Hydraulic Oil


TO-4 Hydraulic Fluid

TO-4 Hydraulic Fluid is a fully formulated transmission fluid designed to provide superior wear and oxidation protection in power transmission and hydraulic systems.

TO-4 Hydraulic Fluid is recommended for heavy-duty on-highway and off-highway service requiring Allison C-4 or Caterpillar powershift transmissions, final drives, hydrostatic transmissions, torque converters, hydraulics and systems requiring TO-4 specified oils. It also meets the requirements of Komatsu, Dresser and Eaton Transmissions.

Packaging available:
  • Pails
  • Drums
  • Totes
  • Bulk deliveries (100-6800 gallons)

As a wholesale supplier of packaged and bulk TO-4 Fluid, Coolants Plus offer all major brands, including our cost savings STARFIRE brand.

STARFIRE TO-4 Fluids provide superior wear and oxidation protection in power transmission and hydraulic systems and offer a significant savings over major branded products.


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