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| Product | Extreme Extreme | Extra Extra | Endurance Endurance |
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| Corrosion Protection |
Proshield OAT Extreme | Proshield OAT Extra | Proshield OAT Endurance |
| Formulation | OAT corrosion inhibitor with Nitrite and Molybdate Extreme |
Free of the additives Nitrite, 2-EHA, Amine and Phosphate Extra |
Free of the additives 2-EHA and Silicate Endurance |
| Fleet |
Agriculture Construction Marine Mining Trucking* Extreme |
Agriculture Marine Mining Mixed Fleet Trucking* Extra |
Agriculture Mining Trucking* Marine Endurance |
| Service Life |
8yr 5,000 hours 1,200,000 km 750,000 miles Extreme |
6yr 12,000 hrs 960,000km 600,000 miles Extra |
8yr 20,000 hrs 1,600,000km 1,000,000 miles Endurance |
*Selected applications only
One unique key to HD Expert coolant is the ProShieldTM OAT Corrosion Defense system. These proprietary blends deliver exceptional service life, with no need for SCAs or extenders. They are specially-formulated to protect modern engines built with heavy use of aluminium and magnesium, and their organic inhibitors are safer to handle and for the environment. Fill out the form to see how your coolant compares, and how ProShieldTM can improve your fleet today!
Whether it’s servicing older engines, topping-up, or operating in extreme temperatures, learn to select the best HD Expert product for your coolant needs. Our easy-to-read whitepaper helps you unlock the most value for your fleet, with lower maintenance costs and a longer engine life.
