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 Westinghouse WGen7500c rates 3.9 among mid-size ones. The Westinghouse WGen7500c costs $310 less ($849 vs $1,159).
Westinghouse WGen7500c
#9 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.
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 | Westinghouse WGen7500c |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Value 30% | 73 $0.13 per running watt | 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 11,500-Watt Dual Fuel | Westinghouse WGen7500c | |
|---|---|---|
| Output | ||
| Gasoline | 9,200 W running, 11,500 W starting | 7,500 W running, 9,500 W starting |
| Propane | 8,280 W running, 10,350 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 |
| Total harmonic distortion | - | under 23% |
| Price per watt | $0.13 | $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 | 459 cc | 420 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | 72 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Electric and recoil | Remote, electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 28.9 x 28 x 26.2 in | 27.2 x 26.1 x 26 in |
| Weight | 209 lb | 197.1 lb |
| Warranty | 3 years | 3 years |
| Released | 2025-02 | 2022-05 |