiet, safe & ready for work. The first thing you will notice about Genmac Industrial generators is that there is so little noise. Perfect design, optimum use of sound insolation materials and large muffler volumes have resulted in extra low noise output ideally suited for use in urban and residential areas. Compact, powerful and long lasting. Using only the latest technology engines from world leading brands such as Yanmar & Perkins, you can depend