Sorry you're having a hard time finding specs for the GrandStand. Here's a link to the information you need - http://www.toro.com/en-us/profession...sid=GrandStand
Under the large photo, you will see a smaller images of the GrandStand models. When you click on an image, it will bring up specific information for that model. There will be a tab that appears in the middle of the page with specifications.
Let us know if you have any trouble accessing the information.