WEN DF475T
#7 in SmallFull review
A small, cheap dual-fuel generator for running a fridge, sump pump and lights through a 30 A transfer switch, if you can live without CO shutoff.
Amazon $464.99$464.99
The WEN DF475T is the better portable generator overall, rated 4.0 to 3.7. The WEN DF475T leads on fuel options, home hookup and starting. The Champion 3650-Watt RV Ready wins on CO safety, run time and warranty. The WEN DF475T costs $5 less ($464.99 vs $469.99).
Champion 3650-Watt RV Ready
#9 in SmallFull review
A low-cost gas generator sized for a 30 A RV or a few essentials in an outage. Best for campers who want the RV outlets and CO shutoff for the least money.
Amazon $469.99$469.99
Prices were last checked October 28, 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 WEN DF475T for fuel options (gasoline or propane vs gasoline only), home hookup (240 V outlet for a transfer switch vs 120 V 30 A outlet only (no 240 V)) and starting (push-button electric start vs pull start only).
- Choose the Champion 3650-Watt RV Ready for CO safety (shuts off when carbon monoxide builds up vs no CO shutoff), run time (14 hours on a tank at 50% load vs 11 hours on a tank at 50% load) and warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | WEN DF475T | Champion 3650-Watt RV Ready |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Value 30% | 91 $0.12 per running watt | 88 $0.13 per running watt |
| Run time 15% | 70 11 hours on a tank at 50% load | 100 14 hours on a tank at 50% load |
| Fuel options 15% | 70 gasoline or propane | 0 gasoline only |
| Home hookup 15% | 100 240 V outlet for a transfer switch | 40 120 V 30 A outlet only (no 240 V) |
| CO safety 10% | 0 no CO shutoff | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 33 2-year warranty | 67 3-year warranty |
| Starting 5% | 80 push-button electric start | 0 pull start only |
Specifications
| WEN DF475T | Champion 3650-Watt RV Ready | |
|---|---|---|
| Output | ||
| Gasoline | 3,800 W running, 4,750 W starting | 3,650 W running, 4,550 W starting |
| Propane | 3,500 W running, 4,350 W starting | - |
| Outlets | 2 × 120 V, L14-30 | 2 × 120 V, TT-30 (RV), L5-30 |
| Transfer switch ready | Yes, 240 V | 120 V only (L5-30) |
| Full power at 120 V | Yes | No |
| Price per watt | $0.12 | $0.13 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 4 gal | 4.7 gal |
| Run time (gasoline) | 11 hr at 50% load | 14 hr at 50% load |
| Run time (propane, 20 lb tank) | 7 hr | - |
| Engine | 224 cc | 224 cc |
| Noise and safety | ||
| Rated noise | - | 68 dBA |
| CO shutoff | No | Yes |
| CARB compliant | Yes | No |
| Build | ||
| Starting | Electric and recoil | Recoil (pull) |
| Wheels | Yes | No |
| Dimensions | 23.2 x 17.5 x 18.5 in | 23.2 x 18.3 x 20 in |
| Weight | 105.8 lb | 103 lb |
| Warranty | 2 years | 3 years |
| Released | 2018-12 | 2024-11 |