DeWalt DCST925M1 vs DCST920P1 Brushless String Trimmer

The string trimmers will help you to maintain a nice look of your lawn edges and remove any other types of overgrowths in your garden.

If you want a high-performance model, you would have the chance of either the DeWalt DCST925M1 or the DeWalt DCS920P1 unit.

We have reviewed these models below by identifying the top features to help you learn more.

At the of the guide, you would easily make an informed decision about which would be great for you.

What to Consider

Cutting Swath

The cutting swath will determine just how good it is for handling the different growth in your garden or lawn. We suggest that you go for a model with more cutting swath so that you do not end up struggling to handle the different applications you might have in mind.

Battery Capacity

You also have to consider the battery capacity. Having a model that has more battery capacity means that you get more runtime while at the same time have more power to cut the tough growths in the garden.

Look at the product specification area to see what kind of battery system you get with the unit.

Feeding Type

The feeding type will vary from one unit to another. It can be an automatic or bump type. Whichever method, look at how easy it is to feed the line. Some models can have the bump style that is still easy to feed the line into the unit.

Read More:  Pan Head Self Tapping Wood & Machine Screws


The overall period of warranty should give you peace of mind that you are buying a great tool. There are models that can have warranties of up to three years. This will give you the confidence in the tool knowing that it can last for longer.

Let’s Compare

DeWalt DCST925M1 String Trimmer

It is hard to go wrong with a DeWalt string trimmer. That is exactly what you experience with the DeWalt DCST925M1 string trimmer. There is a lot more to experience other than it is from a DeWalt brand. Let us check out its features below.

The Cutting Capacity

The cutting capacity is a crucial consideration for many buyers. Well, this one has a cutting swath of 13 inches using a 0.080” line. As such, it is going to be a nice option for many to get for handling the various applications.

su_youtube url=””]

The Speed

As for the speed, we are looking at a model that can go up to a maximum speed of 6,300 RPM. For many, this kind of speed is good for leaving you with clean cuts.

Still, as part of the speed, the unit comes with a variable trigger with the option of running the unit at either low or high speed. The low speed can be used when you want to use it for extended periods. The high speed is for more power delivery.

Battery System

The battery system of this unit is all about more power delivery than the models before it. It uses the 20V MAX 4.0Ah lithium-ion battery. This type of battery is good for handling any trimming applications you might have to handle in mind.

Read More:  DEWALT VS Makita Circular Saw [Full Comparison]

The Gear System

The unit has the best gear drive transmission design from DeWalt. The result is that the gear system will allow for the power to get down for easier and faster cutting of the overgrowth.

The Weight

The model weighs 7.4lbs., which is good enough for many to use for long sessions. It might not be the most lightweight among the string trimmers, but it is still lightweight enough for many users. They would use it for hours without necessarily feeling it is too heavy for them.

Being lightweight is also a nice addition to the ergonomic and balanced design. This helps you to move the unit freely while working on a project.

DeWalt DCST920P1 Brushless Trimmer

If you are willing to spend more, then the DeWalt DCST920P1 unit can be a nice option to consider too. It has more battery capacity and performance. Below are features to expect from this brushless trimmer.

Patented Gear Drive Design

The patented gear drive design is a nice addition to the common transmissions you get with other units. Being a new design, we expect it to be better. Well, DeWalt does not disappoint as this gear system allows for powering through any growth with ease.

YouTube video

The Weight

As for the weight, the model weighs 8.5 pounds. Some might find it not being the most lightweight model they have always wanted, but it is still good to keep you from feeling fatigued.

Still, the overall design will help you to easily control and minimize the stress on the arms. As such, you can get more people going for it right now.

Read More:  Champion vs. Predator Inverter Generator: Which is Best?

Variable Speed

You should enjoy the variable speed option that you get with the model. There are two-speed options for you to use. They include 0 to 4,600 RPM and 0 to 6,000 RPM. Depending on the application, it is easy to choose which speed to use.

Line Feeding

Another top consideration for many users would be the type of line feeding you get with a model. Well, this one offers the bump style of feeding.

The best part is that it also comes with the QuickLoad spool system that allows for fast and easy re-spooling of the line.

High-Efficiency Motor

The unit features a brushless motor as part of its construction. The result is that it will live up to your durability needs. This is because a brushless motor does not need a lot of maintenance compared to brushed motors.

Also, the brushless motors are good for maximizing the runtime. This is because it does not consume a lot of power so it should be good for your battery.

The Battery

The 5.0Ah lithium battery easily stands out as a nice option for you to get right now. It will always help you to cover a lot more without necessarily worrying that the charge will deplete faster. Since it uses the 20V MAX system, you will find that it is compatible with many batteries in the market.


Does the DeWalt DCST920PL have the edging component?

No. Unfortunately, it lacks the edging feature. However, it can be used for edging by a skilled user. It will not be easy, but it can be done.

Read More:  How to Change a Drill Bit? [Keyed & Keyless Chucks]

What is the warranty from DeWalt like?

DeWalt offers up to 3 years of warranty on most string trimmers. This is enough time to enjoy the tool without worrying too much that it might break down and require expensive repairs.

Can you use the DeWalt DCST925M1 for commercial applications?

Yes. It has enough power to handle various applications. It performs better for various commercial applications than what you get with other units in the same category.


The two models above might not be the cheapest in the market, however, they live up to their price. They are both built for performance, and ease of use, and contain better battery capacity. It is easy to see why they would be perfect for various applications.

The DeWalt DCST920P1 stands out as a better option because it has more battery capacity, it is easy to re-spool the line, and has a variable speed option. It should be a choice for many who also want something for commercial use.

Leave a Comment