Generators brand
The one next to the black generator is with a starting power of 6600 watts and a maximum power of 7000 watts.
As for the black one, it is diesel. Diesel portable generator from the brand Loncin (Loncin LCD7500D) with a power of approximately 7500 watts (gives actual power of about 5 to 6 kilowatts).
As for the third one, which is next to the black one, the continuous power (Rated) is 4.0 kilowatts (or 4000 watts).
The continuous power (Rated) is 4.0 kilowatts (or 4000 watts). This is the fourth one in the picture.
The fifth one
Power in kilowatts (kW): gives a net operating power (Rated Output) of approximately 2.5 to 2.8 kilowatts.
Sinda B3600E generator shown in the picture with power.
The fourth one, which is next to it, Continuous (Effective) Power: 2.0 kilowatts (2000 watts). Maximum (Net) Power: 2.2 kilowatts (2200 watts).