Which statement is true about the lubrication needs of differentials in various driving conditions?

Differentials play a critical role in the efficient operation of a vehicle's drivetrain. They allow for the differential rotation of wheels, which is particularly important when turning, as the outer wheels need to travel a greater distance than the inner wheels. The lubrication of differentials is essential for maintaining smooth operation, reducing friction, and preventing wear.

Specialized lubrication is necessary for differentials due to the specific operating conditions they encounter, such as varying loads, temperatures, and speeds. Differential lubricants are designed to provide the right level of viscosity, film strength, and protection against extreme pressure and wear. These lubricants often contain additives to prevent foaming, oxidation, and corrosion, which can be critical under heavy load or stress conditions.

While synthetic lubricants offer benefits such as improved thermal stability and longer service intervals, the key point is that differentials require lubrication that meets specific standards for their function. Hence, the statement emphasizing that differentials require specialized lubrication is accurate and reflects the need for tailored oil formulations to ensure optimal performance across varying driving conditions.