Westinghouse WGen9500DF
#22 in LargeFull review
A large dual-fuel generator for whole-home backup through a 50 A or 30 A transfer switch. Worth it only at a clear discount to the newer CO-sensor models, since it lacks CO shutoff.
Amazon $999$999
3.0/5
A commercial generator for contractors and rental fleets who run it every day and need it to last. For home backup, consumer tri-fuel models deliver the same power for a fraction of the price.
- 9,000 / 10,000 WRunning / starting
- GasolineFuel
- 7.9 hr at 50% loadRun time
- Yes, 240 VTransfer switch
- 403 lbWeight
- $0.67Price / W
Check price at Amazon$5,999
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Honda V-twin engine built for heavy daily use
- L14-50R and L14-30R outlets connect to 50 A or 30 A transfer switches
- Tight voltage regulation suits sensitive tools and electronics
- Every outlet GFCI protected, so it meets OSHA job-site rules
- Electric start, and shuts itself off if carbon monoxide builds up
Cons
- Very expensive: several times the price per watt of consumer generators
- Over 400 lb, so it is hard to move without a truck or lift
- Gasoline only, and under 8 hours on a tank at half load
- Not sold in California
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 | EB10000AN |
|---|---|
| Output | |
| Gasoline | 9,000 W running, 10,000 W starting |
| Outlets | 4 × 120 V, L5-30, L14-30, L14-50 |
| Transfer switch ready | Yes, 240 V |
| Price per watt | $0.67 |
| Fuel and run time | |
| Fuel | Gasoline |
| Tank | 8.2 gal |
| Run time (gasoline) | 7.9 hr at 50% load |
| Engine | 688 cc |
| Noise and safety | |
| Rated noise | 71 dBA |
| CO shutoff | Yes |
| CARB compliant | No |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 41 x 27.7 x 35.1 in |
| Weight | 403 lb |
| Warranty | 3 years |
| Released | 2012-01 |
Alternatives in this size
Westinghouse WGen20000TFc
#23 in LargeFull review
A huge tri-fuel generator that can back up a large home in full, wired in by an electrician or through two 50 A outlets. For buyers who want standby-generator output without a permanent install.
Amazon $3,899$3,899
DuroMax XP15000HXT+
#24 in LargeFull review
A large fuel-injected tri-fuel generator for whole-house backup through a 50 A transfer switch, and one of the few this size that California buyers can get.
Amazon $3,499$3,499
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