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 WGen11500TFc are evenly matched, rated 4.4 and 4.3. The DuroStar DS13000MX leads on value. The Westinghouse WGen11500TFc wins on fuel options and run time. The DuroStar DS13000MX costs $600 less ($899 vs $1,499).
Westinghouse WGen11500TFc
#6 in LargeFull review
A large tri-fuel generator with cleaner-than-usual power for whole-home backup through a 50 A transfer switch. Best for homeowners with a natural gas line who want to run electronics safely.
Amazon $1,499$1,499
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 $0.13 per running watt).
- Choose the Westinghouse WGen11500TFc for fuel options (gasoline, propane or natural gas vs gasoline or propane) and 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 WGen11500TFc |
|---|---|---|
| Overall rating | 4.4/5 | 4.3/5 |
| Value 30% | 97 $0.09 per running watt | 70 $0.13 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 | 100 gasoline, propane or natural gas |
| 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 WGen11500TFc | |
|---|---|---|
| Output | ||
| Gasoline | 10,500 W running, 13,000 W starting | 11,500 W running, 14,500 W starting |
| Propane | 10,000 W running, 12,500 W starting | 10,500 W running, 13,500 W starting |
| Natural gas | - | 9,500 W running, 12,000 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 5% |
| Price per watt | $0.09 | $0.13 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline, propane, natural gas |
| 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 | 550 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 | 27.2 x 26.1 x 26.5 in |
| Weight | 209 lb | 230 lb |
| Warranty | 3 years | 3 years |
| Released | 2024-12 | 2023-11 |