Geartex LS 85W-90

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Geartex LS are high performance automotive gear lubricants formulated for use in limited slip differentials, and conform to API service designation GL-5.

High performance limited slip axle lubricants

Geartex ® LS are high performance automotive gear lubricants formulated for use in limited slip differentials, and conform to API service designation GL-5.

Geartex LS is available in SAE 85W-90 and SAE 85W-140 grades, and is formulated with a mineral oil base in combination with an effective additive package, formulated to contribute to reliable limited slip differential performance and protection.

Benefits

  • High performance friction modifier additive promotes smooth, noise free operation in limited slip differentials
  • Robust EP formulation helps prevent component scuffing and wear
  • Low temperature fluidity aids rapid lubricant circulation and wear protection during cold starts
  • Reliable shear stability promotes consistent viscosity and system protection throughout fluid lifetime

Applications

  • Geartex LS is specifically designed for use in automotive limited slip differential axles. The special friction modifier additive included in the formulation is approved by ZF for use in their limited slip systems
  • Geartex LS may also be used in equipment requiring a standard GL-5 gear lubricant: hypoid drive axles, steering systems, non-synchronized transmissions and transaxles
  • The friction characteristics of Geartex LS make it unsuitable for use in synchronized manual transmissions and transaxles, and it should not be used in these applications

Approvals

  • Viscosity grade SAE 85W-90 SAE 85W-140 X [2] ZF TE-ML 05C X [2] X [3] ZF TE-ML 16E X [2] ZF TE-ML 21C
  • Viscosity grade SAE 85W-90 SAE 85W-140 API GL-5 X X
  • Recommendations SAE 85W-90 SAE 85W-140 Viscosity grade ZF TE-ML 05C X [4] X [5] X [5] ZF TE-ML 12C ZF TE-ML 16E — —

Typical test data

Test Test methods Results
Viscosity Grade SAE 85W-90
Shelf Life: 12 months from date of filling indicated on the product label.
Density, 15 °C, kg/l ASTM D4053 0.867
Flash Point COC, °C ASTM D92 214
Pour Point, °C ASTM D5950 -30
Viscosity, Kinematic, 100 °C, mm 2 /s ASTM D445 16.8
Viscosity, Kinematic, 40 °C, mm 2/ s ASTM D445 173
Viscosity Index ASTM D2270 103
Viscosity, Brookfield, -12°C, mPa.s ASTM D2983 16,000
Viscosity, Brookfield, -26°C, mPa.s ASTM D2983 —

Source: PDS 20 December 2023 · Product Data Sheet

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