RX PLUS 15W-40
New and advanced Castrol RX Plus™ 15W-40 with specially engineered DuraShield™ Boosters gives you up to 40% less wear for longer engine life (based on engine cam wear performance vs API CJ-4 industry limits). Recommended by Castrol for use in all naturally aspirated and turbocharged diesel engines.
RX MONO 30
Castrol RX Mono 30 is a heavy duty, monograde medium ash engine oil formulated from highly refined mineral base oils. It may be recommended for use in a wide variety of engines and transmissions. It particularly suits fleet operators who favour monograde oils and where a common oil is preferred for engine and powershift transmissions.