Champion 10,000-Watt Dual Fuel CARB
#9 in Mid-sizeFull review
The largest CARB-compliant open-frame generator Champion sells, for California homes that want gas or propane backup through a transfer switch, or power for a 50 A RV.
The Champion 10,000-Watt Dual Fuel CARB and the Westinghouse WGen7500c are evenly matched, rated 4.0 and 3.9. The Champion 10,000-Watt Dual Fuel CARB leads on fuel options and run time. The Westinghouse WGen7500c wins on starting.
Westinghouse WGen7500c
#11 in Mid-sizeFull review
A gasoline generator big enough for most essentials through a transfer switch, with remote start. Best for homeowners who don’t need propane and want simple 240 V backup.
Amazon $849$849
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 Champion 10,000-Watt Dual Fuel CARB for fuel options (gasoline or propane vs gasoline only) and run time (10 hours on a tank at 50% load vs 8.4 hours on a tank at 50% load (scaled from 25%)).
- Choose the Westinghouse WGen7500c for starting (electric start with a remote fob or app vs push-button electric start).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Champion 10,000-Watt Dual Fuel CARB | Westinghouse WGen7500c |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 30% | 50 no current price (neutral score used) | 89 $0.11 per running watt |
| Run time 15% | 60 10 hours on a tank at 50% load | 44 8.4 hours on a tank at 50% load (scaled from 25%) |
| Fuel options 15% | 70 gasoline or propane | 0 gasoline only |
| Home hookup 15% | 100 240 V outlet for a transfer switch | 100 240 V outlet for a transfer switch |
| 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% | 80 push-button electric start | 100 electric start with a remote fob or app |
Specifications
| Champion 10,000-Watt Dual Fuel CARB | Westinghouse WGen7500c | |
|---|---|---|
| Output | ||
| Gasoline | 8,000 W running, 10,000 W starting | 7,500 W running, 9,500 W starting |
| Propane | 7,200 W running, 9,000 W starting | - |
| Outlets | 4 × 120 V, L14-30, 14-50 | 4 × 120 V, L14-30 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Full power at 120 V | No | No |
| Total harmonic distortion | - | under 23% |
| Price per watt | - | $0.11 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 7.7 gal | 6.6 gal |
| Run time (gasoline) | 10 hr at 50% load | 11 hr at 25% load |
| Run time (propane, 20 lb tank) | 5 hr | - |
| Engine | 458 cc | 420 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | 72 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | Yes | No |
| Build | ||
| Starting | Electric and recoil | Remote, electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 28.7 x 28.5 x 25.8 in | 27.2 x 26.1 x 26 in |
| Weight | 208 lb | 197.1 lb |
| Warranty | 3 years | 3 years |
| Released | 2023-12 | 2022-05 |