Diesel generators and petrol generators both have their pros and cons. In general, they are both a good options if you are looking for a portable generator. However, there are some differences between the two that you should be aware of before you make your decision.

Diesel Generator

A diesel generator is a portable device that can be used to generate electricity. It works by burning diesel fuel in order to produce power which is then sent through an electrical outlet to charge items such as phones and laptops. There are many different types of diesel generators available on the market today including:

Portable Generators – These are small units that can be easily transported from place to place by hand. They are useful if you want something lightweight but still powerful enough to provide power for essential items like lights, televisions, and computers in your home or office during outages or emergencies.

Standby Generators – Standby generators are larger than portable models but still small enough to fit in most backyards without causing any damage to property or landscaping. They can provide enough power for most homes and businesses during outages or emergencies.

Petrol Generators

Petrol generators are smaller than diesel units but produce more noise than diesel due to their smaller size and higher RPM rate (revolutions per minute). They’re also more fuel efficient since they burn less fuel per hour compared with a diesel unit of similar wattage output.

Petrol generators have been around for quite some time now and are still the most popular choice for many homeowners. They are easy to use and can be powered by either petrol or diesel. These generators are perfect for small homes, cabins, and even on camping trips.

The main difference between diesel generators and petrol generators is the source of their power. Diesel generators use diesel fuel to generate electricity, while petrol generators use gasoline.

Diesel Vs Petrol Generators

When choosing between diesel generators and petrol generators, it’s important to consider what you intend to use them for. The main difference between the two types of generators is that diesel generators are more powerful than petrol ones, resulting in more consistent power output over a longer period of time. For example, a 5kW portable diesel generator will produce about 20% more power than its equivalent petrol counterpart. This makes them ideal for providing power during emergencies or power outages when you need continuous power (e.g., during medical emergencies).

However, these units are heavier and require regular maintenance which may be an issue if you want something that can be easily carried around by hand or moved from one place to another.

Diesel generators are ideal for powering up large machinery such as cranes, excavators, etc., while petrol ones are used for smaller machinery like lights, pumps and so on.

Petrol generators are silent generators. They are generally easier to start and can be used in places where the noise level is an issue. The noise level of a diesel generator is much higher than that of a petrol generator.

The downside of using petrol generators is that they need more maintenance than their diesel counterparts — they require regular oil changes and tune-ups due to the high pressures they operate under; whereas diesel engines can run for many hours without needing any maintenance at all!

Petrol-powered generators are cheaper to buy and maintain than diesel versions because they need less maintenance and don’t require special equipment to start up or keep running properly. They can also be used in tight spaces where there is no room for a gas tank or exhaust pipe on a diesel generator. However, they have shorter lifespans than diesel models do because they must be started up manually rather than automatically like their diesel counterparts do when turned on by an electric starter motor.

The advantages of using diesel generators include:


Highly fuel efficient: Diesel generators produce more energy per unit volume compared to petrol generators. This means that diesel generators require less fuel consumption to generate enough power for your home or office.

Reliability: Diesel generators are more reliable than petrol ones as they don’t require any maintenance apart from regular oil changes every 500 hours of operation or so. They also have an average life span of 20 years if taken care of properly by following the manufacturer’s recommendations such as changing oil at regular intervals and proper maintenance etc.

Durability: A diesel generator will last longer than a petrol generator due to the fact that it has fewer moving parts and it doesn’t need regular maintenance like spark plugs, carburetors, or fuel filters do on a petrol engine.

If you are interested in purchasing a generator, Bellwood Rewinds offer a range of generator services, from used generators to new generators and generator hire, we have got you covered. For more information, please contact our team today.