DuroMax XP13000EH Dual Fuel vs DuroMax XP15000HX Dual Fuel
The DuroMax XP15000HX Dual Fuel is the more powerful unit: 12,000 running watts against 10,500 — about 13% more capacity for the DuroMax XP15000HX Dual Fuel. The DuroMax XP13000EH Dual Fuel is the quieter of the two (74 dBA vs 78 dBA — though manufacturers measure noise at different loads and distances). The DuroMax XP15000HX Dual Fuel runs longer at half load — 12 hours on its 13.2-gallon tank vs 8 hours.
| DuroMax XP13000EH Dual Fuel | DuroMax XP15000HX Dual Fuel | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline, propane |
| Running watts (gas / LP for standby) | 10500 W | 12000 W |
| Starting watts (gas) | 13000 W | 15000 W |
| Running watts (propane) | 9975 W | 11400 W |
| Starting watts (propane) | 12350 W | 14250 W |
| Noise level | 74 dBA | 78 dBA |
| Runtime at 50% load (gas) | 8 h | 12 h |
| Fuel tank | 8.3 gal | 13.2 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | 50 A | 50 A |
| Start type | electric | electric |
| CO safety shutoff | — | Yes |
| Engine displacement | 500 cc | 670 cc |
| Weight | 234 lb | 345 lb |
Frequently asked questions
Which is more powerful, the DuroMax XP13000EH Dual Fuel or the DuroMax XP15000HX Dual Fuel?
The DuroMax XP15000HX Dual Fuel, at 12,000 running watts on its best fuel versus 10,500 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Which costs less to run, the DuroMax XP13000EH Dual Fuel or the DuroMax XP15000HX Dual Fuel?
Estimated fuel for 24 hours at about 50% load: $80 on gasoline for the DuroMax XP13000EH Dual Fuel vs $84 on gasoline for the DuroMax XP15000HX Dual Fuel, at national average prices. These are spec-sheet-derived estimates — the assumptions are on the methodology page, and different fuels make this a cost comparison, not an efficiency ranking.
Where do these specifications come from?
Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.