Maintaining the right coolant in your John Deere equipment is essential for maximizing engine performance, reducing wear, and preventing overheating.
In this post, we’ll explore what Cool-Gard 2 is, why it’s important, and provide a comprehensive equivalent chart that helps you choose the right coolant alternatives.
John Deere Cool Gard 2 Equivalent Chart
Equivalent Coolant | Type | Service Life | Key Features | Compatible With |
---|---|---|---|---|
John Deere Cool-Gard 2 (OEM) | OAT, Pre-Mixed 50/50 | 6 years / 6,000 hrs | Nitrite-free, anti-cavitation, anti-corrosion, pre-mixed | All John Deere equipment |
Fleetguard ES Compleat OAT | OAT | 6 years / 600,000 miles | Nitrite-free, phosphate-free, protects against cavitation | Cummins, John Deere, heavy-duty diesel |
CAT ELC (Extended Life Coolant) | OAT | 6 years / 12,000 hrs | Organic additive technology, high heat transfer, long drain | Caterpillar, John Deere cross-use |
Peak Final Charge Global OAT | OAT, Pre-Mixed | 6 years / 1,000,000 miles | Global heavy-duty use, nitrite-free, extended life | All heavy-duty diesel & off-road |
Shell Rotella ELC | OAT | 6 years / 600,000 miles | Nitrite-free, phosphate-free, extended drain intervals | John Deere, Freightliner, International |
Zerex G-05 (Valvoline) | HOAT | 5 years / 150,000 miles | Hybrid OAT, phosphate-free, low-silicate | Diesel, Ford, Chrysler, Mercedes |
Prestone Command Heavy Duty OAT | OAT | 6 years / 600,000 miles | Long-life protection, nitrite-free, anti-cavitation | Off-road and mixed fleets |
Chevron Delo ELC OAT | OAT | 6 years / 600,000 miles | Nitrite-free, protects against liner pitting | Diesel, agricultural, construction equipment |
Texaco HD ELC | OAT | 6 years | Organic additive technology, superior metal protection | John Deere & other heavy-duty engines |
Alliance Truck Parts ELC | OAT | 6 years / 600,000 miles | Nitrite-free, phosphate-free, long service intervals | Freightliner, off-road, John Deere cross-use |
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Best John Deere Cool-Gard 2 Equivalents
1. PEAK Final Charge Global Extended Life Antifreeze/Coolant

- OAT technology, nitrite-free and phosphate-free.
- Provides up to 1,000,000 miles / 6 years of protection.
- Works in both on-road and off-road heavy-duty diesel engines.
- Protects against rust, scale, liner pitting, and cavitation.
- Pre-diluted 50/50 for convenience.
2. Shell Rotella ELC Nitrite-Free Antifreeze/Coolant

- Extended life coolant with OAT chemistry.
- Protects for up to 600,000 miles / 12,000 hours.
- Nitrite-free formula prevents cavitation in diesel engines.
- Provides freeze protection down to -34°F.
- Compatible with John Deere and other heavy-duty equipment.
3. Fleetguard ES Compleat OAT Coolant

- Genuine Cummins-approved coolant equivalent.
- Nitrite-free OAT, phosphate-free formula.
- Provides extended service life of 600,000 miles.
- Effective at preventing corrosion, liner pitting, and scale.
- Suitable for mixed fleets, including agricultural machinery.
4. Chevron Delo Extended Life Coolant OAT

- Heavy-duty OAT coolant with nitrite-free protection.
- Delivers long service intervals up to 600,000 miles.
- Designed for diesel, agricultural, and construction engines.
- Provides superior liner pitting and cavitation protection.
- Ready-to-use 50/50 pre-diluted formula.
5. Prestone Command Heavy Duty Nitrite-Free OAT Coolant

- Extended life, OAT-based coolant for heavy-duty equipment.
- Nitrite-free formula protects against cavitation and corrosion.
- Service life up to 600,000 miles / 6 years.
- Designed for both on-road trucks and off-road machinery.
- Pre-mixed and easy to use.
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How to Choose the Right Equivalent?
When selecting a coolant to replace John Deere Cool-Gard 2, keep these factors in mind:
- Check OEM requirements – Always confirm whether your engine requires OAT, HOAT, or conventional coolant.
- Nitrite-free formula – Cool-Gard 2 is nitrite-free, so the equivalent should be as well.
- Extended life protection – Look for coolants with at least 6 years / 600,000 miles of coverage.
- Pre-mixed convenience – Many equivalents come in 50/50 pre-mix for easier use.
- Compatibility – Ensure the coolant is approved for heavy-duty diesel and agricultural applications.
The key is to ensure that the equivalent coolant meets or exceeds ASTM and OEM specifications for heavy-duty engines.
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What is John Deere Cool-Gard 2?
John Deere Cool-Gard 2 is an extended-life, pre-mixed, ethylene glycol-based coolant. It contains advanced additives that protect against rust, scale, corrosion, and liner pitting. It also provides freeze protection down to -37°C (-34°F) and boiling protection up to 129°C (265°F).
Key features include:
- Extended service life up to 6 years / 6,000 hours.
- Nitrite-free formula to prevent cavitation.
- Compatibility with John Deere engines and most diesel/gasoline applications.
- Pre-mixed (50/50) for convenience.
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Why Look for Cool-Gard 2 Equivalents?
While Cool-Gard 2 is highly recommended, sometimes alternatives are needed due to:
- Availability in certain regions.
- Cost considerations, especially for fleets.
- Cross-brand compatibility when working with mixed equipment fleets.
FAQs
What is the John Deere Cool-Gard 2 coolant?
It is an extended-life, nitrite-free, OAT-based coolant designed specifically for John Deere and other heavy-duty engines, offering up to 6 years or 6,000 hours of protection.
What can I use instead of John Deere Cool-Gard 2?
You can use equivalents such as Fleetguard ES Compleat OAT, CAT ELC, Peak Final Charge Global, Shell Rotella ELC, or Chevron Delo ELC, as long as they meet ASTM and OEM requirements.
Can I mix Cool-Gard 2 with other coolants?
It is not recommended to mix Cool-Gard 2 with conventional or HOAT coolants, as it can shorten lifespan and reduce protection. Always use the same OAT-based coolant.
Does Cool-Gard 2 prevent cavitation?
Yes. Its nitrite-free OAT formula is specifically designed to prevent cylinder liner pitting and cavitation damage in heavy-duty engines.
How often should I replace Cool-Gard 2?
John Deere recommends replacement every 6 years or 6,000 hours, whichever comes first.
Final Thoughts
John Deere Cool-Gard 2 is one of the best heavy-duty coolants available, but in cases where it’s not accessible, there are reliable alternatives that meet or exceed its performance standards. From Fleetguard to Shell Rotella ELC, the equivalents listed above provide extended service life, superior protection, and compatibility with John Deere engines.
Always check your operator’s manual before making a switch to ensure compatibility and maintain warranty protection.