EGO STA1600 String Trimmer Attachment Review
The EGO STA1600 is a 16-inch carbon fiber string trimmer attachment designed for EGO’s 56V Multi-Head System. Built with a lightweight yet ultra-durable carbon fiber shaft, it’s engineered for comfort and long-term use—backed by a lifetime shaft warranty.
EGO STA1600 16-Inch Carbon Fiber String Trimmer Attachment
Features
Specifications
Brand | EGO |
Model Name | STA1600 |
Attachment Type | String Trimmer Attachment |
Shaft Material | Carbon Fiber |
Trimmer Line Type | Dual-feed, spiral twist, 0.095-inch diameter |
Line Reloading Method | POWERLOAD™ (with PH1420) or Rapid Reload (with PH1400) |
Cutting Swath | 16 inches |
Weather Resistance Rating | IPX4 (resistant to water splashes from any direction) |
Warranty (Tool) | 5 years |
Weight (Attachment Only) | Approx. 3.5 lbs |
The design
The design of the EGO STA1600 centers around its carbon fiber shaft, which offers an ideal mix of strength and lightness. Unlike traditional metal shafts, it won’t bend or wear out easily, and it even comes with a lifetime warranty for peace of mind. This makes the trimmer attachment reliable for long-term use.
Its straight shaft build adds to the practicality, giving you better reach in tight spots and along tricky edges. The overall design is sleek and ergonomic, so it feels balanced in your hands. This means less fatigue during longer trimming sessions while still delivering professional-level results.
Lightweight and durable build
The EGO STA1600 is built with a carbon fiber shaft, giving it impressive strength while keeping the weight down to just about 3.5 lbs (without battery). This makes it much easier to handle compared to heavier trimmers, especially during long trimming sessions. You get durability without feeling weighed down.
Its lightweight and tough construction means less strain on your arms while still standing up to tough yard work. The carbon fiber design also resists bending or damage, so it lasts longer. It’s a perfect balance of comfort and reliability in one attachment.
The performance
The performance of the EGO STA1600 stands out for its 16-inch cutting swath, which allows you to cover more ground in less time. The dual 2.4 mm twist line with a bump feed system ensures smooth, consistent trimming without frequent interruptions.
When paired with an EGO power head, it delivers high-speed cutting power that easily handles thick grass and weeds. The lightweight carbon fiber shaft also improves control, so you get clean, precise cuts while reducing strain during longer jobs.
POWERLOAD™ Technology
POWERLOAD™ Technology is one of those features that just makes life easier. Instead of fumbling with trimmer line and trying to wind it by hand, you just thread it through the head, press a button, and it loads itself—done in seconds.
It’s only available if you pair the STA1600 with the PH1420 power head, since the tech is built into the motor unit, not the attachment. Once you try it, you won’t want to go back to traditional line loading—it really takes the frustration out of the job.
Part of the Multi-Head System
The EGO STA1600 is part of EGO’s Multi-Head System, meaning it works with interchangeable power heads like the PH1400 and PH1420. This setup lets you switch between tools—string trimmer, edger, pole saw, and more—using one motor unit.
With the PH1400, you get Rapid Reload for quick manual line loading. Pair it with the PH1420, and you unlock the POWERLOAD™ feature, which winds the line with the push of a button. It’s a flexible, money-saving system built for convenience and performance.
Tool-Free Quick Connect
The EGO STA1600 features a Tool-Free Quick Connect system that makes switching attachments fast and easy. Just align, insert, and twist—no tools, no hassle. It’s perfect for users who want to save time and avoid frustration.
This design allows seamless transitions between trimming, edging, and other yard tasks. Whether you’re a homeowner or a pro, the quick connect system adds serious convenience to your workflow.
Warranty
The EGO STA1600 comes with a 5-year limited warranty when purchased through authorized EGO retailers. This covers defects in materials or workmanship, giving you peace of mind that the attachment is built to last.
For batteries and chargers, EGO offers a 3-year limited warranty. If the tool is used for commercial or professional purposes, the warranty period is reduced to 1 year. This ensures solid support whether you’re a homeowner or a pro user.
Value for money
The EGO STA1600 offers strong value for money if you’re already using EGO’s multi-head system.
Its carbon fiber build, POWERLOAD™ tech, and wide 16″ swath justify the price for serious users.
You get pro-grade performance with less fatigue and a lifetime shaft warranty.
As a standalone attachment, it’s a bit pricey—but bundle deals improve the value.
It’s perfect if you plan to expand with more tools like an edger or pole saw.
For quality, comfort, and long-term savings, this attachment is a smart investment.
EGO STA1600 Vs STA1500
Model Name | Ego STA1600 | Ego STA1500 |
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Shaft type | Carbon‑fiber straight shaft (lifetime warranty) | Aluminum straight shaft (no lifetime warranty) |
Cutting width | 16 inches | 15 inches |
Line-loading | POWERLOAD™ auto-feed (with PH1420 head); Rapid Reload with PH1400 | Bump-feed / Rapid Reload (no POWERLOAD) |
Line diameter | 0.095 in dual‑line | 0.095 in dual‑line |
Motor/head compatibility | Works with PH1400 & PH1420 (auto-load works with PH1420 only) | Works with PH1400 & PH1420 |
Weight (attachment only) | 3.4 lbs | 3.5 lbs |
Warranty | 5‑year tool + lifetime shaft warranty | 5‑year tool warranty |
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Price |
Conclusion
The EGO STA1600 combines strength, comfort, and smart design in one durable attachment.
It’s ideal for users already in the EGO ecosystem or planning to expand their tool lineup.
With its carbon fiber shaft and performance features, it’s built to last and worth the investment.