Phosphate Free Coolant - Heavy Duty (HD)
Shell Rotella® extended life coolants (ELC) are formulated to:
- Provide high performance protection for today’s heavy-duty diesel engines
- Provide effective heat transfer, freeze and boiling protection
- Provide corrosion protection for the cooling system
The Shell Rotella® brand offers a complete product line of ELC and Fully Formulated engine coolants, designed to deliver:
- Protection against overheating – Excellent heat transfer properties allow heat to transfer more effectively, protect against freeze and boil-over and help keep engines running cool
- Corrosion protection – Corrosion inhibitor technology protects metals against all forms of corrosion
- Maintenance savings – Technology helps extend coolant life and prolong the life of seals, hoses and other cooling system components – helping reduce overall maintenance costs
Shell Rotella® Fully Formulated AFC – Traditional AFC requiring regular maintenance with supplementary coolant additives (SCAs) in a nitrited, low silicate formulation, purple in color.
How Shell Rotella® Coolants Compare to Each Other
Relative Protection Against Freeze and Overheating
| Shell Rotella® Coolant Benefits | Shell Rotella® ELC Nitrite Free | Shell Rotella® ELC | Shell HD Phosphate Free |
|---|---|---|---|
| Freeze and boil-over protection | Best | Best | Best |
| Heat transfer | Best | Best | Better |
| Anti-scaling properties | Best | Better | Good |
Protection of Engine and Cooling System Components from Corrosion
| Shell Rotella® Coolant Benefits | Shell Rotella® ELC Nitrite Free |
Shell Rotella® ELC | Shell HD Phosphate Free |
|---|---|---|---|
| Aluminum corrosion protection |
Best | Better | Good |
| Copper/brass corrosion protection | Best | Better | Good |
| Oxidation - thermal stability | Best | Better | Good |
| Cylinder liner pitting corrosion protection |
Best | Best | Best |
| Compatible with elastomers and seals |
Best | Better | Better |
| Resistance to gel precipitate formation | Best | Best | Good |
Helps Reduce Overall Maintenance Costs
| Shell Rotella® Coolant Benefits | Shell Rotella® ELC Nitrite Free | Shell Rotella® ELC | Shell HD Phosphate Free |
|---|---|---|---|
| Non-depleting inhibitors |
Best | Better | Good |
| Maintenance (Testing, SCAs) | Best | Best | Good |
| Service Life | Best | Best | Good |
*Cylinder liner protection maintained with addition of SCAs
Consult the latest Technical Data Sheets for current OEM specifications and approvals by visiting epc.shell.com.
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