Combines conventional 15W-40 viscosity with advanced synthetic mPAO technology to provide enhanced wear protection and shear stability for high-performance turbocharged diesel engines. Maximum level of recommended ZDDP. Outstanding protection for flat tappet cams, bushing lifters, cam driven fuel pumps, turbocharger bearings and cylinder bores. Compatible with exhaust after treatment devices and exceeds API CJ-4, C-4 Plus, CI-4, CH-4, CG-4 and CF-4 specs. Compliant with OEM performance specs, including Caterpillar ECF-3, Cummins CES20081, Detroit Diesel Power Guard 93K218, Mack EO-O Premium Plus, Renault VI RLD-3, Volvo VDS-4 and Ford WSS-W2C171-E. Can be used in naturally aspirated diesel engines.