How long do diesel engines last?

Diesel engines are an impressive showcase of engineering capability. They are considered to be some of the most reliable and durable pieces of machinery available. Quite naturally, they are used in some of the largest and most innovative motor vehicles in the world. You may be interested in diesel engines for a number of reasons. For example, what makes a diesel engine so much better than a petrol engine? How do diesel engines have such a long service life?

four main reasons for the longevity, durability and reliability of diesel engines

Overall diesel engine design - gear driven for better lubrication and less wear: Diesel engines are designed to be gear driven. Unlike other parts that can break or be damaged, gears can be easily repaired and never lose their timing. Most diesel vehicles may also use gear-driven water and oil pumps. This reduces the risk of parts and components failing.

The fuel used and compression ignition (auto-ignition): In order to use its fuel to power itself, a diesel engine uses compression ignition. This occurs when diesel fuel and air are compressed enough to generate heat, which leads to spontaneous combustion.

Diesel engines are built with bigger and stronger components for heavy-duty performance: vehicles with diesel engines are often made from heavy-duty components that can withstand the power of the vehicle, which means less wear and tear on each part of the engine. 

Diesel engines self-regulate oil and fuel temperatures: diesel engines are also great at self-cooling, which makes them far less likely to overheat. The use of multiple sensors and thermostats means that when one fails, there are other sensors and thermostats to prevent the engine from overheating. Multiple piston cooling nozzles also ensure that a constant flow of coolant flows freely through the engine.

What are the advantages of a diesel engine? There are several factors that help to reduce the cost of diesel maintenance, including

Diesel engines do not have spark plugs.

Diesel engines offer better fuel economy than petrol engines: a petrol engine is not gear driven, which means it uses timing belts, chains, pumps and other components that are more likely to break down and fail more frequently. In addition to better self-regulation of oil and fuel temperature, diesel engines generally offer better fuel economy and are considered by some to be better for the environment.

Diesel engines self-regulate oil and fuel temperatures: diesel engines are also great at self-cooling, which makes them far less likely to overheat. The use of multiple sensors and thermostats means that when one fails, there are other sensors and thermostats to prevent the engine from overheating. Multiple piston cooling nozzles also ensure that a constant flow of coolant flows freely through the engine.

Diesel is a better lubricant than petrol and has the consistency of a light oil: diesel has the consistency of a light oil, which means it will lubricate any cylinder as it flows through it. On the other hand, petrol is more of a solvent. According to Indiana Diesel, this means that petrol is more acidic than diesel fuel and can burn on surfaces, causing corrosion and damage. Diesel fuel is far less volatile than petrol and petrol only needs a spark to ignite.

Diesel engines have powerful fuel injection systems, more torque and produce fewer pollutants and corrosives: diesel engines have larger crankshafts, camshafts and cylinders, and larger bearing sizes. This means that there is more space within the engine for more oil to move freely. The larger oil and coolant capacity of a diesel engine means better lubrication and less wear and tear. In fact, the average petrol engine will use about a gallon of oil, while a large diesel engine can use up to 15 gallons. 

Diesel engines will run at lower speeds than gas engines: a petrol-fuelled engine will produce anything between 2,500 and 3,500 RPM (revolutions per minute), while a diesel engine will push out anything between 1,300 and 1,600 RPM. While this larger figure may seem like a good thing, petrol engines do twice as much work as diesel engines at the same performance. This is why petrol-powered engines experience more wear and tear at lower mileage.

Average life of a diesel engine

Petrol-powered vehicles can typically run for around 200,000 miles before they need to be overhauled or replaced with a new vehicle. However, it is an amazing fact that diesel engines can run for 1,000,000-1,500,000 miles before any major diesel repairs are required. If kept well maintained, a diesel engine can drive for approximately 30 years or more.

Introducing the FAWDE long-life diesel engine

-ALLWIN CA6DM3 560 hp engine

Powerful and powerful

Up to 560 hp

1000-1400 rpm range

2620N.m maximum torque achievable

High displacement

Very good diesel engine for road transport

High quality parts, independent design, safety and security

Equipped with laser-welded steel pistons

Higher structural strength of the engine

Less frictional losses

Parts and components are jointly developed with top international suppliers

High standards, high reliability and industry leading quality indicators

Innovative independent rocker engine brake

Maximum braking power of 350kW

Additional guarantee for safe driving

High fuel economy

External characteristics lowest fuel consumption rate 183g/kW. h

More than 2L per 100 km lower than the competition

Annual transport cost savings of 20,000 RMB

Fully meet the fuel saving needs of freight operators

Save fuel and money

The most important thing is long life, durability and reliability

High standard, high efficiency and high precision manufacturing process

Dedicated technical team

Longer than average lifespan of 1.6 million kilometres

Multi-road, multi-environment, multi-dimensional testing

Oil change intervals of up to 150,000 km

Significantly increases the operating profitability of trucking

Have more questions about the average life of a diesel engine? Or are you interested in our long-lasting diesel engines? Contact FAWDE!As the number one diesel engine manufacturer in China, our diesel engine experts will provide you with professional services and answers.