TORONTO, Ont. — Castrol Canada is launching Castrol Tection Extra for the heavy duty truck market.
Engine oils have the potential to shear and lose viscosity, which can cause increased oil consumption, increased piston deposits and decreased wear protection. Heavy duty diesel engine manufacturers, in response to the growing concern of viscosity protection, have deemed it vital that heavy duty engine oils provide shear stability to ensure the engine is continuously protected.
“It is critical that HD engine oils are shear stable to ensure the engine is protected throughout the drain. That is why the Mack EON PP-03 specification for the latest engine technology includes a requirement to stay in grade after the 90 cycle shear test,” stated Greg Shank, Staff Engineer, Lubricant, Filtration & Coolant Technology, from Mack Trucks Inc.
Specifically designed for heavy duty equipment, CastrolTection Extra has viscosity control for stay-in-grade performance that reduces oil consumption, minimizes wear and decreases deposits, which helps extend engine life, the company claims.
Castrol adds that its Tection Extra has superior dispersancy to manage high soot levels, powerful detergency to neutralize acids generated in the engine and a low ash chemistry that will not compromise performance in older engines.
Castrol Tection Extra meets CI-4 PLUS specifications, which is an extension of the API CI-4 category, which did not meet a few key requirements in some Exhaust Gas Recirculated (EGR) engines. Castrol Tection Extra passed the Mack T-11 viscosity test and the revised version of the Kurt Orbahn shear stability bench test, which are necessary to be API CI-4 Plus approved.
"Oils must be significantly more shear stable to pass the Kurt Orbahn test in API CI-4 Plus," said Michael Lynskey, Heavy Duty Engine Oil Product Technology Manager for Castrol Americas. "Castrol Americas has always formulated its engine oils for maximum shear stability, as this is a critical measure for engine protection."
Castrol Tection Extra is available in SAE 15W-40 grade where API CI-4 PLUS, CI-4, CH-4, CG-4, CF-4/SL is recommended for stay-in-grade requirements. It is approved for use in all major large diesel engines including Mack (EO-N Premium Plus 03, EO-N & EO-M+), Volvo, Cummins (20078, 20076, 20072 and 20071) Caterpillar (ECF-1) and Detroit Diesel.
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