For 1964, the Dynaflow-based Turbine Drive was replaced by two new automatic transmissions, the two-speed Super Turbine 300 and the three-speed Super Turbine 400.
1964 metais Dynaflow buvo pakeista į dvi naujas automatines transmisijas, į 2-pavarų Super Turbine 300 ir 3-pavarų Super Turbine 400.