The Westinghouse WGen5300DFc rates 4.4 among mid-size portable generators; the Champion 4750-Watt Dual Fuel CARB rates 4.0 among small ones. The Westinghouse WGen5300DFc costs $50 less ($649 vs $699).
A mid-size dual-fuel generator with remote start and a 240 V outlet for a transfer switch. Good for home backup of the essentials, as long as it can stay put or be carried by two people.
Amazon $649A small dual-fuel generator for RV owners and California buyers who need a CARB-compliant model. It covers a 30 A RV or a fridge and a few circuits in an outage.
Amazon $699Prices 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.
These two sit in different size classes (mid-size and small), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Westinghouse WGen5300DFc | Champion 4750-Watt Dual Fuel CARB |
|---|---|---|
| Overall rating | 4.4/5 | 4.0/5 |
| Value 30% | 85 $0.12 per running watt | 66 $0.18 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 | 70 gasoline or propane |
| Home hookup 15% | 100 240 V outlet for a transfer switch | 40 120 V 30 A outlet only (no 240 V) |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Starting 5% | 100 electric start with a remote fob or app | 80 push-button electric start |
| Westinghouse WGen5300DFc | Champion 4750-Watt Dual Fuel CARB | |
|---|---|---|
| Output | ||
| Gasoline | 5,300 W running, 6,600 W starting | 3,800 W running, 4,750 W starting |
| Propane | 4,800 W running, 5,900 W starting | 3,420 W running, 4,275 W starting |
| Outlets | 2 × 120 V, TT-30 (RV), 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 |
| Total harmonic distortion | under 23% | - |
| Price per watt | $0.12 | $0.18 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline, propane |
| Tank | 4.7 gal | 4.7 gal |
| Run time (gasoline) | 11 hr at 50% load | 14 hr at 50% load |
| Run time (propane, 20 lb tank) | 9 hr | 10.5 hr |
| Engine | 274 cc | 224 cc |
| Noise and safety | ||
| Rated noise | 68 dBA | 68 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | Yes |
| Build | ||
| Starting | Remote, electric and recoil | Electric and recoil |
| Wheels | No | Yes |
| Dimensions | 23.43 x 20.63 x 19.48 in | 24.7 x 25 x 22.2 in |
| Weight | 135.6 lb | 133 lb |
| Warranty | 3 years | 3 years |
| Released | 2022-01 | 2025-12 |
