Castrol RX Diesel 20W-50 is designed for use in naturally aspirated diesel engine vehicles. It is also suitable for tractors and other agricultural equipment

Advantages:

Fuel combustion produces acid in the engine. This acid can corrode vital parts and reduce engine performance. Castrol RX Diesel 20W-50 protects against these acids -30% more protection vs. similar oils, confirmed by independent laboratories – preventing power loss and keeping the engine at peak performance
User benefits include:
-Maintained engine power
-Enhanced wear protection at start up
-Longer oil life. Reduced oil consumption in older engines
-Smooth driving