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| Specification | DuroMax XP9500iH | Cat RP12000 E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | Yes |
| Running watts | 7600 W | Winner: Winner: 12000 W |
| Starting watts | 9500 W | Winner: Winner: 15000 W |
| Noise (lower limit) | Winner: Winner: 61 dB | 0 dB |
| Weight | Winner: Winner: 216 lbs | 350 lbs |
| Run time @50% load | 11 h | Winner: Winner: 11.7 h |
| Run time @25% load | 21 h | Not available |
| Fuel tank | 7.1 gal | 13.2 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 26.2 x 25 x 29.6 | 35.7 x 32.7 x 35.8 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | 5 % |
| Engine | ||
| Engine | 459 cc OHV 4-stroke, cast iron sleeve. | 670 cc Rato OHV V-Twin |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Electric |
| Warranty | ||
| Warranty | 5 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | Not available | 12000 W |
| Starting watts | 9500 W | 15000 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 | 11.7 h |
| Run time @25% load | 21 h | Not available |
| Propane | Not available | Not available |
| Running watts | 7200 W | Not available |
| Starting watts | 9025 W | Not available |
| 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 | 5 h | Not available |
| Run time @25% load | 9.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640017026 | 815683023891 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 12000 |
| Running Watts (Propane) | 7200 | Not available |
| Starting Watts (Gasoline) | 9500 | 15000 |
| Starting Watts (Propane) | 9025 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | 11.7 |
| Runtime @ 50% Load (Propane) | 5 | Not available |
| Runtime @ 25% Load (Gasoline) | 21 | Not available |
| Runtime @ 25% Load (Propane) | 9.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) GFCI; 2x 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 | 459 cc OHV 4-stroke, cast iron sleeve. | 670 cc Rato OHV V-Twin |
| Engine Displacement | 459 | 670 |
| Cylinder Sleeve | cast_iron_sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 21 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | 11.7 |
| Runtime @ 50% Load (Propane) | 5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Battery, Battery Charger, Wheel Kit |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, and battery | Oil, funnel, tool kit, battery charger, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 5 | Not available |
| Part Number | Not available | 502-3700 |
| Additional specs | ||
| Summary | The DuroMax XP9500iH is a 7,600-watt dual-fuel inverter generator built for whole-home backup and job-site power. Running on either gasoline or propane, it delivers 9,500 starting watts to handle motor inrush demands from air conditioners, well pumps, and power tools. The inverter produces clean 3% THD power, meaning laptops, televisions, and medical equipment run safely without risk of voltage spikes. This is a stationary or semi-portable unit. At 216 pounds, it requires wheels or multiple people to move, making it suited for permanent installation or fixed-location backup rather than frequent relocation.
The fuel flexibility matters in extended outages. Gasoline runs 11 hours at half load before refueling, while propane stretches to 5 hours at the same draw. At quarter load, gasoline delivers 21 hours of runtime, propane 9.5 hours. For homeowners choosing between fuel types, gasoline offers longer intervals between refills, propane offers cleaner storage and no fuel degradation over months. | The Cat RP12000 E is a 12,000-watt gasoline generator built for job sites, construction crews, and homeowners who need sustained power for multiple heavy tools or appliances simultaneously. The 15,000-watt peak output handles startup surges from air compressors, circular saws, and welders without stalling. At 350 pounds, this is a stationary or semi-portable unit. It ships with a wheel kit, battery charger, and full tool set, meaning users can operate it immediately without additional purchases. |
