Oil Cooler Fan Shrouds

Engine & Transmission oil is designed to offer optimal performance within a certain temperature window, outside of these temperature ranges oil can begin to break down which can begin to harm the internal components rather than protecting them!

Too hot and the long molecular chains in the oil can break down reducing its hydrodynamic film strength, couple this with the lower viscosity of hot oil and you then run the risk of metal to metal contact between bearings, bushings and other components that you do not want to come into contact with each other! Prolonged running at high temperatures can also exponentially increase the rate that oil oxidises resulting in unwanted chemicals such as aldehydes, ketones, hydroperoxides and carboxylic acids, thankfully an early indicator of thermal failure and oxidation can be identified by a colour change in the oil.

Too cold and the oil never gets hot enough to burn out any condensation that has formed when the engine is not in use, for example much like how oil film strength can be effected by too high a temperature the same reduction in strength can happen for oil with too high a percentage of water ingress. Some additives in oil can hydrolyse by water, resulting in the formation of acidic by-products, these can cause corrosive wear on softer materials such as Babbitt, bronze, and brass which are typically used for journal bearings, guides and thrust washers.

It is important that our Engine & Transmission oil is kept within its optimum thermal window to allow it to work at its most efficient. We have designed, fabricated and sourced a range of products that can help stabilise your oil temperatures under extreme uses.

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