Product | Classic Classic | Premium Premium | Extreme Extreme |
---|---|---|---|
Corrosion Protection |
Conventional Classic | Hybrid OAT Premium | Proshield OAT Extreme |
Formulation | Free of the additives Phosphate and Amine; low in silicate Classic | Free of the additives Phosphate and Amine; low in silicate Premium | OAT corrosion inhibitor with Nitrite and Molybdate Extreme |
Fleet |
Automotive Construction Trucking* Classic |
Agriculture Construction Marine Mining Trucking* Premium |
Agriculture Construction Marine Mining Trucking* Extreme |
Service Life | Varies Classic |
6yr 12,000 hours 960,000km 600,000 miles Premium |
8yr 5,000 hours 1,200,000 km 750,000 miles Extreme |
*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.