 | You are in possession of a Whisper 16/20 Ultra or 16000/20000 Ultra model , A generator with water-cooled 3-cylinder diesel engine. Generators made before 2004 are called the 16000/20000 Ultra series , after 2004 the generator were named 16/20 Ultra. To see what type of generator you have you can look for the part- and serial number on your generator. |
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