DuroMax XP13000HXT
#7 in LargeFull review
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 $1,499$1,499
The DuroMax XP13000HXT is the better portable generator overall, rated 4.3 to 4.1. The DuroMax XP13000HXT leads on value. The DuroMax XP15000HXT wins on run time. The DuroMax XP13000HXT costs $1,100 less ($1,499 vs $2,599).
DuroMax XP15000HXT
#17 in LargeFull review
A very large tri-fuel generator for whole-house backup through a 50 A transfer switch, with a big tank for long runs on gasoline between refills.
DuroMax $2,599$2,599
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 DuroMax XP13000HXT for value ($0.14 per running watt vs $0.22 per running watt).
- Choose the DuroMax XP15000HXT for run time (12 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 | DuroMax XP13000HXT | DuroMax XP15000HXT |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 30% | 63 $0.14 per running watt | 20 $0.22 per running watt |
| Run time 15% | 45 8.5 hours on a tank at 50% load | 80 12 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% | 100 5-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
| DuroMax XP13000HXT | DuroMax XP15000HXT | |
|---|---|---|
| Output | ||
| Gasoline | 10,500 W running, 13,000 W starting | 12,000 W running, 15,000 W starting |
| Propane | 10,000 W running, 12,500 W starting | 11,400 W running, 14,250 W starting |
| Natural gas | 9,000 W running, 11,250 W starting | 10,260 W running, 12,825 W starting |
| Outlets | 4 × 120 V, L5-30, L14-30, 14-50 | 10 × 120 V, L5-30, L14-30, 14-50 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Total harmonic distortion | under 5% | under 5% |
| Price per watt | $0.14 | $0.22 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane, natural gas |
| Tank | 8.3 gal | 13.2 gal |
| Run time (gasoline) | 8.5 hr at 50% load | 12 hr at 50% load |
| Engine | 500 cc | 670 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | 78 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Remote, electric and recoil | Remote, electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 30 x 29 x 26 in | 36 x 33.2 x 32 in |
| Weight | 240 lb | 362 lb |
| Warranty | 5 years | 5 years |
| Released | 2022-05 | 2023-09 |