Hi Hooksey, and a warm welcome to the forum.It's nice to welcome another Scott Bonnar Model 45 owner on board. grin

Your machine is a 14" Model 45, manufactured in the Thebarton Sth Aust. factory and would have been made in late 1974-1975 and it is featured in the model range for those years (Model 450407). It would have had a Kirby Lauson (Tecumseh) engine fitted originally and is a Series 2 chassis have the twin rail engine deck.

It has been fitted with a Briggs and Stratton engine at some later stage; if you can post the complete string of numbers stamped into the metal air cowling (adjacent to the carby inlet manifold) that should read Model, Type and Code, we can tell you the date the engine was manufactured. wink

Grumpy is our resident Briggs engine guru, and I'm sure he will chime in here and give you some ideas on how to get it running sweetly.
In my opinion, this machine would make a nice restoration...once you get the engine running, I will help you with any faram and chassis probs. wink

Once again Hooksey, :welcome: to OutdoorKing.
cheers


Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member.
Kindest Regards, Darryl grin