John Deere equipment is equipped with an advanced cooling system which uses a specially formulated coolant for optimum performance and maintenance-free long life of the engine. John Deere coolant is a perfect blend of specially formulated coolant conditioner, anti-corrosion additives and anti-foaming agents. This is available as ready to use, pre-mixed with a fixed percentage of de-mineralized water.


Here we highlight their most popular product.



Cool-Gard™ II Pre-Mix

Cool-Gard II is a fully formulated summer coolant, winter antifreeze that delivers full protection from corrosion, cavitation, foaming, rust and scaling. Cool-Gard II is designed to withstand thermal oxidation and breakdown to handle higher temperature applications while providing service life up to 6 years or 6,000* hours.

This ready to use coolant contains 50/50 mix of fully formulated John Deere concentrate and demineralized water.

The addition of coolant conditioner or supplemental coolant additive is not required. This is a fully formulated product.

Features and benefits

• 6-year or 6,000-hour* service life to reduce downtime and lower operating costs1

• Offers 20% longer service intervals, which translate to savings1

• Possesses the high thermal and oxidative stability required by engines equipped with cooled exhaust gas recirculation (EGR)1

• Provides superior performance in all liquid-cooling system designs1

• Protects against corrosion and deposits, extends water pump life, and minimizes liner cavitation1

• Contains Bitrex® to help discourage accidental ingestion1

• Supports advanced engine technology1

• Supports higher cooling demands1

• Service-ready for existing equipment1

• Compatible with Cool-Gard™1

• Excellent for diesel and automotive engines1

• 50/50 mix (50-percent demineralized water and 50-percent concentrate)1

• Freeze protection to -34o F (-37o C)1

• Fully formulate – no coolant conditioner required at initial fill1

• Available in 1-gallon, 2-1/2-gallon, and drum sizes1