JT520 Operator’s Manual Service - 121
Recommended Lubricants/Service Key
CMW
Engine Oil Temperature Chart
Approved Coolant
Any coolant is approved for use with this unit. However, it was filled with John Deere Cool-Gard coolant
before shipment from factory. Add only Cool-Gard (p/n 255-006) or any fully-formulated, ethylene glycol
based, low-silicate, heavy-duty diesel engine coolant meeting ASTM specification D5345 (prediluted) or
D4985 (concentrate). Before using any other kind of coolant, completely flush radiator.
NOTICE: Do not mix heavy-duty diesel engine coolant and automotive-type coolant. This will lead
coolant breakdown and engine damage.
Temperature range anticipated before next oil change
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