1988-02-01

New Gear Lubricant Technology Using a Solid Lubricant Dispersion 880609

A new “beyond GL-5” gear lubricant technology has been developed which combines soluble additives with a dispersed borate solid lubricant. The L-37 and L-42 axle tests as well as laboratory bench tests show a strong synergistic effect between the solid lubricant and the soluble additives. The new technology shows improvements over conventional chemistry in antiwear performance, seal compatibility, and oxidative/ thermal stability. These improvements were demonstrated in over 17 million field test miles in axles and transmissions of Class 8 trucks.

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