... 3) Heavy Duty&12 months warranty Specifications of generator set as follows: 1) Output range: from 20kW ... , Cummins series produced by joint ventures in China b) Engine type: water-cooled, in line four-stoke ... down, over speed, over load and over current b) Operation display: i) Unit voltage, tri- ... engine with all accessories, 3 filter, electric systems b) Alternator c) Steel structure d) Fan and water ...