G'day Vmow
Your machine has Boundy's own engine, and this one dates from the
late 1950s or early 1960s.
Is your machine a 15" or 18" cut? [measured from bladetips]?
Hope this helps.
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Jack
Not sure on the size...never measured it

15" I'd guess?
Need to find a few parts for it for the resto.
Have it running and mowing though!