DuroStar DS13000MX
#3 in LargeFull review
A budget large dual-fuel generator for whole-house backup through a 50 A transfer switch, trading some build quality for a much lower price.
Amazon $899$899
The DuroStar DS13000MX and the Westinghouse WGen10500DFc are evenly matched, rated 4.4 and 4.3. The DuroStar DS13000MX leads on value. The Westinghouse WGen10500DFc wins on run time. The DuroStar DS13000MX costs $200 less ($899 vs $1,099).
Westinghouse WGen10500DFc
#5 in LargeFull review
A large dual-fuel generator for whole-home backup through a 50 A transfer switch, with remote start and CO shutoff. Good value per watt for homeowners who can do without natural gas.
Amazon $1,099$1,099
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 DuroStar DS13000MX for value ($0.09 per running watt vs $0.10 per running watt).
- Choose the Westinghouse WGen10500DFc for run time (9.5 hours on a tank at 50% load vs 8.5 hours on a tank at 50% load).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | DuroStar DS13000MX | Westinghouse WGen10500DFc |
|---|---|---|
| Overall rating | 4.4/5 | 4.3/5 |
| Value 30% | 97 $0.09 per running watt | 85 $0.10 per running watt |
| Run time 15% | 45 8.5 hours on a tank at 50% load | 55 9.5 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% | 100 electric start with a remote fob or app | 100 electric start with a remote fob or app |
Specifications
| DuroStar DS13000MX | Westinghouse WGen10500DFc | |
|---|---|---|
| Output | ||
| Gasoline | 10,500 W running, 13,000 W starting | 10,500 W running, 13,500 W starting |
| Propane | 10,000 W running, 12,500 W starting | 9,500 W running, 12,500 W starting |
| Outlets | 2 × 120 V, L14-30, 14-50 | 4 × 120 V, L14-30, 14-50, USB |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Full power at 120 V | - | No |
| Total harmonic distortion | - | under 23% |
| Price per watt | $0.09 | $0.10 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline, propane |
| Tank | 8.3 gal | 9.5 gal |
| Run time (gasoline) | 8.5 hr at 50% load | 9.5 hr at 50% load |
| Run time (propane, 20 lb tank) | - | 7 hr |
| Engine | 500 cc | 500 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | 74 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Remote, electric and recoil | Remote, electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 29.75 x 27.5 x 25.75 in | 28.6 x 29.3 x 26.8 in |
| Weight | 209 lb | 230 lb |
| Warranty | 3 years | 3 years |
| Released | 2024-12 | 2025-03 |