A budget large tri-fuel generator for homes with a natural gas line that want whole-house backup through a 50 A transfer switch, trading some build quality for a much lower price.
Amazon $999The DuroStar DS13000MXT is the better portable generator overall, rated 4.5 to 4.3. The DuroStar DS13000MXT leads on value. The DuroMax XP13000HXT wins on warranty. The DuroStar DS13000MXT costs $500 less ($999 vs $1,499).
A large tri-fuel generator for homes with a natural gas line that want whole-house backup through a 50 A transfer switch without hauling fuel.
Amazon $1,499Prices 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 DS13000MXT for value ($0.10 per running watt vs $0.14 per running watt).
- Choose the DuroMax XP13000HXT for warranty (5-year warranty vs 3-year warranty).
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 DS13000MXT | DuroMax XP13000HXT |
|---|---|---|
| Overall rating | 4.5/5 | 4.3/5 |
| Value 30% | 91 $0.10 per running watt | 63 $0.14 per running watt |
| Run time 15% | 45 8.5 hours on a tank at 50% load | 45 8.5 hours on a tank at 50% load |
| Fuel options 15% | 100 gasoline, propane or natural gas | 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 | 100 5-year warranty |
| Starting 5% | 100 electric start with a remote fob or app | 100 electric start with a remote fob or app |
Specifications
| DuroStar DS13000MXT | DuroMax XP13000HXT | |
|---|---|---|
| Output | ||
| Gasoline | 10,500 W running, 13,000 W starting | 10,500 W running, 13,000 W starting |
| Propane | 10,000 W running, 12,500 W starting | 10,000 W running, 12,500 W starting |
| Natural gas | 9,000 W running, 11,250 W starting | 9,000 W running, 11,250 W starting |
| Outlets | 2 × 120 V, L14-30, 14-50 | 4 × 120 V, L5-30, L14-30, 14-50 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Total harmonic distortion | - | under 5% |
| Price per watt | $0.10 | $0.14 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane, natural gas |
| Tank | 8.3 gal | 8.3 gal |
| Run time (gasoline) | 8.5 hr at 50% load | 8.5 hr at 50% load |
| 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 | 30.5 x 27.3 x 26 in | 30 x 29 x 26 in |
| Weight | 211 lb | 240 lb |
| Warranty | 3 years | 5 years |
| Released | 2024-10 | 2022-05 |
