NEWLAND 5.5kw Sound proof Diesel Generator offers 20L extended large fuel tank, it allows the generator to continuous running upto 12hours without refueling.Digital AVR tech provide smooth voltage with low volatility, THD between 4-7%.The main focus of the Diesel Genset is ruggedness and durability, with an engine life of more than 2,000 hours.Pure copper synchronous alternator produced by cold rolling process can achieve semi-permanent magnetism, and lower temperature rise.