Dewalt DCS577B vs DCS578B – What is the Difference?

Are you trying to decide between the Dewalt DCS577B and the DCS578B Circular Saw? Well, you’re in luck! We’ve put together a comprehensive comparison of these two saws to help make your decision easier. From blade size and power specs to material compatibility, we’ll take a look at all of the features that make these circular saws so popular for DIYers and professionals alike. So without further ado, let’s dive into this side-by-side comparison of the Dewalt DCS577B vs. DCS578B circular saws!

Dewalt DCS577B:

dewalt dcs577b

The DEWALT DCS577B is a powerful cordless circular saw designed to make precise cuts quickly and efficiently. This saw features a 7-1/4 inch blade oriented to the left of the motor, with its handle positioned at the rear for easy line of sight. The saw has an electronic brake that helps stops the blade after the trigger is released, making it highly safe for use. It also offers an impressive bevel capacity of 53 degrees with stops at 45 degrees and 22.5 degrees, allowing for greater versatility when cutting.

This saw is made from high-grade magnesium and features an efficient brushless motor for smooth and accurate cuts. This allows for increased runtime when in use as well as higher speeds: up to 5800 RPMs to achieve a 2-7/16 inch depth of cut at 90 degrees. For added convenience, this device includes a blade wrench and has dimensions of 18 x 9 x 8.2 inches – making it very compact in size and light enough to carry comfortably (weighing only 10.9 pounds). Furthermore, this tool runs on one lithium-ion battery (not included) and comes with a 3-year warranty plus a 1-year free service pledge. 

Overall, we found the DEWALT DCS577B to be a fantastic choice for both experienced professionals as well as hobbyists looking for efficient precision cutting capabilities. Not only does it offer great power thanks to its brushless motor but it’s also lightweight and compact in size which makes it easy to transport and use in tight workspaces. Additionally, users can benefit from its impressive bevel capacity ranging from 45 to 53 degrees which offers plenty of versatility when working with different materials and surfaces – allowing you to get the job done faster than ever before!

  • Electronic brake helps stops the blade after the trigger is released
  • Onboard blade wrench storage offers convenience when changing blades
  • Integrated dust blower allows the user to clear its line of sight while cutting
  • Includes a rafter hook that allows users to hang their tools for convenience
  • Battery not included

Dewalt DCS578B:

dewalt dcs578b

The Dewalt DCS578B 7-1/4” Circular Saw is a powerful and reliable tool for construction professionals and DIYers alike. The cordless saw offers forty-seven percent more power than the DCS575, making it an ideal choice for cutting through tough materials. With its integrated LED light, rafter hook, and electric brake, this saw provides users with features that make the job easier and safer.

This circular saw has a maximum cut depth of 2-9/16 inches at a 90-degree bevel. It also has a maximum bevel capacity of 57 degrees with preset stops at 22.5 and forty-five degrees. The saw includes a blade wrench so you don’t have to worry about searching for one when changing blades. Plus, the included 7-1/4 inch cordless circular saw blade makes it easy to get started right away without having to purchase additional blades.

The integrated LED light provides increased visibility during use as well as better accuracy when making cuts, while the electric brake stops the blade after the trigger is released for added safety. There’s also an integrated rafter hook for quick and easy storage when not in use. This is especially helpful if you’re working in tight spaces where space is limited or hard-to-reach items are needed to be stored away quickly and easily. 

When talking about the power source, this Dewalt model runs off of 60V batteries (not included). The motor runs at 5800 rpm which allows users to quickly cut through tougher materials such as wood, metal or plastic without any problems. The product dimensions are 15.35 x 8.23 x 9.65 inches with a total weight of 8.2 pounds which makes it lightweight enough to be used for long periods of time without becoming too heavy or uncomfortable to maneuver around job sites if necessary. 

The Dewalt DCS578B 7-1/4” Circular Saw comes with a 3-year warranty so you can rest assured that your investment will last you many years down the road if taken care of properly. In conclusion, this is an excellent choice for anyone looking for higher power combined with convenience features like LED lights and electric brakes all wrapped up in one affordable package!

  • Powerful motor with up to 47% more power than the DCS575
  • Compact size and lightweight design make it easy to use and store
  • Electric brake stops the blade after the trigger is released
  • Integrated LED for increased visibility and cut accuracy
  • Integrated rafter hook for quick and easy storage
  • Battery not included

Comparison of Dewalt DCS577B vs DCS578B

The Dewalt DCS577B and DCS578B are two powerful, reliable circular saws that are popular with DIYers and professionals alike. Both saws have a 7 1/4-inch blade and feature the same brushless motor for smooth, accurate cuts and long runtime. They also both include a bevel capacity of 53 degrees with stops at forty-five degrees and 22.5 degrees. However, there are some key differences between these two tools that make one better suited for certain applications than the other.

When it comes to power specs, the Dewalt DCS577B has an impressive 15 amps and 5800 RPM, while the DCS578B has even more power with 60 volts, making it 47% more powerful than its predecessor. The DCS578B also has an onboard LED for increased visibility and cut accuracy, as well as a brake that stops the blade after the trigger is released.

The DCS577B also includes some handy features such as a rafter hook for quick storage, an integrated dust blower to clear your line of sight while cutting, and onboard blade wrench storage for convenience when changing blades. But if you need a saw that can handle tougher projects, the DCS578B comes with an impressive 2-9/16 inch depth of cut at 90 degrees, as well as a high-grade magnesium shoe for increased durability.

Both circular saws are compatible with Dewalt’s FLEXVOLT battery system, so you can use either one with the same compatible battery. However, the DCS578B is slightly heavier at 10.9 pounds compared to the DCS577B’s 8.2-pound weight, which could make a difference in portability or storage if space is an issue.

Final Words

Both of these circular saws are top-of-the-line and offer great performance and features for DIYers and professionals alike. If you’re looking for something powerful but still lightweight and portable, then go with the Dewalt DCS577B. But if you need more power and depth of cut for tougher projects, then choose the Dewalt DCS578B for its impressive power specs and additional features. No matter which you choose, you can rest assured knowing that you’ll have a reliable saw that will last for years to come!

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