What Is the Lifespan of a Diesel Generator and How to Extend It

Florida residents know the struggle of storms and unpredictable weather leaving homes and businesses without power. With outages happening regularly, having a reliable backup power source is a necessity. A diesel generator can keep the lights on, appliances running, and your home or business functioning when the grid fails. But how long can you count on it?

At Vantage Access, we provide used diesel generators for sale at our locations in Fort Myers, Nokomis, and Green Cove Springs. Let’s look at the lifespan of a diesel generator and how you can get the most out of yours.

Big generator outside a building

How Long Does a Diesel Generator Last?

A well-maintained diesel generator can run for 10,000 to 30,000 hours, depending on factors like usage, maintenance, and load capacity. For a homeowner using a generator during occasional outages, this could mean 20 to 30 years of service. However, commercial use or prolonged operation can shorten its lifespan.

Yellow and black portable generator

The Key to Longevity

Regular maintenance is the most important factor in extending the life of your diesel generator. Changing the oil, replacing filters, checking coolant levels, and inspecting for wear and tear will keep your generator running smoothly. Neglecting these basic steps can lead to premature failure, leaving you without power when you need it most.

Two cords plugged into a portable generator

Load Management

Running your generator at the correct load capacity is another way to extend its lifespan. Consistently running a diesel generator at too low of a load can lead to wet stacking, a condition where unburned fuel accumulates in the exhaust, causing damage over time. On the other hand, overloading can strain the engine and lead to overheating. Finding the right balance—typically between 50-80% of the generator’s rated capacity—will keep it operating efficiently and reduce wear on its components.

Wet red generator

Weather Protection

Florida’s humidity, salt air, and stormy conditions can take a toll on any machinery, including diesel generators. Keeping your generator in a well-ventilated, weather-protected enclosure will prevent corrosion and water damage. If you live near the coast, regular inspections for rust and salt buildup are a must. Storing portable generators properly when not in use will also keep them in top shape for when you need backup power the most.

Find a Used Generator Today

At Vantage Access, we make it easy to find a high-quality, low-hour used diesel generator for sale in Florida. Our inventory includes generators that are built to last, with proper care and maintenance. Visit one of our locations or contact us today to find the backup power solution that works for you.

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