troy-bilt wide cut mower

I'm refurbishing this troy-bilt wide cut mower I bought from a friend. The problem is the fuel tank has a small hole in one of the top corners and I would like to replace the tank. The engine is a Briggs & Stratton 8.5 hp engine...however the engine cover is off an 8 hp engine so I don't have the correct engine model # to look up the correct part #. Does anyone have a similar mower with the original engine cover that would share that with me so I can look for parts?

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