ECHO Speed-Feed 500 High-Capacity Trimmer Head — .095"–.130" Line, Holds 40 ft, Bump-Feed

The ECHO 99944200950 High Capacity Speed-Feed 500 is a heavy-duty trimmer head that accepts .095"–.130" line and stores up to 40 feet of .095" line for fewer reloads and longer run times.

This larger-capacity Speed-Feed head was engineered to reduce downtime and make line changes faster on a wide range of professional and consumer trimmers. It replaces smaller Speed-Feed models and increases holding capacity by roughly 35% compared with the Speed-Feed 400, while remaining compatible with many manufacturers' shafts and bump-feed assemblies. The reinforced housing and oversized spool let you wind more line without sacrificing balance or feed reliability.

How much line can this trimmer head actually hold?

The Speed-Feed 500 is designed to store up to 40 feet of .095" trimmer line, giving you significantly longer work periods between reloads. It also accepts thicker line sizes to suit different cutting needs.

• Capacity: up to 40 feet when using .095" line
• Compatible line diameters: .095" to .130"
• About 35% more holding capacity than the Speed-Feed 400

Will this fit my trimmer and how easy is the installation?

The head is built to fit many common trimmer brands and quick-change bump-feed systems. Installation is straightforward—remove the old head, align splines, and secure per your trimmer's manual; no special tools are usually required.

• Designed for compatibility with many manufacturers' trimmers
• Quick-install bump-feed style—simple spool swapping
• Follow your machine's shaft and nut orientation for proper fit

What line types and cutting conditions are ideal for this Speed-Feed 500?

Use the Speed-Feed 500 with .095" line for maximum capacity or up to .130" for tougher vegetation. The head performs well on tall grass, light brush, and thicker weeds when paired with heavier line.

• Best capacity with .095" line for long run times
• Up to .130" line for cutting heavier growth
• Suitable for lawn maintenance, property clean-up, and light brush clearing

How does the larger spool affect balance and reliability?

Echo engineered the larger spool to maintain balance even when loaded with more line, minimizing vibration and uneven wear. The durable construction helps ensure consistent bump-feed operation under normal landscaping use.

• Oversized spool designed to preserve rotational balance
• Sturdy housing resists deformation during heavy use
• Reliable feed action reduces frequent line adjustments

Who is this for: Landscapers, rental shops, and homeowners who want fewer interruptions during trimming will benefit most from the ECHO 99944200950 Speed-Feed 500. If you frequently replace line or work large areas, the increased capacity and compatibility options deliver measurable time savings. It’s also a good upgrade for users seeking a heavier-duty bump-feed head that accepts a range of line diameters without extensive modification.