Diesel Fuel Types - Waspy's Truck Stop (2024)

FAQs

What type of diesel fuel should I use? ›

Viscosity is the thickness of the diesel, an important factor to consider in the winter months. #1 diesel is better for winter driving because it's thinner. However, in the summer, diesel #2 is better for engines because it's thicker and won't cause problems for an engine.

The Purpose of Diesel #1

First, it burns hotter and faster, meaning you'll need to fill up more frequently (compared to Diesel #2, but it's still more efficient than gasoline). Second, Diesel #1 is thinner – which can make it a better choice for driving in cold temperatures or during the winter months.

#2 gives way better MPG than #1. #1 is just the winter blend so it doesnt gel up as easy. but minus the extra warm up times, the Mileage is still not as good as compared to the spring/summer/fall time when using #2. Plus #2 has a lot better lubricity which is better for the fuel system.

Just make sure that your engine is capable of handling this mixture. Some engines are only designed for #2 diesel, which means prolonged use of the mixture could result in reduced engine performance and lifespan.

Standard diesel fuel

You won't have to worry about which type to use because all diesel automakers specify Diesel #2 for normal driving conditions. Truckers use Diesel #2 to carry heavy loads for long distances at sustained speeds because it's less volatile than Diesel #1 and provides greater fuel economy.

Cetane levels determines how fast the fuel burns and how ignitable it is. Therefore, diesel #2 is purchased by truck drivers because it is significantly less volatile. Because truckers are carrying heavy loads and are driving for long periods of time, using the less flammable fuel is necessary.

#1 and #2 grade fuels can be mixed at the same time. This means you don't have to worry if #1 grade is only available during the winter months.

Low-Sulfur Diesel No. 2, a less environmentally friendly fuel, was used before 2008. ULSD is a cleaner-burning fuel than Low-Sulfur Diesel, containing 97% less sulfur and improving the longevity of motors previously damaged by the higher sulfur content.

Diesel 1: Boasts a higher cetane number (ignition quality of diesel fuel), ensuring better ignition and smoother combustion, especially in cold weather. Diesel 2: It has a lower cetane number and is optimized for slightly delayed ignition in engines designed for this grade.

Anytime the temperature drops below -30 degrees Fahrenheit, use straight No. 1 diesel. To keep additives at proper levels, try NO. 1 DIESEL FUEL WITH CENEX® PREMIUM DIESEL FUEL ADDITIVE.

How many types of diesel are there? ›

Diesel fuels are broken up into 3 different classes: 1D(#1), 2D(#2) and 4D(#4). The difference between these classes depends on viscosity (the property of a fluid that causes a resistance to the fluid's flow) and pour point (the temperature at which a fluid will flow). #4 fuels tend to be used in low-speed engines.

Cummins engines typically offer a strong low-end torque, providing solid initial acceleration. Duramax engines are praised for their smooth power delivery, offering a balance between torque and responsiveness. Power Stroke engines have robust acceleration compared to their torque output.

Gelling occurs when paraffin wax within diesel fuel solidifies and bonds together at extremely low temperatures. This is known as the fuel's cloud point, which for No. 2 diesel is typically around 14°F.

Duramax Diesel Engine

The 6.7L Cummins and the 6.7L Power Stroke share the same displacement, while the 6.6L Duramax comes in last. In terms of power, it comes in just between the Cummins and the Power Stroke. Like those two engines, it is also B20 biodiesel compatible.

#2 diesel fuel

This chemical compound holds the highest amount of energy components and lubricant properties in one mixture and offers the best fuel performance available on the market today. Most scientists agree that #2 grade diesel fuel will protect injection pumps, seals, and other important engine parts.

There is no chemical difference between on-road and off-road diesel fuels. On-road diesel, also known as clear diesel, can be purchased at the local gas station. Off-road diesel is dyed red and is sold through bulk distributors. The only differences are in the color, cost, and intended use.

What is the difference between marine diesel and the one used on trucks and cars? - Quora. Marine diesels, which have a much lower concern over size and weight than one used in cars and trucks, can be larger, heavier, and lower RPM than their wheel mobile cousins.