Edward, you may use the model number found on your machine to locate the correct parts on our website by searching on toro.com/en/parts. Should you need additional assistance you may reach out via live chat or our support line 888-384-9939, available Monday - Friday from 8:00 am-4:30pm CT. You may also bring your machine to an authorized service dealer, you can locate your nearest one by going online to toro.com/en/locator.