Front-Mount Tractors

The Model Number is identified by the decal sticker on the side of the unit (i.e.: 618, 720K, 725G2).

The Model and Serial Numbers are stamped on a metal plate-- lift the seat,
it is located on the tractor frame, near the throttle.

Front-Mount Decks

The Model and Serial Numbers are stamped on a metal plate,
located on the right rear edge of the deck.

Mid-Mount Mowers

The Model and Serial Numbers are stamped on a metal plate---
lift the seat, it is on the frame of the unit.

There are no Model & Serial Number plates or decals on the Mid-Mount's deck.
Everything is based on the main unit's Model & Serial Numbers.