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- Generac #8063 GP9500ETF
- Aceup Energy AI4000DS
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 | Generac #8063 GP9500ETF | Aceup Energy AI4000DS |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Tri-Fuel | Not available |
| Inverter | No | No |
| Parallel capable | No | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 9500 W | 3200 W |
| Starting watts | Winner: Winner: 12500 W | 4000 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 55 dB |
| Weight | Winner: Winner: 219 lbs | Not available |
| Run time @50% load | Winner: Winner: 9.5 h | 8 h |
| Run time @25% load | 14 h | Not available |
| Fuel tank | 7.5 gal | 1.32 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 27.5 x 27.1 x 27.6 | Not available |
| Electrical | ||
| Voltage (AC) | 120/240 | 120V |
| Voltage (DC) | Not available | 12V |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | OHV 4-stroke | 149cc 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9500 W | 3200 W |
| Starting watts | 12500 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 | 9.5 h | Not available |
| Run time @25% load | 14 h | Not available |
| Natural gas | Not available | Not available |
| Running watts | 7000 W | Not available |
| Starting watts | 9000 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 | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 8550 W | Not available |
| Starting watts | 11250 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 | 4.5 h | Not available |
| Run time @25% load | 6 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 696471104523 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9500 | 3200 |
| Running Watts (Propane) | 8550 | Not available |
| Running Watts (Natural Gas) | 7000 | Not available |
| Starting Watts (Gasoline) | 12500 | 4000 |
| Starting Watts (Propane) | 11250 | Not available |
| Starting Watts (Natural Gas) | 9000 | Not available |
| Runtime @ 50% Load (Gasoline) | 9.5 | Not available |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Runtime @ 25% Load (Gasoline) | 14 | Not available |
| Runtime @ 25% Load (Propane) | 6 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | One 20A outlet, one L5-30R Twist-Lock receptacle |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4-stroke OHV |
| Engine Displacement | 400 | 149 |
| Engine Oil Type | 10W-30 / SAE 30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14 | Not available |
| Runtime @ 50% Load (Gasoline) | 9.5 | Not available |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Controls & display | ||
| Display Type | Not available | Intelligent gauge |
| Idle Control System | Not available | Economic mode |
| 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 | ||
| Mobility Components | Yes | Not available |
| Starting Components | Recoil, Electric | Not available |
| Fuel Connection Components | propane hose | Not available |
| Included Accessories | Oil, propane hose, battery, and wheel kit | Oil funnel * 2; A bottle of Oil; Spark plug wrench |
| Warranty & identification | ||
| Residential Warranty | 3 | 2 |
| Part Number | Not available | SKU AI4000s |
| Additional specs | ||
| Summary | The Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit. | The Aceup Energy AI4000DS is a 3200 watt rated gasoline generator with a peak output of 4000 watts, featuring a 149cc 4-stroke OHV engine and EPA compliance. |
- Most PowerfulGenerac #8063 GP9500ETF9500W running
- QuietestAceup Energy AI4000DS55 dB
- Longest RuntimeGenerac #8063 GP9500ETF9.5h at 50% load
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Generac #8063 GP9500ETF
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Aceup Energy AI4000DS
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