DuroMax XP5500HX
#1 in SmallFull review
A small dual-fuel generator for keeping a fridge, freezer, sump pump and lights going through a transfer switch, with remote start and a five-year warranty.
Amazon $599$599
4.2/5
A small tri-fuel generator for a house with a natural gas line or an RV owner who wants fuel options. It powers a fridge, sump pump and lights, but not 240 V loads.
- 4,000 / 5,000 WRunning / starting
- Gasoline, propane, natural gasFuel
- 14 hr at 50% loadRun time
- 120 V only (L5-30)Transfer switch
- 135 lbWeight
- $0.17Price / W
Check price at Amazon$688.04
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs on gasoline, propane or natural gas, with both hoses included
- On a natural gas line it runs as long as the outage lasts
- TT-30R and L5-30R outlets plug straight into a 30 A RV
- Push-button start and wheels
- Shuts itself off if carbon monoxide builds up nearby
Cons
- 120 V only, so it can’t feed a 240 V transfer switch
- Loses about a fifth of its power on natural gas
- Not CARB compliant, so California buyers need a different model
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 201223 |
|---|---|
| Output | |
| Gasoline | 4,000 W running, 5,000 W starting |
| Propane | 3,600 W running, 4,500 W starting |
| Natural gas | 3,240 W running, 4,050 W starting |
| Outlets | 2 × 120 V, TT-30 (RV), L5-30 |
| Transfer switch ready | 120 V only (L5-30) |
| Full power at 120 V | No |
| Price per watt | $0.17 |
| Fuel and run time | |
| Fuel | Gasoline, propane, natural gas |
| Tank | 5 gal |
| Run time (gasoline) | 14 hr at 50% load |
| Run time (propane, 20 lb tank) | 10.5 hr |
| Engine | 224 cc |
| Noise and safety | |
| Rated noise | 68 dBA |
| CO shutoff | Yes |
| CARB compliant | No |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 24.6 x 25 x 22.2 in |
| Weight | 135 lb |
| Warranty | 3 years |
| Released | 2023-09 |
Alternatives in this size
Champion 3650-Watt Dual Fuel
#3 in SmallFull review
A small dual-fuel generator for a 30 A RV or a few essentials in an outage, for buyers who want electric start, propane and CO shutoff at a low price.
Amazon $599.99$599.99
Westinghouse WGen3600DFc
#4 in SmallFull review
A small dual-fuel generator with remote start for an RV or for a fridge, lights and a sump pump in an outage. Worth the step up from the pull-start WGen3600DFcv if you want to start it from indoors.
Amazon $499$499
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