G'day Tom,

1 Yes 1968.
2 Yes engine is correct for base.
3 Yes 160 cc
4 Blades LINK 4 BLADES CLICK HERE

The wrong fuel cap on this Victa Utility stands out as does the starter ,the original starter would have been
the impulse starter and the white air filter is a replacement the original one being green.

https://www.outdoorking-forum.com.au/forum/ubbthreads.php/topics/77945/brochure-1968-69-range.html

Cheers
Max.