Champion 11,500-Watt Dual Fuel
#13 in LargeFull review
A large dual-fuel generator for backing up most of a home, central air included, through a transfer switch. Its 14-50R also suits 50 A RV owners.
Amazon $1,159$1,159
The Champion 11,500-Watt Dual Fuel rates 4.2 among large portable generators; the Champion 10,000-Watt Dual Fuel CARB rates 4.0 among mid-size ones.
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.
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.
Scores side by side
These two sit in different size classes (large and mid-size), 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 | Champion 11,500-Watt Dual Fuel | Champion 10,000-Watt Dual Fuel CARB |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 30% | 73 $0.13 per running watt | 50 no current price (neutral score used) |
| Run time 15% | 60 10 hours on a tank at 50% load | 60 10 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 | 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 | 80 push-button electric start |
Specifications
| Champion 11,500-Watt Dual Fuel | Champion 10,000-Watt Dual Fuel CARB | |
|---|---|---|
| Output | ||
| Gasoline | 9,200 W running, 11,500 W starting | 8,000 W running, 10,000 W starting |
| Propane | 8,280 W running, 10,350 W starting | 7,200 W running, 9,000 W starting |
| Outlets | 4 × 120 V, L14-30, 14-50 | 4 × 120 V, L14-30, 14-50 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Full power at 120 V | - | No |
| Price per watt | $0.13 | - |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline, propane |
| Tank | 7.7 gal | 7.7 gal |
| Run time (gasoline) | 10 hr at 50% load | 10 hr at 50% load |
| Run time (propane, 20 lb tank) | 5 hr | 5 hr |
| Engine | 459 cc | 458 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | 74 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | Yes |
| Build | ||
| Starting | Electric and recoil | Electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 28.9 x 28 x 26.2 in | 28.7 x 28.5 x 25.8 in |
| Weight | 209 lb | 208 lb |
| Warranty | 3 years | 3 years |
| Released | 2025-02 | 2023-12 |