What size generator for an 1122TST, 1622TS and 1322 Apr 13, 2021 To properly power your Kranzle 1122TST, 1622TS or 1322 electric pressure washer we recommend at least a 4,800 watt generator. If you have a 20 amp machine such as the K2020 or 2017, we recommend at le... Read more