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.
- DuroMax XP10000HX
- Firman H07553
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 | DuroMax XP10000HX | Firman H07553 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 8000 W | 7500 W |
| Starting watts | Winner: Winner: 10000 W | 9400 W |
| Noise (lower limit) | Winner: Winner: 72 dB | 74 dB |
| Weight | 228 lbs | Winner: Winner: 212 lbs |
| Run time @50% load | 10 h | Winner: Winner: 12 h |
| Run time @25% load | 22 h | 12 h |
| Fuel tank | 8.3 gal | 8 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 30.2 x 27.5 x 26.3 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <12% % | 25 % |
| Engine | ||
| Engine | 440 cc OHV 4-stroke, cast iron sleeve | 439 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil and Electric | Recoil; Electric |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 7500 W |
| Starting watts | 10000 W | 9400 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 | 10 h | 12 h |
| Run time @25% load | 22 h | Not available |
| Propane | Not available | Not available |
| Running watts | 7600 W | 6750 W |
| Starting watts | 9500 W | 8450 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 | 4.5 h | Not available |
| Run time @25% load | 8.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640016210 | 840876175538 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 7500 |
| Running Watts (Propane) | 7600 | 6750 |
| Starting Watts (Gasoline) | 10000 | 9400 |
| Starting Watts (Propane) | 9500 | 8450 |
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Runtime @ 25% Load (Gasoline) | 22 | Not available |
| Runtime @ 25% Load (Propane) | 8.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | 439 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 440 | 439 |
| Cylinder Sleeve | Cast iron sleeve | Cast iron sleeve |
| Alternator Winding Material | Copper windings | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 22 | Not available |
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Recoil, Electric | Recoil, Electric |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Oil, funnel, tool kit, extension cord, propane hose, cover, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 5 | Not available |
| Commercial Warranty | 5 | 3 |
| Additional specs | ||
| Summary | The DuroMax XP10000HX is a dual-fuel generator with a rated wattage of 8000 watts and a peak wattage of 10000 watts, designed to operate on gasoline or propane. It features a powerful 440 cc OHV 4-stroke engine and is suitable for heavy-duty applications. | The Firman H07553 is a 7500-watt dual-fuel generator built around a 439cc cast iron sleeve engine that runs on either gasoline or propane. At 7500 running watts, this unit powers multiple household circuits simultaneously. A refrigerator, microwave, and several lights draw roughly 4000 watts combined, leaving 3500 watts for additional loads like a window air conditioner or power tools. The dual-fuel design means users can switch between fuel sources based on availability and cost, extending the operational window during extended outages or remote deployments. |
- Most PowerfulDuroMax XP10000HX8000W running
- QuietestDuroMax XP10000HX72 dB
- Longest RuntimeFirman H0755312h at 50% load
Where to buy
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DuroMax XP10000HX
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Firman H07553
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