HP MILCY 15W-40 CI-4 is a super-premium quality multi-grade diesel engine oil, formulated from highly refined paraffinic base stocks and advanced additive technology to meet the demanding performance requirements of new-generation, low-emission diesel engines. It is specially engineered to handle the operational severity of modern engines equipped with technologies such as Exhaust Gas Recirculation (EGR), Turbocharging, and Common Rail Direct Injection (CRDI), ensuring exceptional protection and reliability in both heavy-duty and light commercial applications. Developed to provide superior oxidation stability and thermal resistance, HP MILCY 15W-40 CI-4 effectively prevents sludge formation, piston deposits, and corrosive wear under extreme operating temperatures.

Specification HP MILCY 15W40 CI-4
Kinematic Viscosity @ 100°C, cSt 14.3 – 15.3
Viscosity Index, Min 120
TBN, mg KOH/gm 9
Flash Point, COC, °C, Min 210
Pour Point, °C, Max -21
HP MILCY 15W40 CI‑4 barrel