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5 things to know before buying a Diesel generator set - Sudhir Power

Sep. 01, 2025

5 things to know before buying a Diesel generator set - Sudhir Power

Generators are the essential heartbeat of construction sites, facility projects, infrastructure projects and outdoor events throughout India.

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Here are five key points you should focus on when purchasing best dg sets in india :

1. Fuel tank capacity and litres/hour of usage: You should always buy a fuel efficient generator, either diesel generator or gas generator , you should also make sure that it holds a good amount of fuel. There are generators in the market that adjust their rotations per minute (RPM) based on the load demand, which makes them fuel efficient. Keep these two things in mind while buying a generator set. Therefore, it is recommended to ask two or three generator manufacturers for a forecast on fuel consumption before making an investment.

2. Your power requirement: You need to have a clear idea of your power requirement. You need to decide beforehand whether the silent generator for home will power all the appliances in the house or just the emergency appliances. Based on this you can have a correct idea of your power requirement and hence will be able to choose the ideal generator.

3. Fuel Type: The most common fuel types for generators are diesel genset,  natural gas, propane. Gas generators might seem convenient at first but their short lifespan does not make them an ideal choice. Diesel prices have been going up recently and that is why diesel generator can prove to be quite costly.  but diesel generator sets are most common used generator on india. Choose your diesel generator for home backup set based on fuel price and fuel availability.

4. Location and Space: Ideally, a generator set should always be located where it’s easily accessible for maintenance and repair and support. Make sure you have enough space for the generator to be installed. As per the code, a generator should not be close to anything flammable and should have proper ventilation to let the smoke out. Assess all these things carefully before buying a silent generator for home use.

5.  Warranty: The standard warranty for diesel generator systems varies from company to company as well as generator to generator. Residential generator may come with a warranty of 2-5 years. An industrial diesel generator may come with 1-2 year warranty. It is ideal to understand the warranty duration and coverage to make sure that in case there is any fault in the diesel generator set early on it will be covered by the company.

Consider all the foregoing factors that affect the choice of appropriate sizing. If in doubt, apply a simple rule for estimating motor starting: 1 kW of generator set rating per ¾ to 1 hp specified on the motor nameplate.

Contact us to discuss your requirements of Power Diesel Generator. Our experienced sales team can help you identify the options that best suit your needs.

Always stay on the conservative side and remember that diesel generators are built to work hard and the more accurate the sizing is to the application, the greater results.

For users, contractors and event companies who have always rented the same size generator, now is the time to seek expert advice about the latest developments that are designed to help to match outputs to applications.

Important Things to Consider When Buying a Used Diesel Generator

Important Things to Consider When Buying a Used Diesel Generator

Generators always come in handy as backup units in case of a power outage. Today, some business owners choose to buy used generators as they consider this to be a cost-effective way to power their operations. However, there are several things you should consider when buying a used diesel generator. This will help you enjoy the peace of mind that comes with knowing the machine will meet your needs and serve you for a long time.

Your power requirement

To pick and buy the right commercial generator, you should start by assessing your power needs and requirements. The process, which is known as sizing a generator, will require you to have in mind the main equipment that you need to power. These include machinery, industrial equipment, and emergency lights to ensure the safety of your employees. You should consider working with a master electrician, so you get reliable estimates.

Fuel tank capacity

Used diesel generators for sale come in different shapes and sizes. This is why you should take time to establish whether the machine you want to buy can hold a good amount of fuel. Buying a generator with a big fuel tank capacity means you will not need to refill frequently, a factor that will save you time and offer convenience. In addition to the fuel tank capacity, it will help to go for a fuel-efficient unit. Today, there are some generators that adjust their rotations per minute, depending on the load demand to enhance fuel efficiency.

Control systems and power management

The ideal control system offers a wide range of features. These include the ability to display warnings, provide different analysis data as well as start and program the machine remotely. There are also used generators that are equipped with Power Management Systems. This feature makes it possible to optimize fuel consumption and performance, depending on whether the load has increased or decreased. Doing this helps to avoid engine damage, thereby extending the useful work life of the machine.

Location and space

Ideally, any generator should be located where you can access it easily whenever maintenance, repair, and support are required. It is essential to make sure that you have adequate space to install the generator before buying it. The space should not only allow for proper ventilation so smoke can escape but also be a safe distance from flammable materials. In case you are interested in a used generators for sale by owner, you should take time to find out where the previous owner had installed the unit.

Infographic – what to Consider when Buying a Diesel Generator?

Physical size and transportation

Apart from size, you should also take into account the physical size of the generator. Take time to establish whether the generators can be stacked on top of each other in order to conserve space without undermining access. When it comes to transportation, it will also pay to determine whether the generator can be towed, loaded onto a truck, or be transported using a forklift.

For more New Diesel Generatorinformation, please contact us. We will provide professional answers.

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