is their an oil and gas filter on a troybilt tuff cut 200 and 21"cut/6.5hp.LAWNMOWER?

is their an oil and gas filter on a troybilt tuff cut 200n21"cut/6.5hp. LAWNMOWER
If so where is it?

use some easy words.i know where the air filter is.

and can someone post some parts numbers or a place a can find all teh parts numbers because i lost the manual.