can someone tell me what this engine is?

[down_in_flames]

I got this engine off an old rototiller but I have no clue what it is. I think its a briggs but im not positive.

If any one knows what it is or how much hp its got that would be great

 

[Kenny_McCormic]

Briggs 5hp "flatty"

 

[down_in_flames]

awesome thanks alot