Ultra 9000 15W-40 CJ-4/SN is the most advanced development in lubrication chemistry resulting in a world capable diesel engine oil for greater lubricant life & protection of all moving parts from wear & soot damage. Ultra 9000 is a heavy-duty diesel engine oil that meets the requirements of high speed, turbocharged European, American & Japanese design emission engines. This includes those engines which incorporate an Exhaust Gas Recycling(EGR) & Diesel Particulate Filters(DPF) & full electronic management of fuel and emissions systems to provide fuel efficiency, high wear protection, long drain capability & optimisation of the EGR system life thereby decreasing the maintenance costs