
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
| Specification | Ryobi RY904500 | Predator 59192 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| 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 gauge | No | No |
| 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 outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| 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 | ||
| Gasoline | Not available | Not 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 arrestor | Yes | No |
| 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 Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| 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 PowerfulPredator 591923650W running
- QuietestPredator 5919264.6 dB
- Longest RuntimeRyobi RY90450010h at 50% load


