Please feel free to contact me if this generator interesting you ,and I will offer the best price and clearly technical data for you to make the best choice. GF2 series Deuts diesel power generator set Model Number :GF2 Product Origin:China Alternator Brand Name :Leroy Somer or Stamford or Marathon or Zongchi,etc Frequency:50/60 HZ Protection: IP21-23 for option Type: Three phase Insulation:class F/H Starting method ;electric Cooling Model:water cooling More detailed specification will provide upon requested