Since , the British Standard for Industrial Fuel Oils, BS, contains two grades of Gas Oil; Class A2 & Class D. The Class A2. Gas Oil BS Class A2. Gas Oil is a distillate fuel manufactured to give clean burning, maximum heat output and efficient combustion in boilers and off-road. Free download of BS – the fuel specification data sheets for Red diesel, gas oil and Red Diesel / Gas Oil 10ppm Specification Sheet (BS Class A2).

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For further information on the fuels supplied by Crown Oil, please see our fuel products page.

The red excise marker in red diesel is present to show that the fuel is subject to a different taxation category to the one which is applied to diesel white diesel used in road vehicles. Nothing on this specification, or in this article, constitutes a guarantee. Sulphur was identified as one of the most harmful components of Gas Oil, but was historically needed as a lubricant within the fuel.

CPS Fuels Gas Oil meets the same BS EN specifications as white road diesel and is therefore suitable for use in all farm machinery without the need for fuel treatments or additives.

If you continue without changing your settings, we’ll assume that you are happy to receive all cookies on our website. EN is the current standard for all automotive diesel fuel sold in the European Union member states.

Gas Oil is a middle distillate liquid refined from crude oil. However, if you would like to, you can change your cookie settings at any time. It was introduced to partner the European emission standards as part of the drive for a cleaner environment. Back to the news. Since the change is legislation, and because the majority of Gas Oil used in the UK goes into the Agricultural and Commercial markets to power engines, UK refiners and importers have focused on supplying the UK with diesel which meets the highest possible required European standard EN Class A2 gas oil may be used for either application.


This is one of the main reasons why red diesel is lower in cost when compared to road diesel. We will expand on this later. The red dye contains chemical markers in accordance to Customs and Excise requirements and so its illegal use can be easily detected.

Environmental Legislation has demanded cleaner fuels with less harmful emissions and the British Standard for Gas Oil has changed specification to meet this. The sulphur content for class A2 diesel is 0. It has a high calorific value heat content and is thus recommended as a boiler fuel in industrial or agricultural installations with pressure jet burners e.

What is Gas Oil? CPS Fuels Information Sheet

Class A2 covered all off-road vehicles, including trains and tractors. Has Gas Oil specification changed? The sulphur content of class D diesel is 0. As Gas Oil is a form of diesel it can be used in diesel engines to provide propulsion or generation.

So what is my Gas Oil now? In an update was made in the UK to British Standard BS for gas oil red diesel requiring a limit of 10mg of sulphur per kg fuel for mobile off-road equipment.

What’s the British Standard for Cllass Oil?

A lot of the confusion around Gas Oil, bs28869 the variety of different names, has come both from its variety of different uses, and changes to product specification over the last few decades. There are just two of the reasons why there has been a need to significantly reduce the sulphur contents of fuels. In claxs UK it was found that some modern tractors suffered from poor performance because they were running Class A2 Gas Oil whereas they were designed to operate on clss that met the higher BS EN white road diesel fuel specification.


There are two recognized standards of Gas Oil that are currently in use: John Deere, in particular, specify that fuel used within their engines must comply with the higher BS EN white road diesel fuel specification in order to guarantee performance and avoid invalidating warranties.

It is published by the European Committee for Standardization and it describes the physical properties of the fuel. Both our suppliers, and CPS Fuels, reserve the right to alter the specification without notice. Why is Gas Oil Red? It can coass be used in a diesel engine fuelling off-the-highway equipment such as farm tractors, construction equipment, railway and marine engines, and stationary diesel engines or generators.

What is Gas Oil? CPS Fuels Information Sheet

You can also order fuel bss2869 filling in our fuel quote form or speak to our friendly fuel experts on Gas Oil has a lower vs2869 rating, so may have a lower energy yield than the DERV vehicle diesel alternative. Gas Oil supplied from September onwards is winterised.

The higher the cetane rating the shorter the ignition delay. We use cookies to ensure that we give you the best experience on our website. BS red diesel was split into two different categories. As very few engines or burners can now legally use Class D fuel, the fuel industry has concentrated on making, storing, and distributing Class A2.