PO Box 2025, Lincoln, CA 95648
The following instructions and recommendations are based on the data gathered through our 25+ years in the market. We do our best to list most brands and as many models as possible. We also try to make sure the information provided is accurate but please note, manufacturers can make running changes that we are not aware of until reported by a customer. We do our best to list those exceptions but keep in mind this is just a guide and the best way to troubleshoot an installation is to interact with a Technical Support Specialist either over the phone, chat, or e-mail.
Find your brand
McCulloch
We fit most McCulloch models. They follow the straight shaft installation instructions and can use any of our heads.
Most McCullochs take a nut that's included in the kit however, a few models take a bolt that's not. If your trimmer takes a bolt and neither one included in the kit fits, call 1-800-210-9949 between 8:00 AM and 3:30 PM Pacific or e-mail techsupport@cmdproducts.com to request one. Remember to include your trimmer brand, model, mailing address, and GrassGator head you are installing.
Milwaukee
Milwaukee are powerful battery-operated trimmers. We fit most models with a rear engine and a Bump & Feed type head.
Due to the limitations of battery-operated engines, Milwaukee trimmers are limited to using our lighter heads: 3600, 4700, 5600, 5620, 7800, or 8010. DO NOT use our Brush Cutter model 4680.
We fit models 2725 and 2825. The left-hand threaded nut required for installation is included in the kit.
MTD
MTD Trimmers come with either a Bump & Feed type head or a fixed line head. Models with Bump & Feed heads can use any of our heads. Fixed Line head models require a special adapter kit for installation and are limited to using our lighter heads: 3600, 4700, 5600, 5620, 6700 and 8010.
We fit models MP462CS, MP479, ST23, ST26 and ST35. The left-hand threaded nut required for the installation is included in the kit.
Models MP425, MP429 and MP475 require the special installation kit model R5605 mentioned above. Call 1-800-210-9949 between 8:00 AM and 3:30 PM Pacific or e-mail techsupport@cmdproducts.com to request one. Remember to include your trimmer brand, model, mailing address, and GrassGator head you are installing.
Murray
Straight shaft Murray trimmers 27ccs or more can use any of our heads. Curved shafts less than 30ccs and straight shaft models with engines less than 27ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
Murray models M2500 and M2510 follow the curved shaft installation instructions even if the model is a straight shaft.
Models MS2560 and MS2550 are fixed line trimmers that require a special installation kit model R5605 and because of it are limited to using our lighter heads: 3600, 4700, 5600, 5620, 6700, and 8010. Call 1-800-210-9949 between 8:00 AM and 3:30 PM Pacific or e-mail techsupport@cmdproducts.com to request one. Remember to include your trimmer brand, model, mailing address, and GrassGator head you are installing.
Pioneer / Partner
Pioneer curved shaft models follow the curved shaft installation instructions while straight shafts follow the straight shaft instructions.
Straight shaft Pioneer trimmers 25ccs or more can use any of our heads. Curved shafts less than 27ccs and straight shaft models with engines less than 25ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
The left-hand threaded nut required for most installations is included in the kit.
Poulan / Poulan Pro
Most Poulan and Poulan Pro trimmers follow the straight shaft installation instructions including curved shaft models. The left-hand threaded nut required for most installations is included in the kit. Some older Poulan Pro models take a bolt that is not included in the kit. If your trimmer takes a bolt and neither one included in the kit fits, call 1-800-210-9949 between 8:00 AM and 3:30 PM Pacific or e-mail techsupport@cmdproducts.com to request one. Remember to include your trimmer brand, model, mailing address, and GrassGator head you are installing.
Straight shaft Poulan trimmers 27ccs or more can use any of our heads. Curved shafts less than 30ccs and straight shaft models with engines less than 27ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
RedMax
Most RedMax trimmers follow the straight shaft installation instructions even if the trimmer is a curved shaft. Trimmers 25ccs or more can use any of our heads. Curved shafts less than 27ccs and straight shaft models with engines less than 25ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
The left-hand threaded nut required for most installations (like the BCZ2500) is included in the kit. A few models like the G23, BC3400, and BCZ2305 require a bolt that is not included in the kit. Model TRZ230S requires a spline cover that's only included with our GrassGator heads 4600 and 4680. If your RedMax requires a spline cover or special bolt please call 1-800-210-9949 between 8:00 AM and 3:30 PM Pacific or e-mail techsupport@cmdproducts.com to request one. Remember to include your trimmer brand, model, mailing address, and GrassGator head you are installing.
Remington
Most Remington trimmers follow the curved shaft installation instructions even if the model is a curved shaft. Models RM2510, RM2530, RM2560, RM2570 and RM2580 follow the curved shaft installation instructions with a bolt from the kit. The RM2700 follows the straight shaft instructions using a 10mm x 1.25 left-hand threaded nut that's included in the kit.
Trimmers 25ccs or more can use any of our heads. Curved shafts less than 27ccs and straight shaft models with engines less than 25ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
Robin
Robin curved shaft models follow the curved shaft installation instructions while straight shafts follow the straight shaft instructions.
Straight shaft trimmers 25ccs or more can use any of our heads. Curved shafts less than 27ccs and straight shaft models with engines less than 25ccs are limited to our lighter heads: 3600, 4700, 5600, 5620, 6700, or 8010.
The left-hand threaded nut required for most installations is included in the kit.
Ryobi
Ryobi has been making trimmers for a long time. They make gas, electric and battery-operated units.
We don't have anything to fit battery-operated AutoFeed trimmers like the Ryobi ONE+ series. However, the Ryobi Expand-it electric and battery-operated power heads with either the straight or curved shaft attachments can use our lighter gas heads: 3600, 4700, 5600, 5620, 6700, or 8010.
Here's a list of Ryobi models:
Sachs - Dolmar
Makita acquired Dolmar in 1991 and no longer makes trimmers under this brand.
We fit most of the old Sachs - Dolmar models. They follow the straight shaft installation instructions and can use any of our heads.
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