Axle Lubricant Capacity

a For axles subject to frequent trailer towing, particularly in a hot or hilly area, use SAE 75W- 140 High Performance Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A. For all other applications, use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
b For a complete refill on Model 60 axles equipped with a limited-slip differential, add 21 C.L. (7 ounces) of Additive Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A.
c For a complete refill on Model 70 axles equipped with a limited-slip differential, add 0.163 L (5.5 ounces) of Additive Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A.