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
4.2/5
A large dual-fuel generator for feeding a 50 A transfer switch, and one of the few this size sold in California, though it lacks CO shutoff.
- 9,500 / 12,000 WRunning / starting
- Gasoline, propaneFuel
- 13 hr at 50% loadRun time
- Yes, 240 VTransfer switch
- 209 lbWeight
- $0.10Price / W
Check price at Amazon$929.99
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- L14-50R and L14-30R outlets, so it feeds a 50 A or 30 A transfer switch
- Runs on gasoline or propane, so stored fuel never goes stale
- CARB certified, so it can be sold in California
- Long gasoline run time from an 8 gal tank
Cons
- No CO shutoff
- No RV TT-30R outlet
- Pulsar publishes no propane run time
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | G12KBN |
|---|---|
| Output | |
| Gasoline | 9,500 W running, 12,000 W starting |
| Propane | 8,550 W running, 10,800 W starting |
| Outlets | 4 × 120 V, L14-30, L14-50 |
| Transfer switch ready | Yes, 240 V |
| Price per watt | $0.10 |
| Fuel and run time | |
| Fuel | Gasoline, propane |
| Tank | 8 gal |
| Run time (gasoline) | 13 hr at 50% load |
| Engine | 457 cc |
| Noise and safety | |
| Rated noise | 74 dBA |
| CO shutoff | No |
| CARB compliant | Yes |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 28.5 x 21.8 x 22.2 in |
| Weight | 209 lb |
| Warranty | 3 years |
| Released | 2020-11 |
Alternatives in this size
DuroMax XP13000HX
#14 in LargeFull review
A large dual-fuel generator for running most of a house through a 50 A transfer switch, with cleaner power and a longer warranty than the XP13000EH.
Amazon $1,399$1,399
DuroMax XP13000EH
#16 in LargeFull review
A large dual-fuel generator for running most of a house through a 50 A transfer switch at one of the lowest prices per watt in its size.
Amazon $1,299$1,299
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