mounting base size honda gx390 vs gx690 plus overal size of 690

[bigrich954rr]

is the mounting base the same on the gx390 and the gx690 ?

whats the over size looking at the front of the 690 Height width and dept ?

can you get them in inch output shaft ?
pull start ?

 

[RandyT]

It looks like the gX380 and GX630/660/690 are about the same dimensions overall according to the honda engines page. Looks like the GX630 comes in an 1 inch crankshaft whereas the GX690 is either 1-1/8 or 1-7/16 All the twins are electric start only.