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80W-90 GL-4

Koyoto series of lubricants are high performance heavy duty gear oils, formulated from high quality base oils and an advanced additive system. These lubricants are designed for automotive heavy-duty transmissions, axles and final drives. Moreover these oils are engineered to work efficiently in transmissions where protection against wear and scoring is required and high level of oil film protection is desired.

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Koyoto series of lubricants are high performance heavy duty gear oils, formulated from high quality base oils and an advanced additive system. These lubricants are designed for automotive heavy-duty transmissions, axles and final drives. Moreover these oils are engineered to work efficiently in transmissions where protection against wear and scoring is required and high level of oil film protection is desired.

Features & Benefits

  • Good thermal & oxidation stability protects against deposit formation and oil thickening, thus maintains the life and performance of lubricant and transmission.
  • Enhanced anti-wear properties and outstanding film strength provides exceptional equipment protection, that not only results in fewer breakdowns but also helps improve transmission efficiency.
  • Excellent rust and corrosion protection for longer component life.
  • Compatibility with seals and gaskets, leads to minimize oil leakage and reduced contamination.

Applications

Koyoto series are suitable for use in all Passenger cars, on highway light and heavy duty trucks, and commercial vehicles.

  • Suitable for Heavy duty manual transmissions, axles and final drives requiring API GL-4 level performance.
  • Applications like Off-highway industries including: construction, mining, quarrying, and agriculture.

Characteristics

Specifications Koyoto series meets or exceeds following International and Builder specifications:

  • API GL-4
  • MIL-L-2105 (U.S Military Specification)

Typical Characteristics

Koyoto Test Method Units 90 140 80W90 85W90 85W140
Density @ 15 0C ASTM D 4052 gm/cc 0.890 0.910 0.888 0.890 0.908
Viscosity @ 40 0C ASTM D 445 cSt 145 447 146 190 356
Viscosity @ 100 0C ASTM D 445 cSt 14.3 30.0 14.7 17.4 25.6
Viscosity Index ASTM D 2270 – 96 95 100 97 95
Pour Point ASTM D 97 °C -12 -9 -24 -24 -15
Flash Point (COC) ASTM D 92 °C 240 260 230 236 248
Copper Strip Corrosion ASTM D 130 – 1B 1B 1B 1B 1B
Foam Seq I,II,III ASTM D 892 ml/ml 10/0 20/0 10/0 10/0 20/0
Phosphorus ASTM D 4951 %wt 0.026 0.026 0.026 0.026 0.026

The above figures are typical of blends with normal production tolerance and do not constitute a specification.

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