Hello Gouds
Well, this is the first Model 45 14"... Model 450415
These are highly regarded, and this one looks original.
Plenty of life in that reel too!

https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=58162
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=64934

I would appreciate if we could get the engine numbers from the cowl...
[Linked Image]

They should give us a better build date [between 1968 and 1972].

Cheers
---------------
Jack

p.s. filter is incorrectly fitted.
It should not be above the muffler.