Hipa Speed Feed 400 Trimmer Head — Echo SRM 225 Universal Fit, Preloaded .105" Line, Tool-Free Reload

The Hipa Speed Feed 400 is a universal bump-feed trimmer head designed to replace Echo SRM 225 heads and let you reload line in seconds without disassembly.

This heavy-duty replacement head fits a wide range of Echo straight-shaft and select PAS/GT models, ships preloaded with 13 ft of .105" line, and includes mounting adapters so you can match the stud and bushing on your machine. It combines a proven bump-feed design with durable round line to deliver quick feeding, simple installation, and tournament-ready uptime for landscapers and homeowners.

How quickly can I reload the Hipa Speed Feed 400?

Reloading is designed to be fast and tool-free: insert new line into the head and turn the knob to spool it in under 30 seconds. The preloaded head already contains 13 feet of .105" line so you can start trimming immediately.

• Tool-free reloading—no disassembly required
• Turn-the-knob winding to prevent tangles
• Preloaded with 13 ft of .105" line for instant use
• Accepts .080", .095", .105" or .120" lines for versatility

Will this trimmer head fit my Echo SRM or GT model?

The Speed Feed 400 is compatible with many Echo SRM, PAS (straight-shaft only), and GT models, but fit depends on the mounting stud and bushing combination. The kit includes adapters to increase compatibility; check your machine's bolt size and thread direction before installation.

• Bolt size on head: M10 x 1.25LH (replaceable nut)
• Fits straight-shaft PAS models; will not fit curved-shaft PAS units
• Some GT models (e.g., GT225) may require an 8mm x 3/8-24 RH black bolt
• Not compatible with Echo 21560056 2-Line Rapid Loader without adapter

How durable and reliable is the cutting system?

The bump-feed mechanism and round cutting line are built for frequent use and resist breakage when encountering hard surfaces. The head's construction supports professional daily workloads while keeping feeding consistent and predictable.

• Round .105" line reduces snap and wears evenly
• Bump-feed action extends line by tapping—no stopping required
• Designed to handle mixed vegetation and edging against hard surfaces
• Replaceable installation nut for long-term serviceability

What installation or parts details should I check before buying?

Confirm your trimmer's mounting stud, nut/bushing type, and thread direction to ensure a correct fit. If your exact model isn't listed, compare the existing mounting hardware to Echo-style studs and bushings to determine needed parts.

• Installation nut is replaceable to match machine threads
• Verify LH/RH machine requirements and bushing/stud combo
• Consult the application chart in product material for fit guidance
• If unsure, match your old head's hardware to the new head before purchase

Who is this for: Landscapers, groundskeepers, and homeowners who want a fast, dependable replacement head for Echo straight-shaft trimmers that reduces downtime and simplifies line changes. It’s most useful for users who prefer bump-feed convenience, need a broadly compatible replacement across multiple Echo PAS/GT/SRM models, and value a durable head loaded with quality round line for consistent cutting performance.