ECHO Speed-Feed 400 replacement head for SRM trimmers
The Speed-Feed 400 is worth a look when reloading is the chore you want to simplify: it takes fresh line without opening the head, and this 99944200907 version is specified for ECHO SRM trimmers.
The Speed-Feed 400 is worth a look when reloading is the chore you want to simplify: it takes fresh line without opening the head, and this 99944200907 version is specified for ECHO SRM trimmers.
- Good for
- ECHO SRM owners replacing a head and wanting a bump-feed design that reloads without disassembly.
- Look elsewhere if
- You have an ECHO GT curved-shaft model, which uses the separate 99944200908 head, or another trimmer without confirmed fit-up.
- The tradeoff
- The Speed-Feed name covers more than one fitment; choosing the right part number and installation hardware matters.
At a glance
- Line feed
- Bump feed
Why it earns a look
- Feed: Bump-to-advance
- Loads line without disassembling the head
- Preloaded with .095-inch Cross-Fire line
Where it asks for a compromise
- The Speed-Feed name covers more than one fitment; choosing the right part number and installation hardware matters.
A refill routine worth changing
ECHO’s design threads and winds line without taking the head apart. It is supplied with .095-inch Cross-Fire line and lists capacity for 20 feet of .095-inch line.
Choose the SRM version
The manufacturer lists 99944200907 for ECHO SRM models. The GT curved-shaft version is 99944200908. Check the fit-up and fitting directions before removing the old head.
Living with it in the garden
Check the head and line before trimming.
Reload and fit the head using ECHO’s instructions.
Your 99944200907 questions
Will this version fit an ECHO GT curved-shaft trimmer?
ECHO lists a different part, 99944200908, for GT curved-shaft models. This selected 99944200907 is the SRM version.
Does it need opening for every refill?
The manufacturer describes reloading line without disassembling the head.
What line is supplied?
ECHO lists preloaded .095-inch Cross-Fire line.
Full specifications, manuals & sources
Model details
- Full model name
- Echo Genuine OEM Trimmer Head # 99944200907
- Amazon ASIN
- B00G5KL0QW
- Line feed
- Bump feed
- Brand
- ECHO
Manuals & product information
Photo sources
Product information checked 2026-10-29. Our assessment uses the linked specifications and manuals; it does not represent a hands-on test. Editorial standards & corrections.