Since there are so many 4000 Watt generators on the market, it can be hard to choose one that is fit for your needs.
Before you buy a generator, you have to keep a number of factors into consideration. In doing so, you make sure that you only get your hands on the perfect 4000 Watt generator.
In this guide, we have discussed all these features to help you choose the 4000 Watt generator for your requirements.
The Westinghouse generator is on our list because it is very powerful yet quiet.
Can use in your RV without getting disturbed by the constant noise, this is the one.
Moreover, it is a gas-powered model that is easily portable.
Pros
Cons
✅Can go up to 4500 starting Watts
❌Heavier than other options
✅Normally runs at 3700 Watts
✅Quietest 4000 watt generator in this range
On the whole, the Westinghouse generator is a great choice for people who might want an option for an RV or any other purpose. If you want to run the AC in your RV, you can count on this generator to do the job.
Since it’s quite powerful, it will run a large travel trailer. However, one of the best things about this generator is that it does not make deafening noise even though it is very powerful.
Another thing to notice about this generator is that it has a gas tank that can hold 3.4 gallons of fuel. On average, it can run for up to 18 hours, which is quite sufficient for a regular user.
Since there is an LCD on the generator, you can use it to your advantage. Therefore, you can either use the remote control or the push button to activate the generator.
Moreover, the display also shows you the fuel level, power output, voltage, and run time. Since it has a noise level of 53 dBA, we might go as far as saying that it’s the quietest 4000 watt generator we have seen.
The generator has a 244cc Champion OHV engine, which is quite reliable, considering it comes from a reputed company.
The fuel tank capacity is up to 2.9 gallons, allowing the generator to remain functional for a long duration.
Although it’s powerful and suitable for long-term use, this 4000-watt generator does not make a lot of noise.
Pros
Cons
✅Only makes 64 dBA
❌Only has two 120V outlets
✅Comes with a three-year limited warranty
✅Has a long run time
When you’re looking for the perfect 4000-watt generator, one of the first things to notice is how its power compared to noise production. In terms of this Champion generator, this doesn’t seem to be a problem.
The generator provides 3500 watts of constant power and a surge of 4000 watts. Owing to that, you can use it in your RV with ultimate ease as it will make your tailgating experience much better.
It has a fuel tank capacity of up to 2.9 gallons, which is sufficient enough for an average family taking their RV on a road trip.
It can be used as a backup for when the power is out or in an RV for traveling across the country.
It has an OHV engine that creates 3500 watts of continuous power that goes up to 4000 watts.
Pros
Cons
✅Has a moderate noise production
❌Does not have an LCD display
✅Durable build
✅Suitable for camping
The Pulsar generator is a great option for people who are looking for the great 4000-watt generator for their RV or just for power outages. The generator only makes about 63 dBA of sound when it is working at lower loads.
Moreover, it can run demanding appliances with ultimate ease. Thus, if you want to use an AC in your RV, you can count on this generator to make it work.
Since it has a 3.4-gallon tank, the generator will run for up to 12 hours. If you turn on the economy switch, you can even use this generator for 15 hours.
One of the most amazing things about this generator is that it comes with remote control. Therefore, you don’t need to get out of your seat to start it. You can simply use the remote control.
Also, it has a telescoping handle that you can use to carry it around. Thus, if you go camping, you can easily transport this generator from one place to another.
A shortcoming of this generator is that it does not have an LCD. Thus, it does not give you the current fuel levels nor does it give you an indication of other statuses of the generator. Apart from that, it’s an amazing generator for your needs.
The Westinghouse generator is suitable for versatile uses.
Additionally, it can be used for backup or recreational stuff.
It goes up to 4200 watts, which is higher than the other generators mentioned on our list.
Pros
Cons
✅Has a high power
❌Heavy
✅Can be used for different things
✅Has an electric start button
Looking at this 4000-watt generator electric start, we can’t find any flaw in it other than the fact that it is a bit heavy and that can affect portability. Other than this, the generator is pretty amazing in all other aspects.
First of all, it has a push-button that you can use to start it. Therefore, you don’t have to exert any force on the generator as all it needs is a push.
Secondly, it has an LCD that shows you the current status of power and run time. Along with that, it also shows the oil indicator and tells you about the voltage.
The generator has a 2.6-gallon tank and can work for up to 18 hours if the eco mode is on. Another notable feature of this generator is that it does not make a lot of noise. It only makes 69 dBA of sound, allowing you to use the generator without any nuisance.
To make transportation easier, the generator has a telescopic handle and caster wheels at the bottom. Thus, you can take it from one place to another without any issue at all.
Most importantly, this generator comes with a warranty of three years. Therefore, you won’t have to worry about the quality or durability of this generator for that duration as the company will cover for any defects.
Honda is a trustworthy company that people have bought from for years.
This generator from them is a wonderful option for anyone looking for a 4000-watt generator for their RV.
The Honda 4000 watt RV generator can also be used for camping and outdoor events.
It has a fuel capacity of 5.1 gallons, which is more than the other generators on our list.
Pros
Cons
✅Has a large fuel capacity
❌No LCD
✅Is durable
✅Reliable
When talking about this 4000 running watt generator, the first thing that we need to focus on is the quick start capacity. It’s effortless to start this generator as it comes with a handy mechanism. All you have to do is turn the key and the generator will start.
Secondly, it’s very field efficient. Once you fill the 5.1-gallon tank, it will last for up to 18 hours, ensuring that you have a backup during a power outage.
If you run the generator in Eco mode, it’s fuel efficiency will go even higher. The generator works continuously as 5500-rated Watts and has a surge of 7000Watts. Therefore, it’s one of the best options in the market for this price.
If you consider the fact that it is an inverter, you must be delighted to know that the generator only makes about 60dBA of sound, which is pretty low for a machine of this caliber.
One of the best things about this generator is that it shuts off on its own when the oil goes up to an unsafe amount. In this way, the risk of permanent damage to the engine is lowered.
Amazing quality and specifications of their generator.
The generator is a lightweight pick for people who want something convenient that they can carry around with ease.
As compared to other generators, it weighs 30% lesser, making it easier for you to transport it to different locations.
Pros
Cons
✅Is lightweight
❌Has a small tank size
✅Runs at a peak of 4000 watts
✅Can be used for small events
The Wen 4000 watt generator is a suitable pick for people who are looking for something to last them through a power outage. It’s also an ideal option for smaller parties and outdoor events.
One of our favorite things about this generator is that it is lighter than the other options. Since it is 30% lighter, it’s easier for you to carry this generator around than it is to transport a regular model.
A slight shortcoming of this generator is that it has a small tank of just 1.85 gallons. Therefore, it only runs for up to seven hours.
Since there’s an indicator on the generator, the lights let you know when you need to add more fuel. Also, the noise level for this generator is just about 57dBA, which is suitable for the size.
If you live in a neighborhood with strict noise regulations, you can use this generator without having any issues.
Here we have another generator from Wen that gets the job done without making a lot of noise.
It has digital readouts that let you monitor the amount of fuel left in the generator.
It also allows you to schedule the maintenance sessions of the generator accordingly.
Pros
Cons
✅Is easily portable
❌Durability concerns
✅Has digital readouts
✅Electric start makes it easier to use
The Wen 4000 watt electric start generator is a suitable option for people who want a small option for their homes or RVs. Thanks to the digital readouts, you can check if the generator needs maintenance or you need to add more fuel.
Additionally, the electric start makes it easier for you to get the generator into action. When the oil is low, the generator shuts off immediately, ensuring that no damage is caused to the machinery. Along with that, the generator also has a built-in mechanism for overload protection.
To make transportation easier, the generator comes with foldable handles. The wheel kit further allows you to carry the generator around with ease.
On average, the generator runs on 3750 watts but has a surge of 4750 watts. Therefore, you can expect it to power all your appliances during camping trips or power outages.
The DuroStar generator has a lot of punch. Thus, you will be able to use it for bigger functions and occasions too.
Additionally, it has a 3.96-gallon tank. Therefore, it will run for a long time.
The generator is easily transported around, thanks to the handles.
Pros
Cons
✅Versatile usage
❌Slightly noisier
✅Extended duration of running
✅Automatic shutdown in low oil situations
DuroStar is known for making generators that always impress. This particular model from the company is a powerful option that can be used for homes and work sites. It has a solid construction and impressive performance, living up to your expectations.
It has a 3.96-gallon tank that has a gauge on it. When you run the generator at 50% capacity, you will get eight hours of run time. Since the generator has an indicator light, you will be alerted in case fuel is needed.
Although the running watts are 3300, the generator has 4000 starting watts. As compared to some other generators, this model is a bit heavier since it weighs 94 pounds. Likewise, another con of the generator is that it is a bit noisy because it makes up to 96dBA of noise.
Despite all these things, the one thing that sets this generator apart from others is that it’s budget-friendly. Therefore, if you’re looking for a 4000 watt portable generator that won’t break the bank, this is the one.
The Duromax generator has a powerful engine that will offer impressive performance in terms of running time.
You can use this generator for outdoor activities as well as indoor things.
It has a tank capacity of 3.96 gallons, which is large enough for multiple uses.
Pros
Cons
✅Has a sufficient capacity
❌Is quite heavy
✅Runs for a long time
❌Cannot charge electronics like computers and phones
✅CARB compliant
If you’re looking for a generator with an electric start, this is the one. While many other models have recoil starters, this one has a turnkey for electric startup. Additionally, it has a 3.96-gallon capacity. Thus, when using it at 50% capacity, you can expect the generator to go on for 12 hours.
As the generator is CARB compliant, you can use it in California and the national parks on your road trip. Although the generator comes with wheels and handles for easy portability, it’s on the heavier side. Thus, that could make it a bit difficult for you to transport the generator.
It weighs 120 pounds, which is much more than some other models.
Plus, it makes 69dBA of sound, which is noisier than other options. If you’re planning to use the generator inside an RV, this might be a bit problematic in some cases.
W it’s a viable portable option for people with different power needs.
You can keep it in your RV or use it at camping sites.
Along with powering electric tools, this generator is also useful for times when there’s a power outage.
Pros
Cons
✅Has a long run time
❌Does not come with wheels
✅Many accessories
✅Starts with a remote
The Firman generator is a suitable pick for people who want something that they can keep in their RVs or homes. It has a capacity of five gallons. Thus, it will run for up to 14 hours if you are running it at 50% capacity.
One major problem with this generator is in terms of portability. On the one hand, the generator weighs 110 pounds, which is heavier than most other models. On the other hand, it does not have wheels. Thus, it’s difficult to carry it around.
However, the generator also gets some points for convenience since it has an electric start. Simply press the button and the generator will be up and running.
It makes a noise of 68dBA, which is suitable in some instances and might be too loud for others. To solve the issue of portability, you can get a wheel kit for this generator.
Briggs & Stratton has always been known as a company you can trust, especially when it comes to performance.
This generator has a multi-featured control panel that lets you use the machine effectively.
Moreover, the Briggs & Stratton generator is backed by a two-year warranty.
Pros
Cons
✅Small enough to be easily portable
❌Noisy
✅Has a control panel
✅14 hours of run time
The Briggs & Stratton generator is an ideal choice for people who love to go on road trips on their RV. Along with powering appliances, this generator can also operate pretty much everything else in the RV.
You can also use this generator to run an AC in your RV. The power surge alternator of this generator has 25% more wattage to start any kind of appliance.
You have to start this generator with a recoil start mechanism. It’s quite standard among other models of the same kind. The generator has a five-gallon capacity. Thus, it will run for up to 14 hours if you’re using it at 50% capacity.
We like this 400 watt RV generator because it is a perfect pick for people who want a flexible option.
You can use it for outdoor activities, such as camping, or for power outages.
Along with gas, you can also run this generator on propane.
Pros
Cons
✅Suitable for indoor and outdoor activities
❌Does not have a wheel kit
✅Runs for up to 10 hours
✅Has a peak of 4000 watts
The Sportsman 4000 watt propane generator electric start is a great option for people who need something to support them through power outages and camping trips. It has a tank of 3.6 gallons that can be filled with propane or gas.
When running on 50% capacity, the generator can go on for 10 hours, which is quite long for most activities. It is EPA-approved and comes with a peak 4000 wattage.
As for the weight, the 4000-watt generator is 90 pounds, which is lighter than some other models we have discussed in this review.
If you are looking for a 4000-watt generator quiet, you’ll have to opt for a different option, depending on how much noise you can tolerate. This particular model makes up to 69dBA. Thus, it may be too loud for some neighborhoods and may even disturb you in an RV.
Other than that, the generator is extremely useful since it has six total outlets. Four of them are 120V while one is 120V Rv and one is 120V DC.
Plus, it has safety features such as automatic shutdown in case of low oil indication. Along with protecting the engine, this also prevents overload.
Generator for people who want something with a higher capacity.
Since it has an OHV engine, you can expect the engine’s life to be longer.
Pros
Cons
✅Durable
❌Not an electric start
✅Suitable for versatile usage
✅The fuel tank has a large capacity
The Generac generator has the Power Rush Advanced Technology, which is the trademark of the company. It allows more starting capacity, letting you do a lot with the generator.
Moreover, the machine has 3600 running watts. So, it can power pretty much anything you need to run. Since it has splash lubrication, the engine will have a longer life.
When the oil level is low, the generator shuts down automatically to prevent damage to the engine and other parts of the machine.
Moreover, it has a large tank capacity that allows you to run the generator for an extended period.
With that, we have come to the end of our 4000-watt generator reviews. In this guide, we talked about different generators that can be used at home, during a power outage, or for outdoor activities, such as camping and tailgating.
When buying the cheap 4000-watt generator, you have to be careful to ensure that the generator has all the features you require. Hopefully, this guide would have helped you select the great 4000-watt generator for yourself. Let us know in the comments below.
What Can a 4000 Watt Generator Power?
When people buy a 4000w inverter generator, the first thing they want to know is: what can you run on a 4000 watt generator? 4000 watts is a lot of power, so it can be used to run many things around the house.
These include a TV, sump pump, window AC unit, microwave oven, fridge and freezer, DVD player, computer, or a small heating system. If you have a 4000w inverter generator in your RV, you can use it to run anything from a BTU air conditioner and lighting circuits to refrigerators and a TV.
Along with using a 4000-watt generator at home, you can also use it in emergencies, such as hurricanes, if there’s a power outage. Or, you can take it along on your next camping trip.
How Many Amps Does a 4000 Watt Generator Have?
When running at 120V, a 4000 generator translates to 33.3 amps. Some generators with this capacity also have 240V outputs. In that case, you will get 16.6 amps.
I'm an engineer with 9 years of experience working on generators and inverters. Love writing about different gadgets and really passionate about energy and it's applications
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