Phillips 66® PowerDrive Fluid is a high-performance multifunctional fluid developed
for use in transmissions, final drives and hydraulic systems of off-highway equipment
where a fluid meeting Caterpillar TO-4 performance requirements is specified. The
SAE 10W and 30 viscosity grades also are recommended for use in Allison off-highway
heavy-duty automatic transmissions where a C-4 quality fluid is specified.