I believe it's a 2017 Ferris walk behind with a Hydro-Gear drive unit.(ZJ-GMFE-3B5B-1PLX).
Ferris 5901319. I've worked on a few of these Ferris machines, walk behinds and zeros, and it seems like they use different weight oils in them from model to model and year to year.
I never have the owner's/operator's manual to refer to for oil weights. thanks for the reply, gregjo1948