Truckmaster CJ-4 provides class leading performance in heavy duty, long drain diesel engine oils, utilising a combination of the latest technology, Group II base oils, viscosity index improvers and the latest technology additives.


Truckmaster CJ-4 has been formulated to meet the latest stringent mid SAPS (Sulphated Ash, Phosphorus & Sulphur) requirements of today's high performance emission controlled engines. It meets and exceeds Volvo VDS-4, MB 228.31, Cummins 20081, ACEA E9 (2012) specifications. Truckmaster CJ-4 is especially suitable where long and extended oil drain intervals are required as part of the vehicle maintenance scheduling. It is often used in conjunction with the Millers Oils Oil Analysis System to monitor oil condition throughout the drain interval.

User Benefits

  • Truckmaster CJ-4 is not only ideal for Euro VI, Euro IV & Euro V engines but also backwards compatible with previous legislation emission controlled engines. Also its API CJ-4 performance is a key requirement for US engines
  • The result of the combination of high quality raw materials and high performance specifications produces an oil that is endorsed by OEMs, together with an outstanding performance competence in service
  • For cost effectiveness as established through mechanical reliability and low lubricant, filter and service costs, Truckmaster CJ-4 is an essential requirement for today's sophisticated, highly tuned truck engines