PowerDrive®Synthetic Arctic TO-4 Fluid

Synthetic Multigrade Caterpillar TO-4 Fluid for Arctic Climates

Phillips 66 PowerDrive Synthetic Arctic TO-4 Fluid is a premium quality, synthetic, multigrade fluid specially developed for use in off-highway equipment operating in arctic climates where a fluid meeting Caterpillar TO-4 performance requirements is specified. It is a multi-functional fluid for use in transmissions, final drives, hydraulic systems and wet brakes. It is not for use in engines.

Features & Benefits

  • Synthetic formulation for enhanced performance in arctic temperatures
  • Well-balanced frictional properties for smooth and efficient clutch operation
  • Outstanding oxidation resistance and thermal stability for long fluid life
  • High load-carrying capacity for protection of final drive gear sets
  • Excellent deposit control and wear protection
  • Protects yellow metals against corrosion
  • High shear stability
  • Compatible with a wide variety of seals and friction materials
  • Excellent low-temperature properties for easier starting at low ambient temperatures
  • Good foam resistance


  • Powershift transmissions, hydrostatic transmissions, torque converters, final drives and hydraulic systems of Caterpillar, Euclid, Komatsu and other off-highway construction and mining equipment operating in arctic climates

CAUTION: Refer to the OEM recommendations for recommended temperature ranges.

Technical Details

Licenses & Approvals

PowerDrive Synthetic Arctic TO-4 Fluid meets or exceeds the requirements of:

  • Caterpillar TO-4
Additional Details
SAE Grade0W-20
Specific Gravity @ 60°F0.851
Density, lbs/gal @ 60°F7.09
Color, ASTM D15002
Flash Point (COC), °C (°F)260 (500)
Pour Point, °C (°F)-53 (-63)
Viscosity, Brookfield
cP @ -40°C12700
Viscosity, Kinematic
cSt @ 40°C40.5
cSt @ 100°C7.9
Viscosity Index171
Total Base Number (TBN), ASTM D28967.6
Zinc, wt %0.11