John deere 140 and other tractors

Found this guy with over 225 tractors on Facebook marketplace, he has a JD 140 H3, guy swiped the points for another project and the tractor needs the relief valve replaced. Probably needs a battery, it's been sitting for a bit less than a year.
400$. Good deal?

Also, if you can, can you tell me the tractors in this picture?

Light green outline is the 140.
Dark blue outline is a sears suburban.
Light blue outline is also a sears suburban.
Orange outline on the right is a bolens.
Purple outline is also a bolens.
There's a 110 behind the 140.
Don't know what the tractor outlined in orange in the middle of the picture is, or the one outlined in yellow.

For $400 it better be running,otherwise what else got taken off or missing.

TJR345 said:

For $400 it better be running,otherwise what else got taken off or missing.

Click to expand...

I agree.

$400 is a bit too much