Can you use regular oil in a transmission?
Can you use regular oil in a transmission? The motor oil is designed to function in the engine while the transmission fluid is meant for your steering and gear system. These two fluids have certain similarities, but can I use motor oil for transmission fluid? The simple answer is No. Don't attempt that. What kind of oil do you use for transmission? AMSOIL has secondary recommendations of AMSOIL Severe Gear 75W-110 for the transmission and Severe Gear 75W-140 for the primary, but the company themselves will tell you that there is absolutely no upside to using gear oil in these...