Where can you find a diagram for a simplicity coronet hydro 13 transmission?

You can find a diagram for a Simplicity Coronet Hydro 13 transmission in the owner's manual that comes with the mower, often available on the manufacturer's website. Additionally, forums and websites dedicated to lawn equipment repairs may have user-contributed diagrams. Websites like YouTube may also feature repair videos that include visuals of the transmission. Lastly, parts retailers often provide diagrams as part of their online listings for replacement parts.