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- Cummins Onan P4500i
- AIVOLT VS12000411
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 | AIVOLT VS12000411 |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | 3700 W | Winner: Winner: 9000 W |
| Starting watts | 4500 W | Winner: Winner: 11250 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 60 dB |
| Weight | Winner: Winner: 98 lbs | 220 lbs |
| Run time @50% load | Winner: Winner: 15 h | Not available |
| Run time @25% load | 18 h | 19 h |
| Fuel tank | 3.4 gal | Not available |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 24.5 x 18.3 x 20.5 | 28.43L x 26.38W x 29.65H |
| Electrical | ||
| Voltage (AC) | 120 | 120V/240V |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 3 % | 3 % |
| Engine | ||
| Engine | 224 cc Ducar OHV 4-stroke | 459cc 4-strokes OHV air-cooled |
| Alternator | Not available | Not available |
| Starting system | Recoil; Electric; Remote | Not available |
| Warranty | ||
| Warranty | 3 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3700 W | 9000 W |
| Starting watts | 4500 W | 11250 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 | Not available |
| Run time @25% load | 18 h | 19 h |
| Propane | Not available | Not available |
| Running watts | Not available | 8450 W |
| Starting watts | Not available | 10570 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 | true |
| Compliance | CARB, EPA | Approved by the EPA and CARB |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 690781007925 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3700 | 9000 |
| Running Watts (Propane) | Not available | 8450 |
| Starting Watts (Gasoline) | 4500 | 11250 |
| Starting Watts (Propane) | Not available | 10570 |
| Runtime @ 50% Load (Gasoline) | 15 | Not available |
| Runtime @ 25% Load (Gasoline) | 18 | 19 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 2 120V 20A 5-20R GFCI outlets, 1 120V 30A L5-30R, 1 120V/240V 30A L14-30R, 1 120V/240V 50A 14-50R |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Ducar OHV 4-stroke | 4 Stroke |
| Engine Displacement | 224 | 459 |
| Alternator Winding Material | Not available | 100% copper |
| Engine Oil Type | 10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18 | 19 |
| Runtime @ 50% Load (Gasoline) | 15 | Not available |
| Outlets & connections | ||
| Transfer Switch Compatibility | Not available | Yes |
| Controls & display | ||
| Display Type | Not available | LED display |
| Idle Control System | Not available | Eco switch |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Built-in overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Fuel Connection Components | Not available | LPG hose with regulator |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, and battery | Remote controller, battery charger, oil funnel, tool kits |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| 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 AIVOLT VS12000411 is a dual-fuel generator with a rated wattage of 9000 and a peak wattage of 11250. It features a 459cc 4-stroke OHV engine and includes electric and remote start options. |
- Most PowerfulAIVOLT VS120004119000W 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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AIVOLT VS12000411
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