... noise.2.Wet-type cylinder liner,a head per cylinder,better approachability design,easy to repair.3. ... Average effective pressure,power per liter,torque perliter are good.4.Adanced P7100 ... .Valve oil-sealing ring technique and seal technique for piston ring,low oil consumption.6.Optional eletronic ... operate,monitor and self-protect,and safe. BEST PRICE FOR 300KW DIESEL GENERATOR SETS