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Fuels, Lubricants, and Coolants

DX,DEF -19-13JUN13-1/1

DX,DEF,STORE -19-13JUN13-1/1

Diesel Exhaust Fluid (DEF) — Use in Selective Catalytic Reduction (SCR) Equipped Engines

Diesel exhaust fluid (DEF) is a high purity liquid that is
injected into the exhaust system of engines equipped with
selective catalytic reduction (SCR) systems. Maintaining
the purity of DEF is important to avoid malfunctions in the
SCR system. Engines requiring DEF shall use a product
that meets the requirements for aqueous urea solution 32
(AUS 32) according to ISO 22241-1.

The use of John Deere Diesel Exhaust Fluid is
recommended. John Deere Diesel Exhaust Fluid is
available at your John Deere dealer in a variety of
package sizes to suit your operational needs.

If John Deere Diesel Exhaust Fluid is not available, use
DEF that is certified by the American Petroleum Institute

(API) Diesel Exhaust Fluid Certification Program or by
the AdBlue™ Diesel Exhaust Fluid Certification Program.
Look for the API certification symbol or the AdBlue™
name on the container.

In some cases, DEF is referred to by one or more of these

names:

•

Urea

•

Aqueous Urea Solution 32

•

AUS 32

•

AdBlue™

•

NOx Reduction Agent

•

Catalyst Solution

AdBlue is a trademark of VDA, the German Association
of the Automotive Industry.

Storing Diesel Exhaust Fluid (DEF)

CAUTION: Avoid contact with eyes. In case

of contact, immediately flush eyes with large
amounts of water for a minimum of 15 minutes.
Reference the Materials Safety Data Sheet
(MSDS) for additional information.

Do not ingest DEF. In the event DEF is ingested,
contact a physician immediately. Reference
the Materials Safety Data Sheet (MSDS) for
additional information.

IMPORTANT: It is unlawful to tamper with or remove

any component of the aftertreatment system.
Do not use DEF that does not meet the required
specifications or operate the engine with no DEF.

Never attempt to create DEF by mixing
agricultural grade urea with water. Agricultural
grade urea does not meet the necessary
specifications and can damage the
aftertreatment system.

Do not add any chemicals or additives to
DEF in an effort to prevent freezing. Any
chemicals or additives added to DEF can
damage the aftertreatment system.

Never add water or any other fluid in place
of, or in addition to DEF. Operating with a
modified DEF or using an unapproved DEF can
damage the aftertreatment system.

The following storage information is provided for reference
and is to be used as a guideline only.

It is preferred to store DEF out of extreme ambient
temperatures. DEF freezes at –11 °C (12 °F). Exposure
to temperatures greater than 30 °C (86 °F) can degrade
DEF over time.

Dedicated DEF storage containers must be sealed
between uses to prevent evaporation and contamination.
Containers made of polyethylene, polypropylene, or
stainless steel are recommended to transport and store
DEF.

Ideal conditions for storage of DEF are:

•

Store at temperatures between –5 °C and 30 °C (23
°F and 86 °F)

•

Store in dedicated containers sealed to avoid
contamination and evaporation

Under these conditions, DEF is expected to remain
useable for a minimum of 18 months. Storing DEF
at higher temperatures can reduce its useful life by
approximately 6 months for every 5 °C (9 °F) temperature
above 30 °C (86 °F).

If unsure how long or under what conditions DEF has been
stored, test DEF. See Testing Diesel Exhaust Fluid (DEF).

Long-term storage in the DEF tank (over 12 months) is
not recommended. If long-term storage is necessary,
test DEF prior to operating engine. See Testing Diesel
Exhaust Fluid (DEF).

TSE PTV100/72, Owner'S Manual

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