Hipa SRM 225 Speed Feed 400 Trimmer Head — Echo/Shindaiwa Straight Shaft Compatible (2-Pack)

Meet the Hipa SRM 225 Speed Feed 400 trimmer head, a robust aftermarket upgrade crafted for straight shaft trimmers. This 2-pack blends fast line loading with dependable durability, giving you a practical option for keeping lawns, edges, and pathways neat. Real-world results vary by model and technique, but many users appreciate the potential time saved during yard work and seasonal maintenance.

Effortless line loading for busy days

The Speed Feed 400 mechanism is designed for tool-free line loading, eliminating the need to disassemble or bump to feed line. This can help you resume trimming quickly after each refill, especially when switching between lawn edges, fences, and garden beds.

In typical scenarios like tidying along a fence line or around a flower bed, the quick-reload capability translates to fewer interruptions and more consistent work flow.

Wide compatibility for Echo and Shindaiwa

This head is optimized for Echo SRM-225, SRM-210, SRM-230, SRM-2100 and other straight-shaft Echo trimmers. It also covers Echo PAS-210, PAS-211, PAS-225, PAS-230, PAS-260 variants. The same design extends to Shindaiwa models such as T195S, T220, T230, and T2510 families, broadening your upgrade options and keeping your tool ready for different jobs.

With a broad compatibility footprint, you may find it easier to standardize replacement parts across multiple trimmers, reducing inventory confusion and downtime between tasks.

Straight shaft only, no adapters required

Designed specifically for straight shaft trimmers, the unit excludes curved-shaft compatibility and does not include adapters. This keeps installation straightforward on compatible models and minimizes setup complexity for users who prefer a direct fit.

Specifications you can rely on

• Head diameter: 3-3/4 inches for a stable cutting platform.
• Thread: standard M10 x 1.25 left-hand (reverse) thread for secure fit.
• Usage: replacement or upgrade for popular Echo SRM and Shindaiwa straight shaft trimmers.
• Includes: 2-pack, offering consistent performance across two heads.
• Part numbers: 99944200907B / 78890-30000.
• Nut notes: installation nut is replaceable; swap the nut if your machine uses a different part.

Why upgrade to a Speed Feed 400 head

Beyond faster reloads, the robust build is designed to withstand dense weeds and grass, supporting steady cutting performance across longer trimming sessions. As with any aftermarket part, results depend on your tasks, technique, and maintenance routine.

Whether you manage a small residential yard or several acres, this head aims to keep your trimming cadence steady and your equipment in productive service, helping you tackle routine maintenance with less downtime.