westwood gazelle w11?

hi i would like buy a deck for my mower it has a 36 inch cut with twin blades , not sure of the age but i have been told that itis old , it is an exellent mower that starts first time everytime and runs sweet it is just that the cutting deck has rotted out i would travel any distance to collect new or second hand i dont mind just dont want to throw the tractor away yet as it is in exellent condition , the mower is an westwood gazelle w11 11 horse power twin cutter any help would be great many thanx for reading chris