Westinghouse iGen4000DFc
#3 in Mid-sizeFull review
A compact dual-fuel generator for travel trailers and essential home circuits, with remote start and CO shutoff. Its small tank is the main trade-off.
Amazon $749.99$749.99
3.8/5
A strong-value dual-fuel RV and home-backup generator with remote start and long run time. The short warranty is the main catch.
- 3,900 / 5,000 WRunning / starting
- Gasoline, propaneFuel
- 18.2 hr at 25% loadRun time
- 60.5 dBA at light loadNoise
- 110 lbWeight
- $0.26Price / W
Check price at Harbor Freight$999.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs on gasoline or propane, so you can store fuel that never goes stale
- Starts from a remote fob
- Runs about 18 hours on a tank at light load
- Plugs straight into a 30 A RV
- Shuts itself off if carbon monoxide builds up
Cons
- Warranty is only 90 days unless you buy an extended plan
- About 110 lb, so it needs its wheels
- Sold only through Harbor Freight
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 | 71367 (49-state) |
|---|---|
| Output | |
| Gasoline | 3,900 W running, 5,000 W starting |
| Propane | 3,600 W running, 5,000 W starting |
| Outlets | 2 × 120 V, TT-30 (RV), USB |
| Parallel capable | Yes |
| Price per watt | $0.26 |
| Fuel and run time | |
| Fuel | Gasoline, propane |
| Tank | 3.7 gal |
| Run time (gasoline) | 18.2 hr at 25% load |
| Run time (propane, 20 lb tank) | 14.6 hr |
| Engine | 224 cc |
| Noise and safety | |
| Rated noise (light load) | 60.5 dBA |
| CO shutoff | Yes |
| CARB compliant | No |
| Build | |
| Starting | Remote, electric and recoil |
| App | No |
| Wheels | Yes |
| Dimensions | 25 x 18 x 20.8 in |
| Weight | 110 lb |
| Warranty | 0.2 years |
Alternatives in this size
Generac iQ5200 DF
#4 in Mid-sizeFull review
A dual-fuel inverter with enough surge for an RV air conditioner and long propane run time. A good fit for home essentials and 30 A campers willing to use an adapter.
Amazon $1,039.75$1,039.75
WEN DF480iX
#6 in Mid-sizeFull review
A light, low-cost dual-fuel inverter for RVs and outages, with CO shutoff and electric start. Plan on frequent refuelling or a propane tank for long runs.
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