Alpha Premium TO-4 Fluid

Alpha Premium TO-4 Fluid is a heavy-duty off-road equipment transmission fluid. It is designed to be used in transmissions, differentials, and final drives of Caterpillar equipment.

Please allow 2 weeks for delivery

Alpha Premium TO-4 Fluid

Alpha Premium TO-4 fluid was formulated to meet the requirements of Caterpillar TO-4 and Allison C-4 specification for transmissions, final drives, and hydraulic systems. It is formulated with highly refined base oils and heavy-duty additives to ensure outstanding performance and protection. Alpha Premium TO-4 Fluid will deliver smoother clutch control as well as eliminate brake chatter. Blended with specialized additives to reduce oxidation, wear, operating temperature and corrosion. Contains our Alpha Performance Booster.


Product Benefits:

  • Superior gear protection under extreme conditions
  • Extends life of all components
  • Eliminates brake slippage even under heavy loads and steep inclines
  • Provides excellent oxidation stability and resistance to foaming
  • Proven to maintain viscosity and other properties during long drain intervals
  • Contains Alpha Performance Booster

Exceeds Specifications of:

  • Caterpillar TO-4
  • Allison C-4
  • ZF TE-ML 03
  • Komatsu Micro-Clutch
  • Komatsu Dresser
  • Eaton


Typical Technical Properties:

SAE Grade 30
Viscosity at 100℃ cSt (ASTM 445) 11.5
Viscosity at 40℃ cSt (ASTM 445) 100
Viscosity Index (ASTM 2270) 112
Pour Point ℃(℉) (ASTM D97) -30(-22)
Flash Point ℃(℉) (ASTM D97) 230(445)
Copper Corrosion (ASTM D130) 1a
Foaming Test Pass


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