DeWalt DCS571B vs. Skilsaw SPT77WML-01

We’ll take a look at these two circular saws: the DeWalt DCS571B and the Skilsaw SPT77WML-01.

Features & Benefits

You can read more in our roundup of the best compact circular saws and the best full-size circular saws.

Power & Motor

The SPT77WML-01 is corded, runs on 120 V, and draws 15 amps. Standard U.S. residential circuits are 120 V, 15 A, which will support the.

The DCS571B is cordless and requires 20 V batteries.

The DCS571B motor produces 4500 rpm and the SPT77WML-01 motor produces 5300 rpm. Don’t pay too much attention to these numbers, because the manufacturers measure them under no-load conditions, and they don’t have a useful impact on the saw’s real-world ability to handle different material.

The SPT77WML-01 has a worm-drive motor. Worm-drive motors are longer and heavier, but often more powerful and easier to control due to the weight being more centered.

Blades & Capacity

The DCS571B accepts 4 1/2” diameter saw blades and has a 3/8” arbor. The SPT77WML-01 takes 7 1/4” diameter blades and has a 5/8” arbor. Most 8-to-10” blades have a 5/8” arbor hole, so this size of arbor maximizes blade compatibility.

The DCS571B can bevel up to 45° and can cut up to 1 9/16” deep at a 90° angle. The SPT77WML-01 can bevel the blade up to 53°, can cut up to 2 3/8” at a 90° angle, and can cut up to 1 15/16” deep at a 45° angle.

When beveling the saw, most circular saws will have positive stops at common angles such as 45° and 90°. This ensures you are making precise cuts. Some saws have additional stops at other angles.

The DeWalt has stops at 90 Degrees. The Skilsaw has stops at 45°.

Both saws have the blade on the left side of the unit. Right-handers sometimes find it easier to see and control blades mounted to the left, while left-handers might find the same true for right-mounted blades.

Pros & Cons

Let’s take a look at some of the pluses and minuses of these products.

For the DeWalt:

For the SPT77WML-01:

Comparison Chart

Below is a full side-by-side look at these products’ specs. You can view comparisons of the DeWalt DCS571B with other products

	DeWalt DCS571B	Skilsaw SPT77WML-01
Brand	DeWalt	Skilsaw
Power Type	cordless	corded
Power - Voltage	20 V	120 V
Power - Amps		15 A
No-load RPM	4500 rpm	5300 rpm
Blade Diameter	4 1/2”	7 1/4”
Maximum Bevel	45°	53°
Depth of Cut (at 90°)	1 9/16”	2 3/8”
Depth of Cut (at 45°)		1 15/16”
Arbor Size	3/8”	5/8”
Dimensions	5 1/8” W × 17.6” L × 6.687” H	19 1/2” L × 7” H
Weight	6.6 lbs	11.5 lbs
Blade - Side	left	left
Drive Mechanism		worm-drive
Stops	90 Degrees	45°
Warranty	3 Year Limited Warranty	1 year
Pros	As powerful as corded circular saws Easy to hold and maneuver one-handed	Lots of torque for cutting difficult material Good build quality Blade-left design provides good visibility Easy to track straight cut lines
Cons	Dust port adapter tends to fall off during use	Heavier than most direct-drive saws
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