It had to Be Modified to fit as the LX100 series was never Meant to run the 30inch PTO driven tiller it Has a different rear hitch from the GT242, GT262 and GT275
But Take Picture of the Rear of the Tractor I might be able to tell How he modified it to fit and Take a Picture of the Tiller & Tiller Frame as well
But Take Picture of the Rear of the Tractor I might be able to tell How he modified it to fit and Take a Picture of the Tiller & Tiller Frame as well