Westinghouse iGen4500
The RV sweet spot: big surge, huge runtime, remote start from inside the trailer.
Specs
| Running watts | 3,700 W |
| Starting watts | 4,500 W |
| Type | Inverter |
| Fuel | Gasoline |
| Weight | 104.7 lb |
| Noise (mfr figure) | 52 dBA |
| Fuel tank | 3.4 gal |
| Runtime (mfr claim) | up to ~18 h at 25% load |
| Outlets | Two 20A 125V, TT-30R (RV), USB |
| Start | Electric + remote fob |
| Parallel capable | Yes |
| CO safety shutoff | Varies by version — check the listing |
| Typical street price | ~$950 (fluctuates — check listing) |
Figures are the manufacturer's published specs; dashes mean the maker doesn't publish a number. Verify against the current datasheet before you buy.
What can it actually run?
Checked with the same math as our calculator: total running watts, plus the single largest motor surge on top. “Tight” means it technically fits but the load sits above 80% of rated output — fine briefly, not where you want to live.
- ✓ runs itFridge, Wi-Fi, and lights730 W running · 2,230 W peak
- ✗ too muchStorm essentials (fridge, freezer, furnace fan, sump pump)3,080 W running · 4,630 W peak
- ✗ too muchEssentials plus a 10,000 BTU window AC4,280 W running · 6,680 W peak
- ✗ too muchMost of the house (well pump, central AC, laundry)13,680 W running · 19,680 W peak
The installer's take
The 4,500W surge starts rooftop ACs the 3,000W class struggles with, the 3.4-gallon tank runs through the night and well into the next day, and the remote fob means nobody gets out of bed at 6 a.m. to start it. It's the default answer to 'which generator for my travel trailer' and a very capable essentials-backup unit at home. Heavy — treat the wheels as mandatory, not optional.
Pros
- Remote start from up to ~100 yd
- Up to 18 h runtime — sleeps through the night
- 52 dBA is exceptionally quiet for the output
Cons
- 105 lb — a two-person lift over a tailgate
- Telescoping handle is the part owners break first