wc_tx003871gb_FM10.fm
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Machines with Aftertreatment Exhaust System
15.3 Shelf Life of Diesel Exhaust Fluid (DEF)
The shelf life of DEF is a function of temperature and the amount of exposure to
sunlight. Certain conditions can degrade the solution to a point where it will no
longer meet the standards.
Recommended shelf life of DEF is listed in the table below. See the DEF
manufacturer for detailed information.
NOTICE: Only use equipment that is clearly specified for handling DEF. Do not use
any hoses or pumps that do not specifically identify being compatible with the
brand of DEF being used, as DEF can be a corrosive liquid to certain metals and
can dissolve minerals from hoses and plastic fittings. Always read and understand
all information from the DEF manufacturer regarding storage and transfer of the
DEF.
Temperature range Minimum shelf life (months)
≤ 10°C ≤ 50°F 36
≤ 25°C ≤ 77°C 18
≤ 30°C ≤ 86°C 12
≤ 35°C ≤ 95°C 6
≥35°C ≥95°C Check before use
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