The Troy-Bilt 21AB45M8766 Dual Direction Tiller is a versatile machine, and you can indeed attach a Hiller/Furrower accessory to it. Here are the details: Hiller/Furrower Kits: There are two sizes of Hiller/Furrower Kits available for different models of Troy-Bilt tillers: OEM-290-250: Compatible with the Horse, Horse ES, and Big Red models. OEM-290-251: Designed for the Junior, Pony, and Pro-Line models. Functionality: The Hiller/Furrower attachment allows you to create plant rows and trenches up to 8 inches deep. It mounts to the rear of the depth stake on your tiller. The hiller wings also enable you to form hilled rows and raised garden beds.