The 395 is just the newer updated version. Arguably it fixed some of the 394xp short comings. Pretty easy to swap topends and since it's like hens teeth to find a good 394 top end, you pretty much end up with a 395 when it needs fixed any way. I like mine for mill use, but it just sits. Just ignore bill. Good luck with your sale.
curious what 394 "shortcomings" are?
have had 3
also have 395 here, broke pto side case, good top end - could swap or repair - needs starter n muff to run
case broke at one o the mounts, so wouldnt be much fun to run like that
no complaints on 394 here
never run 395 tho