Kohler 7000 oil dipstick

I am involved with a motor swap as a late enlisted advisor. . (I know) plus it’s located about 15 miles away.
The motor is from an unknown donor and has a dipstick someone picked up off of something in the boneyard and stuck in the hole. The motor is like new, the zinc isn’t even scorched on the muffler.
With such a valuable piece of equipment, taking chances is just bad form. I searched manuals for a page with capacity listing
My question is, does anyone know if there is an interchange on dipsticks? If not, perhaps someone knows what the length of the stick is, or maybe someone knows the capacity when filling an empty crankcase.
Any help would be greatly appreciated.
Thank you, everyone for the informative blog.
Steph.