DIESEL ENGINE COOLANT
· ASTM D6211 (coolant concentrate) in a 40 to 60%
The engine cooling system is filled to provide
mixture of concentrate with quality water
year-round protection against corrosion and cylinder
liner pitting, and winter freeze protection to -37°C
Coolants meeting these specifications require use of
supplemental coolant additives, formulated for
heavy-duty diesel engines, for protection against
The following engine coolant is preferred for service:
corrosion and cylinder liner erosion and pitting.
· CID A-A-52624 Type 1 is a fully formulated ethylene
A 50% mixture of ethylene glycol engine coolant in
glycol-based engine coolant concentrate.
water provides freeze protection to -37°C (-34°F). If
· CID A-A-52624 Type 1P is a prediluted (60% by vol.
protection at lower temperatures is required, consult
Glycol) fully formulated ethylene glycol-based engine
your John Deere dealer for recommendations.
· CID A-A-52624 Type 11 is a fully formulated
Water quality is important to the performance of the
propylene glycol-based engine coolant concentrate.
· CID A-A-52624 Type 1 and Type 11 require dilution
cooling system. Distilled, deionized, or demineralized
water is recommended for mixing with ethylene glycol
with water before use.
· CID A-A-52624 Type 1P is ready to use as
base engine coolant concentrate.
· John Deere PREDILUTED ANTIFREEZE/SUMMER
IMPORTANT: Do not use cooling system sealing
additives or antifreeze that contains
· John Deere COOL-GARDTM, where available.
Coolant drain intervals
John Deere ANTIFREEZE/SUMMER COOLANT
CONCENTRATE in a 40 to 60% mixture of
Drain and flush the cooling system and refill with fresh
concentrate with quality water is also recommended.
coolant every 24 months.
Other low silicate ethylene glycol base coolants for
When John Deere PREDILUTED
heavy-duty engines may be used if they meet one of
ANTIFREEZE/SUMMER COOLANT is used, the
the following specifications:
service interval may be extended to 60 months.
· ASTM D6210 (prediluted coolant)
COOL-GARD is a trademark of Deere & Company.