Advantages:

Trucks work hard in tough conditions and irrespective of the truck you own, new or old, the engine in your truck is always under threat. There is a destructive cycle in the engine that can damage critical parts. Heat, deposits, and wear; 3 threats linked together, an increase in one can increase all and over time could lead to severe engine damage.
Increased heat in the engine can cause oil to break down and result in an increase of oil thickening and deposit formation; this accumulation of deposits in the oil or on metal surfaces can lead to abrasive or corrosive wear in engine. This abrasive wear increases friction and heat within the engine and the destructive cycle is formed.