Which ECHO® and other manufacturers’ products are compatible with the Speed Feed® 500?

The ECHO® Speed Feed® 500 is available under the following part number.

• Part #99944200950 - Compatible with all ECHO® straight shaft trimmer models that feature an engine size of 25cc's or higher as well as select models from other manufacturers. Other manufacturers models listed below.

Other Manufacturers: The attachment will provide manufacturers and models are confirmed to be compatible with the Speed Feed® 500. Since manufacturers frequently introduce new products, ECHO® cannot guarantee that the compatibility chart included with the trimmer head packaging is always current. If a manufacturer and/or model is not listed, it is recommended the customer contact the manufacturer with the bushing/adapter specifications to confirm.