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Real review of miter saws vs alternatives to help you choose smart and save money.
What sets the RYOBI P551 apart from the rest? These 137 specs & features — including miter saw category, maximum output torque, power consumption & blade speed — just might be the difference.
A fast snapshot of the RYOBI P551, covering its standout specification and what you can expect right out of the box.
RYOBI P551
The RYOBI P551 is a compact cordless 7-1/4-inch miter saw designed for portability and convenience. It runs on the ONE+ battery system, making it ideal for light-duty cutting without needing a power outlet. Its lightweight build and laser guide make it especially appealing for DIYers and quick jobsite tasks.
Quick Specs Breakdown
The key specs that actually matter—no fluff, no guesswork
Here’s a streamlined view of the RYOBI P551 key specifications. Compare critical features at a glance before exploring the full specs and hands-on insights below.
General Information
Miter Saw Category
What category of miter saw is this?
Compound
Warranty Length
What is the warranty length?
3 Years
Motor & Power
Maximum Output Torque
What is the maximum output torque?
20 lb-ft
Power Consumption
What is the power consumption?
1500 Watt
Blade & Cutting System
Blade Speed
What is the blade speed?
5000 RPM
Maximum Miter Angle Left
What is the maximum left miter angle?
45 degree
Dimensions & Weight
Width
What is the overall width?
18 inch
Depth
What is the overall depth?
12 inch
Height
What is the overall height?
15 inch
Safety Features
Dust Collection Efficiency
What is the dust collection efficiency?
85 %
Blade Guard Type
What type of blade guard does it use?
Transparent
Cutting Accuracy & Adjustability
Miter Detent Plate Type
What type of miter detent plate is used?
Stainless Steel
Sliding Rail System
Does it have a sliding rail system?
No
Build Material & Durability
Blade Guard Material
What is the blade guard material?
Polycarbonate
Impact Resistant Components
Are components impact resistant?
No
Noise & Vibration
Vibration Level
What is the vibration level?
5 mm/s
Maintenance & Serviceability
Brush Access Design
What type of brush access design does it use?
External Access
Warranty Service Type
What type of warranty service is provided?
Authorized Service Center
Compatibility & Mounting
Mounting Hole Pattern
What is the mounting hole pattern?
4-Hole
Compatible Blade Types
What blade types are compatible?
Crosscut,Combination
Design & Ergonomics
Color Finish
What is the color finish?
Green
Control Placement
Where are the controls placed?
Front Mounted
Packaging & Logistics
Assembly Required
Is assembly required?
Yes
Assembly Tools
Are assembly tools included?
Yes
Specifications & Facts
137
Specs measured. Drama avoided.
Not just numbers on a box. We looked at how the RYOBI P551 actually performs with specs like miter saw category, maximum output torque, power consumption & blade speed and others that users rely on daily.
This is the typical electrical draw under load and helps determine circuit and generator requirements.
Shows total electrical power usage during operation.
When it comes to Power Consumption,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
194.9 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption on RYOBI P551
◉ and help others decide!
RYOBI P551
Motor Power
What is the motor power?
4,500
Watt
0Votes
1,213.98
Watt (Average)
RYOBI P551
Motor power is 4500 W (4.5 kW).
This rating indicates input power capacity of the motor; higher wattage generally supports more demanding cutting tasks.
Indicates the rated motor power output for cutting performance.
When it comes to Motor Power,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
3,286.0 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Motor Power on RYOBI P551
◉ and help others decide!
RYOBI P551
Motor Frequency
What is the motor frequency?
60
Hz
0Votes
59.13
Hz (Average)
RYOBI P551
Motor frequency is 60 Hz, the standard mains frequency in North America.
This reflects the intended regional electrical supply for the motor.
Defines the AC power frequency compatibility.
When it comes to Motor Frequency,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
0.9 Hz
measurement.
Don’t keep it to yourself — be the first to react and review the
Motor Frequency on RYOBI P551
◉ and help others decide!
RYOBI P551
No Load Speed
What is the no-load speed?
5,000
RPM
0Votes
4,382.08
RPM (Average)
RYOBI P551
No-load speed is 5000 RPM.
This is the motor speed without material load and influences cutting aggressiveness and surface finish.
Indicates blade rotation speed without load.
When it comes to No Load Speed,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
617.9 RPM
measurement.
Don’t keep it to yourself — be the first to react and review the
No Load Speed on RYOBI P551
◉ and help others decide!
RYOBI P551
Recommended Generator Size
What generator size is recommended?
2,000
Watt
0Votes
2,160.71
Watt (Average)
RYOBI P551
Recommended generator size is 2000 W (2 kW).
Use a generator rated at or above this output to avoid voltage drop or tripping when running the saw.
Minimum generator output recommended for safe operation.
When it comes to Recommended Generator Size,
RYOBI P551 ◉ is
worse than
Miter Saw in this range ◉
, delivering
equal
160.7 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Recommended Generator Size on RYOBI P551
◉ and help others decide!
RYOBI P551
Peak Horsepower
What is the peak horsepower?
1.5
HP
0Votes
2.68
HP (Average)
RYOBI P551
Peak horsepower is 1.5 HP (1.12 kW).
Peak HP reflects brief maximum power capability under load and can affect the saw's ability to start through dense material, though continuous ratings are typically lower.
Indicates peak horsepower rating of the motor.
When it comes to Peak Horsepower,
RYOBI P551 ◉ is
worse than
Miter Saw in this range ◉
, delivering
equal
1.2 HP
measurement.
Don’t keep it to yourself — be the first to react and review the
Peak Horsepower on RYOBI P551
◉ and help others decide!
RYOBI P551
Motor Voltage
What voltage does it operate on?
18
Volt
0Votes
88.98
Volt (Average)
Specifies the operating voltage requirement.
When it comes to Motor Voltage,
RYOBI P551 ◉ is
worse than
Miter Saw in this range ◉
, delivering
equal
71.0 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Motor Voltage on RYOBI P551
◉ and help others decide!
RYOBI P551
Motor Amperage
What is the motor amperage?
6
Amp
0Votes
15.74
Amp (Average)
Shows the current draw under rated load.
When it comes to Motor Amperage,
RYOBI P551 ◉ is
worse than
Miter Saw in this range ◉
, delivering
equal
9.7 Amp
measurement.
Don’t keep it to yourself — be the first to react and review the
Motor Amperage on RYOBI P551
◉ and help others decide!
RYOBI P551
Soft Start
Does it feature soft start?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Gradually increases motor speed to reduce startup shock.
When it comes to Soft Start,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
27 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Soft Start on RYOBI P551
◉ and help others decide!
RYOBI P551
Electric Brake
Does it have an electric brake?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Stops blade quickly after trigger release.
When it comes to Electric Brake,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
9 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Electric Brake on RYOBI P551
◉ and help others decide!
RYOBI P551
Drive Type
What type of drive system is used?
82
RYOBI P551
0
Votes
Direct Drive
76
Miter Saws in this range
Direct Drive
Defines how power transfers from motor to blade.
When it comes to Drive Type,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
6 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Drive Type on RYOBI P551
◉ and help others decide!
RYOBI P551
Battery Platform Compatibility
Which battery platform is compatible?
91
RYOBI P551
0
Votes
Lithium-Ion
87
Miter Saws in this range
Lithium-Ion
Indicates which battery platform is compatible with the saw.
When it comes to Battery Platform Compatibility,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
4 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Battery Platform Compatibility on RYOBI P551
◉ and help others decide!
RYOBI P551
Battery
Is a battery included?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Indicates whether a battery is included (cordless models).
When it comes to Battery,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Battery on RYOBI P551
◉ and help others decide!
RYOBI P551
Charger
Is a charger included?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Indicates whether a charger is included.
When it comes to Charger,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Charger on RYOBI P551
◉ and help others decide!
RYOBI P551
Thermal Overload Protection
Does it have thermal overload protection?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Protects motor from overheating damage.
When it comes to Thermal Overload Protection,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
6 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Thermal Overload Protection on RYOBI P551
◉ and help others decide!
RYOBI P551
Power Indicator Light
Does it have a power indicator light?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Visual indicator showing power status.
When it comes to Power Indicator Light,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
32 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Indicator Light on RYOBI P551
◉ and help others decide!
RYOBI P551
Restart Protection
Does it have restart protection?
Yes
0Votes
RYOBI P551
Yes
Miter Saws in this range
Prevents automatic restart after power interruption.
When it comes to Restart Protection,
RYOBI P551 ◉ is
better than
Miter Saw in this range ◉
, delivering
higher
31 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Restart Protection on RYOBI P551
◉ and help others decide!