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DX,COOL7 –19–19DEC03–2/2
Ethylene Glycol Freeze Protection Limit
40% -24°C (-12°F)
50% -37°C (-34°F)
60% -52°C (-62°F)
Propylene Glycol Freeze Protection Limit
40% -21°C (-6°F)
50% -33°C (-27°F)
60% -49°C (-56°F)
DO NOT use a coolant-water mixture greater than
60% ethylene glycol or 60% propylene glycol.
DX,COOL4 –19–07NOV03–1/1
Supplemental Coolant Additives
The concentration of coolant additives is gradually
depleted during engine operation. For all
recommended coolants, replenish additives between
drain intervals by adding a supplemental coolant
additive every 12 months or as determined necessary
by coolant testing.
John Deere COOLANT CONDITIONER is
recommended as a supplemental coolant additive in
John Deere engines.
IMPORTANT: Do not add a supplemental coolant
additive when the cooling system is
drained and refilled with John
DeereCOOL-GARD.
If other coolants are used, consult the coolant supplier
and follow the manufacturer’s recommendation for use
of supplemental coolant additives.
The use of non-recommended supplemental coolant
additives may result in additive drop-out and gelation
of the coolant.
Add the manufacturer’s recommended concentration of
supplemental coolant additive. DO NOT add more than
the recommended amount.
COOL-GARD is a trademark of Deere & Company
10-15
110306
PN=41