Hello bobk

The engine code says the engine was made in late 1984, making this a 1985 model.
Victa, of course, have never really 'made' a ride-on. I believe this is an
American MTD.

A good 35 page Manual is available here:-
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=6950

Hope this helps.
-------------------------
Jack