Ryobi RYi4022X
#8 in Mid-sizeFull review
A simple open-frame inverter for RVs and outage backup with certified low-CO safety. Enclosed rivals are quieter for similar money.
Ryobi $889$889
The Ryobi RYi4022X is the better inverter generator overall, rated 3.6 to 3.3. The Ryobi RYi4022X leads on run time. The Pulsar PGD40ISCO wins on value. The Pulsar PGD40ISCO costs $438.93 less ($450.07 vs $889).
Pulsar PGD40ISCO
#13 in Mid-sizeFull review
A light, inexpensive 4,000 W inverter for RV owners who need to start a rooftop air conditioner without hauling a heavy generator. Expect frequent refueling.
Amazon $450.07$450.07
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Ryobi RYi4022X for run time (15.8 hours on a tank at 25% load (scaled from 50%) vs 5.3 hours on a tank at 25% load (scaled from 50%)).
- Choose the Pulsar PGD40ISCO for value ($0.14 per running watt vs $0.26 per running watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ryobi RYi4022X | Pulsar PGD40ISCO |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 30% | 72 $0.26 per running watt | 100 $0.14 per running watt |
| Quiet 20% | 50 noise level not published (neutral score used) | 44 59 dBA at light load, maker rating |
| Run time 15% | 82 15.8 hours on a tank at 25% load (scaled from 50%) | 0 5.3 hours on a tank at 25% load (scaled from 50%) |
| Fuel options 10% | 0 gasoline only | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 50 CO shutoff not stated (neutral score used) |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
| Starting 5% | 0 pull start only | 50 starting method not stated (neutral score used) |
Specifications
| Ryobi RYi4022X | Pulsar PGD40ISCO | |
|---|---|---|
| Output | ||
| Gasoline | 3,400 W running, 4,000 W starting | 3,200 W running, 4,000 W starting |
| Outlets | 4 × 120 V, TT-30 (RV) | - |
| Parallel capable | - | Yes |
| Price per watt | $0.26 | $0.14 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 3.2 gal | 1 gal |
| Run time (gasoline) | 12 hr at 50% load | 4 hr at 50% load |
| Engine | 212 cc | - |
| Noise and safety | ||
| Rated noise (light load) | - | 59 dBA |
| CO shutoff | Yes | - |
| Build | ||
| Starting | Recoil (pull) | - |
| App | - | No |
| Wheels | Yes | - |
| Dimensions | - | 18.9 x 11.4 x 17.3 in |
| Weight | 85 lb | 47.3 lb |
| Warranty | 3 years | 3 years |