With extended service life and superior protection, ProShield supports a safer and cleaner operating engine cooling system. ProShield requires no initial SCA or coolant extender at initial fill, making it a maximum service life full OAT.
With extended service life and superior protection, ProShield supports a safer and cleaner operating engine cooling system. ProShield requires no initial SCA or coolant extender at initial fill, making it a maximum service life full OAT.
HD Expert | Colour | Formulation | Compatibility | Technology |
---|---|---|---|---|
Extra |
Pale Yellow | Free of 2-EHA | Compatible with ALL engine coolant technologies, compatible with, but does not require the addition of SCA or coolant extenders | Global extended life, organic additive technology (OAT) corrosion inhibitor package, free of the additives nitrite, 2-EHA, amine and phosphate |
Endurance |
Gold | Free of 2-EHA | Compatible with, but does not require the addition of SCA or Coolant Extenders, its compatibility extends to similarly formulated engine antifreeze | Maximum service life, organic acid technology (OAT) corrosion inhibitor package, free of the additives 2- EHA and silicate |
Extreme |
Red | Free of 2-EHA | Compatible with, but does not require the addition of SCA or Coolant Extenders, its compatibility extends to similarly formulated engine antifreeze | Extended life, organic acid technology (OAT) corrosion inhibitor package, a fortified, nitrite & molybdate based formula |
Premium |
Red | Free of 2-EHA | For use where an extended service interval is required, it does not require a charge of SCA or coolant extender at initial fill however is compatible with both | Extended life, low silicate, nitrite based Hybrid technology |
Classic |
Purple | Free of 2-EHA | Compatible with any other traditional fully formulated, conventional coolant products, standard heavy duty SCAs and coolant filters | Conventional based on traditional inorganic inhibitors, including silicates, nitrites and borates; phosphate and amine free |
Each HD Expert formulation is defined by a unique and proprietary corrosion inhibitor package. These customized blends form chemical barriers that protect internal engine components from corrosion, cavitation erosion and scale that occur as water and glycol age and degrade in the cooling system.
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.