SUPERTRONIC 15W-40CI-4/SL is a modern Diesel Engine Oil designed
for Heavy Duty Diesel Engines produced from 2002 onwards. It is suitable
for Turbocharged and Naturally Aspirated Engines providing superior soot
dispersing additives to ensure consistent lubricant viscosity throughout the
service interval. SUPERTRONIC 15W-40CI-4/SL is suitable for servicing in
most heavy duty vehicles not equipped with after exhaust emission reduction
systems (DPF, SCR & EGR).