Picking the right generator comes down to matching the output to your gear....

https://wiki-tonic.win/index.php/Do_I_Need_a_Quiet_Generator_for_a_Residential_Area%3F_A_Tradie%E2%80%99s_Guide

Picking the right generator comes down to matching the output to your gear. Total the wattage of your tools and add a buffer for startup spikes. Diesel is best for long days, but petrol works for light weekend jobs