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 P4500i
- DuroMax XP13000HXT
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 P4500i | DuroMax XP13000HXT |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Tri-Fuel |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | Yes |
| Running watts | 3700 W | Winner: Winner: 10500 W |
| Starting watts | 4500 W | Winner: Winner: 13000 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 74 dB |
| Weight | Winner: Winner: 98 lbs | 240 lbs |
| Run time @50% load | Winner: Winner: 15 h | 8.5 h |
| Run time @25% load | 18 h | 17 h |
| Fuel tank | 3.4 gal | 8.3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.5 x 18.3 x 20.5 | 30 x 29 x 26 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 224 cc Ducar OHV 4-stroke | 500 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil; Electric; Remote | Not available |
| Warranty | ||
| Warranty | 3 years | 5 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3700 W | 10500 W |
| Starting watts | 4500 W | 13000 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 | 15 h | 8.5 h |
| Run time @25% load | 18 h | 17 h |
| Natural gas | Not available | Not available |
| Running watts | Not available | 8500 W |
| Starting watts | Not available | 10000 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 |
| Propane | Not available | Not available |
| Running watts | Not available | 9500 W |
| Starting watts | Not available | 12000 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 | 3.2 h |
| Run time @25% load | Not available | 6.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Not available |
| UPC | 690781007925 | 811640016470 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3700 | 10500 |
| Running Watts (Propane) | Not available | 9500 |
| Running Watts (Natural Gas) | Not available | 8500 |
| Starting Watts (Gasoline) | 4500 | 13000 |
| Starting Watts (Propane) | Not available | 12000 |
| Starting Watts (Natural Gas) | Not available | 10000 |
| Runtime @ 50% Load (Gasoline) | 15 | 8.5 |
| Runtime @ 50% Load (Propane) | Not available | 3.2 |
| Runtime @ 25% Load (Gasoline) | 18 | 17 |
| Runtime @ 25% Load (Propane) | Not available | 6.5 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 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 | Ducar OHV 4-stroke | 500 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 224 | 500 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Alternator Winding Material | Not available | Copper windings |
| Engine Oil Type | 10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18 | 17 |
| Runtime @ 50% Load (Gasoline) | 15 | 8.5 |
| Runtime @ 50% Load (Propane) | Not available | 3.2 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Fuel Connection Components | Not available | natural gas hose with NPT adapter, propane hose |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, and battery | Not available |
| Warranty & identification | ||
| Commercial Warranty | 3 | 5 |
| Part Number | A058U955 | Not available |
| Additional specs | ||
| Summary | The Cummins Onan P4500i is a 3700-watt inverter generator built for users who need reliable power without the noise penalty. Its 4500-watt peak capacity handles startup surges for air conditioners, power tools, and RV air conditioning units. The gasoline engine runs clean enough for sensitive electronics like laptops and phones, thanks to a 3 percent THD rating that protects against voltage spikes. This unit bridges the gap between portable camping generators and stationary backup power, making it useful for RV owners, homeowners facing extended outages, and contractors working near occupied spaces. | The DuroMax XP13000HXT is a 10,500-watt tri-fuel generator built around a 500cc OHV engine with cast iron sleeves. It runs on gasoline, propane, or natural gas, which means users can adapt to fuel availability rather than being locked into a single source. At 10,500 running watts, this unit crosses into heavy-duty territory. It can simultaneously power a central air unit, water heater, and multiple household circuits during an outage. For job sites, it handles compressors, circular saws, and angle grinders without strain. The tri-fuel flexibility also makes it valuable for users in regions where propane or natural gas may be cheaper or more accessible than gasoline during extended outages. |
- Most PowerfulDuroMax XP13000HXT10500W running
- QuietestCummins Onan P4500i52 dB
- Longest RuntimeCummins Onan P4500i15h at 50% load
Where to buy
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Cummins Onan P4500i
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DuroMax XP13000HXT
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