Pick a generator that handles your specific gear without being overkill. Go...

https://sierra-wiki.win/index.php/What_Generator_Type_Is_Best_for_Heavy-Duty_Construction_Work%3F

Pick a generator that handles your specific gear without being overkill. Go with petrol for quick jobs or diesel for the long hauls. Always check the noise levels for your neighbours and keep the unit well-ventilated to stay safe