What kind of oil for transfer case?

For most transfer cases, a specific type of gear oil or ATF (automatic Transmission Fluid) is recommended, depending on the vehicle's make and model. Common options include 75W-90 gear oil or specialized transfer case fluid. Always refer to the owner’s manual for the manufacturer’s specifications to ensure you use the correct type for optimal performance and protection. Using the right oil helps maintain the transfer case's functionality and longevity.