The problem I see is not the continuous Current/Watt it is the inrush current of the Meanwells.
The Delta-q had much less inrush current that should be the reason Trikester had less problems with the 2012 Model.
You can see the Meanwell has up to 70A inrush and you have 2times for the FX and 4times S/DS. (Photo 1)
It will be not so much with 120VAC as with 230VAC. And the real world value not in the extreme cold will help too.
But this is always the problem to decide if the generator is able to deliver this.
I have done some testing with my RSP-1000 Meanwells claimed to have 25A/110VAC and 40A/230VAC. I tried to use current limiter to start it but there must be a regulation circuit I could not trick. It has used a bit lower current but much longer
.
The Oscilloscope photos are the native current use of the RSP-1000 at 230VAC so it is less 30A and not 40A as the given worst-case and only for 2-3 Sinusoidal waves.