OPM 250 en-GB 83
© Scania CV AB 2022, Sweden
Quality requirements for fuel
Permitted sulphur content in diesel
Diesel with a higher sulphur content than
500 ppm for engines with SCR systems
If diesel with a higher sulphur content than per-
mitted is used on a short-term basis, this will not
cause permanent damage to the SCR catalytic
converter. The SCR catalytic converter may,
however, require diesel with a low sulphur con-
tent for some time after this to regain its normal
efficiency.
If diesel with an excessive sulphur content is
used for a longer period, there is a risk that the
SCR catalytic converter will not work properly.
Temperature dependence of diesel
Mixing kerosene or other paraffins with the die-
sel is prohibited. The injectors may be damaged.
It is not permissible to mix petrol with diesel. In
the long term petrol can cause wear in the injec-
tors and engine.
Engine type Max. sulphur content Note
Engines without SCR sys-
tem connected
4,000 ppm (0.4%) If the sulphur content is higher than 2,000 ppm, the
oil change intervals must be halved. A higher sul-
phur content than 4,000 ppm is not permitted, since
this will result in engine damage.
Engines with SCR system
connected
500 ppm (0.05%) Scania strongly recommends that fuel with a max-
imum sulphur content of 50 ppm is used if the en-
gine is run with an SCR system connected for
longer periods of time.
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