John Deere Antifreeze/Summer Coolant Concentrate
has a service life of 24 months or 50,000 miles of
ENGINE COOLANT SPECIFICATIONS
Water Quality Specifications
Engine coolants are a combination of three chemical
components: ethylene glycol (antifreeze), inhibiting
coolant additives, and quality water.
Chlorides (maximum) ....................... 40
Sulfates (maximum) ......................... 100
Coolant solutions of quality water, ethylene glycol
Total Dissolved Solids (maximum) .. 340
Total Hardness (maximum) ............. 170
concentrate (antifreeze), and supplemental coolant
pH Level ........................................... 5.5--9.0
additives (SCAs) MUST be used year-round to protect
against freezing, boil-over, liner erosion or pitting, and
Ethylene Glycol Concentrate (Antifreeze):
to provide a stable, noncorrosive environment for
seals, hoses, and metal engine parts.
IMPORTANT: Do not use cooling system sealing
additives or antifreeze that contains
Some products, including John Deere PREDILUTED
ANTIFREEZE/SUMMER COOLANT and CID
A-A-52624, are fully formulated coolants that contain
The use of John Deere coolant products, as outlined
all three components in their correct concentrations.
on the previous page, is strongly recommended.
Do not add an initial charge of supplemental coolant
additives to these fully formulated products.
If John Deere coolant products are not used, other low
silicate ethylene glycol base coolants for heavy-duty
Some coolant concentrates, including John Deere
engines may be used when mixed with quality water
ANTIFREEZE/SUMMER COOLANT CONCENTRATE
and supplemental coolant additives (SCAs), if they
and CID A-A-52624 Type I, contain both ethylene
meet one of the following specifications:
glycol antifreeze and inhibiting coolant additives. Mix
these products and quality water, but do not add an
ASTM D5345 (prediluted coolant)
initial charge of supplemental coolants additives.
ASTM D4985 (coolant concentrate) in a 40% to 60%
mixture of concentrate with quality water.
Coolants meeting ASTM D6210 (prediluted coolant) or
ASTM D6211 (coolant concentrate) require an initial
charge of supplemental coolant additives.
Coolants meeting these specifications require addition
of supplemental coolant additives (SCAs), formulated
for heavy-duty diesel engines, for protection against
Water quality is important to the performance of the
corrosion and cylinder liner erosion and pitting.
cooling system. Distilled, deionized, or demineralized
water is recommended for mixing with ethylene glycol
base engine coolant concentrate. All water used in the
cooling system should meet the following minimum
specifications for quality:
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