OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Question On Scott Bonnar Cylinder Mowers New to Scott Bonnar

Hello David

Yep, that's a late Model 45.
The engine is a re-power replacement.

A very re-storable machine... and a very good reel mower; that still
holds its own today for good design.

Plenty of information on the 45s on these forums.

Hope this helps.
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JACK