Generators?

Can anyone offer some advice? I acquired one of these:

To wire into this:

To leave me an outlet here:

Leave the landscaping (or lack of) comments to yourself please. I'm not good at it! 

 
That I can plug a portable generator into. After researching the NEC (Article 702):

"Optional Installation of Fuel Fired Generators for
Emergency and Standby Power Supply Systems for
One and Two Family Dwellings", we are cool. 


So now the problem is what generator. 

I have researched the Briggs and Stratton, the GENERAC, and the Powermate. 

The B&S model motive power is made in China, but has an extensive warrenty network. The GENERAC is made in WI, but apparently warranty and customer service sucks. Maybe that will change now given the current political climate in that state, but I don't want to find out the hard way. 

The Powermate is powered by a Honda engine (gasoline). 

I am leaning toward it just because of the motive power. It is the Powermate PM0497000. 


Some previously noted that Diesel is more widely available  during SHTF stuff, but I have a reserve of fuel:

These will be good for at least 30 gallons of gasoline if need be. 

OTOH, there is more madness in my method. I am trying to get a modular detached garage in the back yard. I need to recover these:

 

1967 Cadillac De Ville Convertible, driven into a secure storage location under its own power back in 1988. Not moved since. For the sharp eyed people yep, that is a Firebird behind it. It was my Grandmother's. I guess I get it honestly!


The other car? The same:

A TRUE 1964 and half Mustang. 

My intent is to retrive them and stick them in the new garage. Then get them back on the road.  I don't want to replace the breaker panel in the house just to power it. I can use the generator. Excersises the generator as well. 

Anyone have any thoughts on gensets?