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 XP11500EH
- Firman H07553
- No image
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 XP11500EH | Firman H07553 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 9000 W | 7500 W |
| Starting watts | Winner: Winner: 11500 W | 9400 W |
| Noise (lower limit) | Winner: Winner: 74 dB | Winner: Winner: 74 dB |
| Weight | 224 lbs | Winner: Winner: 212 lbs |
| Run time @50% load | 8 h | Winner: Winner: 12 h |
| Run time @25% load | 20 h | 12 h |
| Fuel tank | 8.3 gal | 8 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 30.2 x 27.5 x 26.3 |
| Electrical | ||
| Voltage (AC) | 120/240V | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | No | Yes |
| THD | <12% % | 25 % |
| Engine | ||
| Engine | Not available | 439 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil; Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | Not available | 7500 W |
| Starting watts | Not available | 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 | Not available | 12 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 6750 W |
| Starting watts | Not available | 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | Not available | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | No | Yes |
| Neutral | Not available | true |
| UPC | Not available | 840876175538 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 7500 |
| Running Watts (Propane) | Not available | 6750 |
| Starting Watts (Gasoline) | Not available | 9400 |
| Starting Watts (Propane) | Not available | 8450 |
| Runtime @ 50% Load (Gasoline) | Not available | 12 |
| AC Outlet Types | Not available | 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 | Not available | 439 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 457 | 439 |
| Cylinder Sleeve | Not available | Cast iron sleeve |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | Not available | 12 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric |
| Included Accessories | Not available | Oil, funnel, tool kit, extension cord, propane hose, cover, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The DuroMax XP11500EH is a 9,000-watt dual-fuel generator built for homeowners, job sites, and outdoor users who need serious power without fuel limitations. Running on gasoline or propane, it delivers 11,500 peak watts to start large loads like air conditioners, compressors, and welders. The 457cc engine produces enough current to run multiple high-demand devices simultaneously, making it suitable for whole-home backup or extended job site work.
At 224 pounds with wheels included, this unit bridges the gap between portability and raw power. The 8.3-gallon tank and dual-fuel flexibility mean fewer refueling stops on gasoline, or the option to switch to propane for storage stability and cleaner operation. Three-year warranty covers manufacturing defects across the ownership period. | 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 XP11500EH9000W running
- QuietestDuroMax XP11500EH74 dB
- Longest RuntimeFirman H0755312h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroMax XP11500EH
Store links
No links yet.
Firman H07553
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.