Discover how long a 3500 watt generator will run so you can decide whether this is the power level for you or to schedule your refueling sessions.
There are a nice number of 3500 watt generators that can run for around 8 to 10 hours at 50% load on a full tank of gas.
That being said, there is no standard run time for this power category so individual generators can and often do vary a lot in this area.
If this is an important detail to you, you likely want to check the tables with 3500 watt generators and their run times below.
- Related: 5 Best 3500 Watt Inverter Generators
How long will a 3500 watt generator run on a tank of gas?
Knowing how long a 3500 watt generator can run on a tank of gas is helpful for creating your refueling schedule and figuring out whether you can run something like an AC overnight.
However, there is not a single run time that applies to all models in this power category. Individual brands and generator designs influence this.
There are a decent number of 3500 watt generators that can run around 8 to 10 hours at 50% load on a tank of gas but there are many exceptions.
This means that you want to check the table below for your favorite 3500 watt generator and its run time on a tank of gas.
As a few examples demonstrate, the run times at 50% load are not necessarily half the run times at 25% load.
| 3500 Watt Generator Name | Run Time @25% Load | Run Time @50% Load | Peak Watts | Running Watts |
|---|---|---|---|---|
| Energizer EZG3500 | 19.5 Hours | Not Mentioned | 3500 Watts | 3000 Watts |
| Pulsar PG3500MR | Not Mentioned | 12 Hours | 3500 Watts | 2500 Watts |
| ECHO EG-3500 | Not Mentioned | 10 Hours | 3500 Watts | 2800 Watts |
| Sportsman GEN3500DFi | Not Mentioned | 10 Hours | 3500 Watts | 3000 Watts |
| Generac IQ3500 | 14.1 Hours | 8.9 Hours | 3500 Watts | 3000 Watts |
| Generac 7128 GP3500iO | 11 Hours | 8 Hours | 3500 Watts | 3000 Watts |
| Predator 3500 | 11 Hours | Not Mentioned | 3500 Watts | 3000 Watts |
| GENMAX GM3500Xi | Not Mentioned | 8.5 Hours | 3500 Watts | 3200 Watts |
| Energizer eZV3500P | 15.5 Hours | Not Mentioned | 3500 Watts | 3000 Watts |
| GENMAX GM3500iAED | Not Mentioned | 5 Hours | 3500 Watts | 3200 Watts |
| Champion 100571 3500 | 10 Hours | Not Mentioned | 3500 Watts | 2300 Watts |
How long will a 3500 watt generator run on 5 gallons of gas?
Some people also have a certain amount of fuel available and want to know how long this will keep a 3500 watt generator running.
More specifically, you can find out how long machines like this can run on 5 gallons of gas (not including the time spent on refueling).
The fuel usage per hour numbers are not ideal since they are based on different loads but could be interesting nonetheless.
| 3500 Watt Generator Name | Run Time @25% Load | Run Time @50% Load | Fuel Usage Per Hour | Fuel Tank Size |
|---|---|---|---|---|
| Energizer EZG3500 | 23.2 Hours | Not Mentioned | 0.22 Gallons | 4.2 Gallons |
| Pulsar PG3500MR | Not Mentioned | 15 Hours | 0.33 Gallons | 4 Gallons |
| ECHO EG-3500 | Not Mentioned | 12.5 Hours | 0.4 Gallons | 4 Gallons |
| Sportsman GEN3500DFi | Not Mentioned | 15.6 Hours | 0.32 Gallons | 3.2 Gallons |
| Generac IQ3500 | 27.1 Hours | 17.1 Hours | 0.18 Gallons | 2.6 Gallons |
| Generac 7128 GP3500iO | 23.2 Hours | 16.9 Hours | 0.22 Gallons | 2.37 Gallons |
| Predator 3500 | 23.6 Hours | Not Mentioned | 0.21 Gallons | 2.33 Gallons |
| GENMAX GM3500Xi | Not Mentioned | 19.3 Hours | 0.26 Gallons | 2.2 Gallons |
| Energizer eZV3500P | 39.7 Hours | Not Mentioned | 0.13 Gallons | 1.95 Gallons |
| GENMAX GM3500iAED | Not Mentioned | 14.7 Hours | 0.34 Gallons | 1.7 Gallons |
| Champion 100571 3500 | 41.7 Hours | Not Mentioned | 0.12 Gallons | 1.2 Gallons |
FAQ
How long will a 3500 watt generator run on propane?
There are two dual fuel 3500 peak watt generators in this article.
The Sportsman GEN3500DFi can run for 12 hours at 50% load on a 20-lb propane (LPG) tank.
On the other hand, the GENMAX GM3500iAED can run about 21.3 hours at 25% load on a 20-lb propane (LPG) tank.
