There are many ways to determine if a used generator is a good buy. Here is how to identify a good used generator.
The first way is to simply ask the seller if you can take it for a test run. Most people will be happy to let you do this, as long as they are confident that you won’t steal their equipment. If they refuse to let you test it, then this could indicate that there is something wrong with it.
Make sure it’s running smoothly and doesn’t have any trouble starting up. If there’s trouble starting up the motor, then that could be a sign of internal issues like bad wiring or weak battery connections.
Another way to check is by looking at the oil level in the engine and checking for any leaks. If there are any leaks, then this might indicate that there is some kind of mechanical problem with the unit.
The next thing that you want to check is how much fuel does it take to start up the generator? This will give you an idea of how much fuel capacity it has and how much power it can produce with each tank full of gas or diesel fuel. You’ll also want to check how long does it take for the generator to start up after being turned off or unplugged from an outlet, so that you know how long will be needed for getting ready for power after an outage occurs.
Inspect all electrical connections including switches, wires and fuses for signs of damage or loose connections. If you see any loose wires or frayed wires, then this could indicate that there have been problems with this particular unit or perhaps even worse, a fire hazard!
Look over the fuel tank for rusting or pitting on its surface as well as inside where it connects to the engine itself. This could mean that water has gotten into your fuel tank which would cause corrosion and rusting over time if not fixed immediately!
The best way to get a good used generator is by purchasing from a reputable dealer. The internet is full of generators for sale, but many of these are not tested, and may not be in good condition. I recommend buying from an authorized dealer where you can see the generator before you buy it.