Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Cummins Onan P9500df
- DuroMax XP7000iH
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Cummins Onan P9500df | DuroMax XP7000iH |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 7500 W | 5500 W |
| Starting watts | Winner: Winner: 9500 W | 7000 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 62 dB |
| Weight | 194 lbs | Winner: Winner: 128 lbs |
| Run time @50% load | Winner: Winner: 11 h | 8 h |
| Run time @25% load | 16 h | 16 h |
| Fuel tank | 6.6 gal | 3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.3 x 26.3 x 26.3 | 25.1 x 19.4 x 21.4 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 23 % | <3% % |
| Engine | ||
| Engine | 420 cc Ducar OHV 4-stroke | 320 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 5 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7500 W | 5500 W |
| Starting watts | 9500 W | 7000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 11 h | 8 h |
| Run time @25% load | 16 h | 16 h |
| Propane | Not available | Not available |
| Running watts | 6750 W | 5225 W |
| Starting watts | 8550 W | 6650 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | 7 h |
| Run time @25% load | 8 h | 13 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 690781007932 | 811640017019 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7500 | 5500 |
| Running Watts (Propane) | 6750 | 5225 |
| Starting Watts (Gasoline) | 9500 | 7000 |
| Starting Watts (Propane) | 8550 | 6650 |
| Runtime @ 50% Load (Gasoline) | 11 | 8 |
| Runtime @ 50% Load (Propane) | Not available | 7 |
| Runtime @ 25% Load (Gasoline) | 16 | 16 |
| Runtime @ 25% Load (Propane) | 8 | 13 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Ducar OHV 4-stroke | 320 cc OHV 4-stroke |
| Engine Displacement | 420 | 320 |
| Alternator Winding Material | Not available | Copper windings |
| Engine Oil Type | SAE 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16 | 16 |
| Runtime @ 50% Load (Gasoline) | 11 | 8 |
| Runtime @ 50% Load (Propane) | Not available | 7 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit | Funnel, tool kit, key fob, battery charger, propane hose, and battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | 5 |
| Part Number | A074Z438 | Not available |
| Additional specs | ||
| Summary | The Cummins Onan P9500df is a 7500-watt dual-fuel generator built for users who need sustained power across multiple scenarios. Running on either gasoline or propane, it delivers 9500 peak watts, enough to start large air conditioning units or power multiple job site tools simultaneously. The dual-fuel architecture means users can switch between fuel sources based on availability and storage constraints. Propane tanks store longer without degradation, while gasoline offers wider accessibility. This flexibility makes the unit valuable for both seasonal backup power and year-round work environments.
The 194-pound weight and 27.3 x 26.3 x 26.3 inch footprint define this as a semi-portable unit. The included wheel kit enables movement across job sites or between storage locations, but this is not a grab-and-go machine. Users planning frequent relocation should factor in the logistical demands. The three-year commercial warranty covers manufacturing defects, giving buyers defined ownership support across the critical early-use period. | The DuroMax XP7000iH is a 5,500-watt dual-fuel inverter generator that bridges home backup and jobsite power. Running on gasoline or propane, it delivers 7,000 peak watts for starting heavy loads like air conditioners and refrigerators, then sustains 5,500 watts for continuous operation. This wattage class handles most household circuits, multiple power tools, or a small construction setup, but cannot power an entire home simultaneously with major appliances running. The dual-fuel flexibility means you can switch between gasoline and propane depending on availability and storage constraints, a significant advantage for users who want fuel redundancy during extended outages. |
- Most PowerfulCummins Onan P9500df7500W running
- QuietestDuroMax XP7000iH62 dB
- Longest RuntimeCummins Onan P9500df11h at 50% load
Where to buy
Prices can change. We update these automatically.
Cummins Onan P9500df
Store links
No links yet.
DuroMax XP7000iH
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.


