Worx Wg509 Vs Wg512

Choosing the right string trimmer for your yard can be tough, especially when looking at two top models like the Worx WG509 vs WG512. Both are powerful tools, but they have key differences that will make one the better fit for your specific needs.

This comparison will break down everything you need to know. We’ll look at power, features, and which jobs each model handles best.

At first glance, these two trimmers seem similar. They both come from Worx’s reliable line of cordless electric tools. But the details in their design and performance set them apart. Understanding these will help you invest in the right tool for the long run.

Core Specifications and Power Systems

The most fundamental difference lies in their power source. This affects everything from runtime to maintenance.

WG509 (20V Power Share): This is a battery-powered trimmer. It uses Worx’s 20V lithium-ion batteries, which are interchangeable across many tools in their ecosystem. It’s lightweight and starts instantly.
WG512 (Electric): This is a corded electric model. It plugs into a standard household outlet. This means unlimited runtime, but you are tethered by the power cord’s length.

What This Means for You

If you have a smaller to medium-sized yard and value complete freedom of movement, the WG509’s cordless design is a huge advantage. You won’t trip over cords or be limited by an extension cable. For very large properties or long jobs where stopping to recharge isn’t ideal, the WG512’s constant power is a benefit, provided you don’t mind managing the cord.

Cutting Performance and Line Feed

Both models are designed for serious trimming, but they approach the task differently.

Dual-Line vs. Single-Line: The Worx WG509 uses a dual 0.065″ line. This gives it a wider cutting swath, allowing you to cover more area quickly. The WG512 uses a single 0.080″ line, which is slightly thicker and can handle slightly tougher weeds.
Command Feed vs. Auto-Feed: This is a critical feature difference. The WG509 features Worx’s Command Feed system. You simply tap the head on the ground while the tool is running to advance more line. It’s intuitive and gives you total control. The WG512 uses an automatic feed (Auto-Feed) that releases line as needed, which can be convenient but sometimes less precise.

Design, Weight, and Handling

How a tool feels in your hands matters, especially for longer sessions.

The battery-powered WG509 is generally lighter and easier to maneuver, especially when edging. The corded WG512 has the motor at the back for balance, but the cord adds drag. Its heavier gauge construction can make it feel more substantial, which some users prefer for tough brush.

Versatility and Additional Features

Both trimmers offer more than just basic string trimming.

2-in-1 Function: A standout feature for both models is their ability to convert from a trimmer to an edger with a simple flip of the shaft. This is incredibly handy for maintaining clean lawn edges without a seperate tool.
Shaft Type: The WG509 typically has a curved shaft, which is often more comfortable for general trimming. The WG512 usually has a straight shaft, which can be better for reaching under bushes and for taller users.
Additional Attachments: Some versions of the WG509 may be part of a system that allows for other attachments, like a blower or cultivator, thanks to its Power Share battery platform.

Which One Should You Choose? A Simple Guide

Still unsure? Let’s match the tool to your typical yard work.

Choose the Worx WG509 if:

Your yard is under half an acre.
You have many obstacles (trees, gardens, fences) where a cord would be a hassle.
You already own other Worx 20V tools (so you can share batteries).
You prefer the quick, manual control of the Command Feed line system.

Choose the Worx WG512 if:

You have a large yard or very long trimming sessions.
You have easy access to outdoor power outlets.
You want the simplicity of just plugging in and working without worrying about battery charge.
You perfer a straight shaft design for your trimming style.

Maintenance and Care Tips

To keep either trimmer running smoothly for years, follow these basic steps.

Always clean the head after use to prevent grass and debris buildup.
For the WG509, store batteries in a cool, dry place. For the WG512, always check the cord for damage before use.
Use only the recommended trimmer line size for your model to avoid feed issues.
Before winter storage, give the tool a good cleaning and, for the WG509, store the battery partially charged.

Frequently Asked Questions (FAQ)

Can the WG509 and WG512 use brush cutter blades?

Officially, Worx designs these models primarily for use with trimmer line. While some users may adapt blades, it’s not recommended as it can void the warranty and may be unsafe without proper guarding.

How long does the WG509 battery last?

Runtime varies based on battery Ah rating and how thick the vegetation is. A standard 2.0Ah battery might last 20-30 minutes of continuous use in average grass, while a 4.0Ah or 5.0Ah battery will last significantly longer.

What is the main advantage of the Worx WG512e?

The main advantage of the corded WG512 is consistent, unlimited power. You never have to stop to recharge, making it reliable for big jobs as long as you have an outlet and extension cord.

Is the line feed system on the WG509 reliable?

The Command Feed on the WG509 is generally considered very reliable and user-friendly. It reduces wasted line because you only advance it when you need to, unlike fully automatic systems that can sometimes jam or release line unnessarily.

Final Thoughts

Both the Worx WG509 and WG512 are excellent trimmers that offer great value. Your decision ultimately comes down to your preference for power source. The cordless freedom of the WG509 is a game-changer for most residential users. The plug-in consistency of the WG512 is perfect for those with larger, open areas and no battery ecosystem.

By considering your yard’s size, layout, and your own preferences for handling, you can confidently choose the model that will keep your lawn looking its best with minimal fuss. Remember to always wear safety glasses and proper footwear while operating any power tool.