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- Cummins Onan P5000iDF EFI
- Aceup Energy AI4000s
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 P5000iDF EFI | Aceup Energy AI4000s |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Dual-Fuel | Not available |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3900 W | 3200 W |
| Starting watts | Winner: Winner: 5000 W | 4000 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 55 dB |
| Weight | Winner: Winner: 108 lbs | Not available |
| Run time @50% load | Winner: Winner: 13 h | 8 h |
| Run time @25% load | 16.8 h | Not available |
| Fuel tank | 3.4 gal | 1.32 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 25.1 x 18.1 x 21.2 | Not available |
| Electrical | ||
| Voltage (AC) | 120 | 120V |
| Voltage (DC) | 5 | 12V |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 224 cc OHV 4-stroke | 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3900 W | 3200 W |
| Starting watts | 5000 W | 4000 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 | 13 h | Not available |
| Run time @25% load | 16.8 h | Not available |
| Propane | Not available | Not available |
| Running watts | 3500 W | Not available |
| Starting watts | 4500 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 | Not available | Not available |
| Run time @25% load | 20 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | Not available | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3900 | 3200 |
| Running Watts (Propane) | 3500 | Not available |
| Starting Watts (Gasoline) | 5000 | 4000 |
| Starting Watts (Propane) | 4500 | Not available |
| Runtime @ 50% Load (Gasoline) | 13 | Not available |
| Runtime @ 25% Load (Gasoline) | 16.8 | Not available |
| Runtime @ 25% Load (Propane) | 20 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) | One 20A outlet, one L5-30R Twist-Lock receptacle |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 224 cc OHV 4-stroke | 4-stroke OHV engine |
| Engine Displacement | 224 | 149 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16.8 | Not available |
| Runtime @ 50% Load (Gasoline) | 13 | Not available |
| Controls & display | ||
| Display Type | Not available | Intelligent gauge |
| Idle Control System | Not available | Economic mode to save fuel |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection; CO monitoring | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Recoil start |
| Included Accessories | Not available | Oil funnel * 2; A bottle of Oil; Spark plug wrench |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | 2 |
| Part Number | A075C500 | AI4000s |
| Additional specs | ||
| Summary | The Cummins Onan P5000iDF EFI is a 3900-watt dual-fuel inverter generator built for RV owners, campers, and homeowners who need reliable portable power without excessive noise. Its 5000-watt peak capacity handles startup demands of air conditioners, power tools, and multiple appliances simultaneously. The dual-fuel design means you can run gasoline when convenient and switch to propane for longer storage life or when gasoline is unavailable. At 52 dBA, this unit operates as quietly as normal conversation, making it suitable for campgrounds and residential neighborhoods where noise restrictions apply. The inverter technology produces clean power with only 3 percent THD, protecting laptops, smartphones, and sensitive electronics from voltage spikes that damage circuits. | The Aceup Energy AI4000s is a 3200-watt rated generator that operates on fuel and features inverter technology, making it suitable for various power needs. |
- Most PowerfulCummins Onan P5000iDF EFI3900W running
- QuietestCummins Onan P5000iDF EFI52 dB
- Longest RuntimeCummins Onan P5000iDF EFI13h at 50% load
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Cummins Onan P5000iDF EFI
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Aceup Energy AI4000s
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