How Many Years Do Generator Last?

How Many Years Do Generator Last?

Generators are one efficient and effective device that every homeowner could ever have. Yes, we didn’t realize its efficiency until one day, a power shortage came. Companies won’t force you to have one of these, but if you look at the other side, it helps. Like any other essential machine, generators have a lifespan too.

How Many Years Do Generator Last? Experts say that a generator can last up to 30 years. It can even last longer if you do proper care and maintenance and care. Choosing a good brand is one factor too that you need to consider.

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As you read on, we’ll let you know that proper care and maintenance are essential in a generator.

Generators Last Up To 30 Years

It ‘s shocking to know that generators can last up to 30 years. But this number will always depend on how well you provide preventive maintenance. Meanwhile, some would say that it will last depending on how much you use it. And some say that it also depends on the duration of its usage.

It’s evident that when your generator runs more than 30,000 hours, it can last up to 30 years. But, there are factors too that may hinder your generator’s lifespan from cutting short.

It is when you forget to do a Preventive Maintenance or PM. If you’re a first time user of a generator, it’s hard to do it. That’s why it’s better if you call someone whose expertise is doing this.

You can call your manufacturer’s service to schedule the PM. Maintenance of generators is not as easy as you think because it has needs that should be met. And only maintenance services can determine what it is. For you to be able to know more about what needs to check, here are some.

  • Coolant system
  • Lubrication System
  • Air System
  • Start system
  • Alternator
  • Transfer Switch
  • Fuel System

Remember that the more and longer hours you use the generator, the more it needs a PM.

Different Kinds Of Preventive Maintenance

General Inspection- Experts recommend that there’s a need for monthly check-ups. They would check the oil level and make sure there is enough coolant by checking the catch tank.

For those who use fuel energy sources, they need to check their fuel level and the water separators. Those who use a gaseous type of units, checking of fuel piping for possible leaks is important.

The Semi-Annual- from the term itself, this kind of maintenance is done every six months. They inspect what type of coolant you use and the drive belts condition too.

Annual- Maintenance people can change your generator’s filter and the engine oil. IF they see some problems with the fuel and air filter, they can suggest you change.

Overlooked items in your generators during an annual inspection are the transfer switch and the alternator. When a yearly inspection comes, don’t forget to have these two in the priority lane.


In general, generators can last up to 30 years but still depends on how well you take care of it. That even generators need PM too, like any other equipment. But if you suspect that your generator has a problem, don’t hesitate to call a professional’s service.

Yes, it may cost you lots of money but remember that it’s way better than buying a new one.