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Ryobi RY904500 vs Predator 59192

Ryobi RY904500 vs Predator 59192

Ryobi RY904500 vs Predator 59192: similar 3,600W class power, but Predator is far quieter and lighter, while Ryobi adds a 3-year warranty.

  • Ryobi RY904500
  • Predator 59192

Comparison Overview

The biggest real-world difference is comfort and portability: the Predator 59192 is rated at 64.6 dB and weighs 77 lb, while the Ryobi RY904500 is listed at 82 dB and 115 lb. If you will run a generator near people, neighbors, or a work area for hours, that noise gap is hard to ignore, and the weight difference matters every time you load it.

Power output is essentially a tie. The Ryobi delivers 3600 running watts and 4500 starting watts, and the Predator delivers 3650 running watts and 4550 starting watts. Both are conventional (non-inverter) gasoline generators, so they are better suited to tools, sump pumps, fridges, and general backup loads than to sensitive electronics without extra precautions.

Runtime data is clearer on the Ryobi, which is rated for 10 hours at 50% load. Warranty also favors Ryobi with 3 years listed, while the Predator warranty is not provided here. Pick Predator if quiet and lighter handling are top priorities, and pick Ryobi if you value published runtime and a longer stated warranty.

Key takeaways

  • Predator 59192 runs at 64.6 dB and weighs 77 lb for easier handling.
  • Ryobi RY904500 is louder at 82 dB and heavier at 115 lb.
  • Both deliver similar power, 3600-3650 running watts and 4500-4550 starting watts.
  • Ryobi lists 10 hours runtime at 50% load, helpful for outage planning.
  • Ryobi includes a 3-year warranty, Predator warranty is not provided here.

Best use cases

Choose the Ryobi RY904500 if you want a straightforward home-backup style generator with more published ownership details. With 3600 running watts and 4500 starting watts, it is a good fit for keeping essentials going during an outage, like a refrigerator, some lights, a router, and intermittent loads like a microwave (as long as you manage what runs at the same time). The listed 10 hours at 50% load helps if you are planning overnight coverage or trying to estimate fuel needs. It is also the safer bet if warranty coverage is a deciding factor, since it lists 3 years. The tradeoff is day-to-day handling and comfort: at 115 lb and 82 dB, it can feel bulky to move and noticeably loud if it is running close to the house or in a busy work area.

Choose the Predator 59192 if you care most about a generator that is easier to live with while it is running and easier to move. It is slightly higher on paper at 3650 running watts and 4550 starting watts, but the bigger practical advantages are 64.6 dB noise and 77 lb weight. That makes it a better match for job sites where you are standing near it, for driveway use where neighbors are close, or for anyone who loads a generator in and out of a vehicle. The tradeoffs are that runtime numbers are not provided here, and warranty information is not listed, so you may need to confirm those details before buying. Like the Ryobi, it is not an inverter model, so plan to use a quality surge protector or a separate inverter/UPS for sensitive electronics.

Verdict & recommendation

If your priority is a generator that is noticeably quieter and easier to transport, the Predator 59192 is the more practical day-to-day choice, thanks to 64.6 dB noise and a 77 lb weight. If your priority is clearer planning information and longer stated coverage, the Ryobi RY904500 stands out with a published 10-hour runtime at 50% load and a 3-year warranty.

Because their power is so close (3600/4500 watts vs 3650/4550 watts), the decision usually comes down to where you will run it and how often you will move it. Choose based on your tolerance for noise and lifting versus your preference for documented runtime and warranty support.

Last updated February 26, 2026

  • Model RY904500
    Model RY904500

    Ryobi 3,600W Gas Generator

    3600W
    Running
    82 dB
    Noise
    View details
  • Model 59192
    Model 59192

    Predator 3,650W Gas Generator

    3650W
    Running
    64.6 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationRyobi RY904500Predator 59192
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
3600 W
Winner: Winner: 3650 W
Starting watts
4500 W
Winner: Winner: 4550 W
Noise (lower limit)
82 dB
Winner: Winner: 64.6 dB
Weight
115 lbs
Winner: Winner: 77 lbs
Run time @50% load
Winner: Winner: 10 h
Not available
Run time @25% load
Not available
Not available
Fuel tank
4 gal
Not available
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
24 x 26 x 20
20.86 x 18.11 x 17.71
Electrical
Voltage (AC)
120
120V
Voltage (DC)
Not available
Not available
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
Not available
Not available
Engine
Engine
212 cc OHV 4-stroke
Not available
Alternator
Not available
Not available
Starting system
Recoil
Not available
Warranty
Warranty
3 years
Not available
Power by fuel
GasolineNot availableNot available
Running watts
3600 W
Not available
Starting watts
4500 W
Not available
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
10 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
Not available
Compliance
EPA
Not available
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Not available
Not available
UPC
46396056023
Not available
Core / High-priority specs
Running Watts (Gasoline)
3600
Not available
Starting Watts (Gasoline)
4500
Not available
Runtime @ 50% Load (Gasoline)
10
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Not available
Electrical & power
Frequency
60
Not available
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
212
223
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil and wheel kit
Not available
Additional specs
Summary
The Ryobi RY904500 is a 3600-watt portable gasoline generator, delivering 4500 starting watts. It features a 212cc OHV engine, a 4-gallon fuel tank providing up to 10 hours of runtime at 50% load, and is RV-ready with a 120V 30A RV outlet.
The Predator 4550 Watt Open-Frame Inverter Generator (Model 59192) offers 3650 running watts and 4550 starting watts, featuring CO SECURE Technology for safety, and is suitable for various applications including camping and RV use.
  • Most Powerful
    Predator 59192
    3650W running
  • Quietest
    Predator 59192
    64.6 dB
  • Longest Runtime
    Ryobi RY904500
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
Ryobi RY904500
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Predator 59192
Store links
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