... :1000 hours or 1 year. 3.Diesel genset for land. 1.Solid crankshaft case,postposition gear housing, ... lower noise.2.Wet-type cylinder liner,a head per cylinder,better approachability design,easy to repair. ... .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