An Anti-Scalp Roller is generally located in the front and/or rear of a finish mower to help prevent the mower blades from "scalping" or digging into a lawn on uneven terrain or slopes. 
 

Device used for digging trenches and holes. Consists of a digging bucket attached to the end of an articulated arm ("Dipperstick").  A backhoe is typically mounted to the rear of a tractor and is powered using the tractor's hydraulic system via a Power Beyond port. 

Device attached to either a tractor's Front End Loader or Three Point Hitch to lift and manuever round hay bales.

A Boom Pole is an implement/attachment which connects to the rear of a tractor and is typically used to lift items.

A Box Scraper is an implement/attachment which connects to the rear of a tractor and is commonly used to loosen and smooth materials.