Recommended Fluid
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1983 Ford Ranger, 1983 Ford RV Cutaway, 1983 Ford Pickup, 1983 Ford Econoline, and 1983 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Warner T19B transmissions use SAE 30 or SAE 50 engine oil, depending upon ambient air temperatures. If vehicle will be operated at temperatures below 0°F (-18°C), SAE 30 should be used. SAE 50 should be used if temperatures are consistently above 0°F (-18°C). Use Type "F" automatic transmission fluid in all transaxles.
In all other transmissions, use SAE 80W or SAE 90W multipurpose gear lubricant of API GL-5 quality.