BLACK BEAR TRAN TO-4 OILS

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OVERVIEW 

BLACK BEAR TRAN TO-4 OILS are premium quality lubricants specially formulated to meet both Caterpillar TO-4 and Allison C-4 (SAE 10W and 30 viscosity grades) requirements. These fluids are designed for use in power-shift transmissions, final drives, hydrostatic transmissions, torque converters and hydraulic systems of Caterpillar equipment. BLACK BEAR TRAN TO-4 OILS provide substantially improved friction and antiwear performance compared with older API CD/TO-2 fluids.

FEATURES & BENEFITS 

Lower viscosities offer good low temperature pumpability reducing time from start-up to production. Advantage TO-4 Transmission Fluids have a balanced static and dynamic friction coefficients which optimize clutch-friction retention and slippage control.
Significant improved clutch life compared to the best API CD/TO-2 engine oils. Increased levels of anti-wear and load carrying capabilities resulting in reduced gear wear and extended life in transmissions. Excellent form control protection, thermal and oxidation stability resulting in top performance in wet brakes, excellent control of brake chatter, outstanding hydraulic oil stability and protection against high-pressure pump wear .

APPLICATIONS 

 Powershift transmissions, hydrostatic transmissions, torque converters, final drives and hydraulic systems of Caterpillar and other off-highway construction and mining equipment Heavy-duty commercial automatic and manual transmission where Allison C-4 or Caterpillar TO-4 fluid is specified.

TYPICAL PROPERTIES 
PRODUCT CODES507250925112
SAE Grade10W30W 50W
Viscosity, cSt @ 100 °C 5.7 11.0 20.0
Viscosity, cSt @ 40 °C 34.2 98.2 235.0
Viscosity Index 100 96 99
Viscosity, cP @ -20 °C 2500
Flash Point, °C 225 2326 280
Pour Point, °C -29 -23 -10
Copper Corrosion 1A1A1A
Foam Test PassPassPass
Total Base Number 7.8 7.8 7.8
Zinc, wt % 0.129 0.129 0.129
Sulfated Ash, wt % 1.24 1.24 1.24
Density, g/cm3 at 15°C .876 .896 .900
Calcium, %wt .3050 .3050 .3050