The newer Ferris Z3X uses Hydro-Gear ZT4400 transaxles. If that’s what your particular mower is equipped with then, you can use synthetic or conventional 20W50 or 15W50 synthetic. 177 to 120 ounces per side.
The newer Ferris Z3X uses Hydro-Gear ZT4400 transaxles. If that’s what your particular mower is equipped with then, you can use synthetic or conventional 20W50 or 15W50 synthetic. 177 to 120 ounces per side.