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Transmission Fluid 30W

PSC offers 30W Transmission Fluid that is for use in the following applications:

  • Heavy-duty automatic transmissions where the OEM specifies an Allison C-4 quality fluid.
  • Heavy-duty manual and semi-automatic transmissions in trucks and buses where the OEM specifies a Caterpillar TO-4 quality fluid or a heavy-duty engine oil.
  • Powershift transmissions, hydrostatic transmissions, torque converters, final drives and hydraulic systems of Caterpillar, Euclid, Komatsu and other off-highway construction and mining equipment.
Select a Product Category Below
  • Phillips 66 HT/4 Fluid 30

  • Sunoco TO-4 Transfluid 30