Castrol RX Mono 30 is a heavy duty monograde medium ash engine oil formulated from highly refined mineral base
oils

Castrol RX Mono 30 contains modern additives designed to provide excellent engine protection in a wide selection of
petrol and diesel engines operating under varying climatic conditions, driving methods and engine loads, where
lubricants of this quality are recommended by the OEM.
Some engine manufacturers, Gardner and International (tractors), prefer monograde engine oils. Many others allow
monograde engine oils under suitable ambient conditions. Castrol RX Mono 30 is a versatile heavy duty engine oil that
can be used where monograde API CF, SG engine oils are recommended. It is also recommended for transmissions
where an SAE 30 monograde engine oil is specified.

Castrol RX Mono 30 may be recommended for use in a wide variety of engines and transmissions. Castrol RX Mono 30
particularly suits fleet operators who favour monograde engine oils where common oil is preferred for engine and
powershift transmissions.

All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to
avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed
to hot sun or freezing conditions