Searching for a MF135 (HTD 976F)

I am trying to trace a Massey Ferguson 135 (HTD 976F) that my Grandfather purchased new in 1968. It was part exchanged in 1978 with a local machinery dealer and I believe it was possibly sold on to another local farmer in or around Preston Lancashire in 1978. Unfortunately, that is the limit of my knowledge at present. I believe it was last taxed for road use in 1989. I am hopeful that it is still in the area but I appreciate that a lot of time has elapsed. I would greatly appreciate if anyone can shed any light on its current whereabouts. Please feel free to contact me on 07840 563315…Thank you…..Matthew