GL-3 Grade is a gear oil for manual gearboxes and for helical and spiral gearboxes. Grades: GL3 68, GL3 100, GL3 220, GL3 320, GL3 680. API 1560 lists GL-3 as an inactive designation, originally for manual transmissions under moderate to severe conditions and spiral-bevel axles under mild to moderate conditions; it is not intended for hypoid axles.
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Grades & published data
Typical values from the product data sheet, each with its test method.
Overview
GL-3 Grade is a gear oil for manual gearboxes and for helical and spiral gearboxes. Grades: GL3 68, GL3 100, GL3 220, GL3 320, GL3 680. API 1560 lists GL-3 as an inactive designation, originally for manual transmissions under moderate to severe conditions and spiral-bevel axles under mild to moderate conditions; it is not intended for hypoid axles.
Every grade has its own row in the specification table, with viscosity at 100 °C, viscosity index, flash point, pour point and density.
Application
Gearboxes whose documentation specifies a GL-3 oil.
Application
Enclosed helical and spiral gear units, as listed in the product's source documentation.
Feature
GL3 68: KV100 9 cSt, VI 95, pour point -27 °C, flash point 210 °C; GL3 100: KV100 11 cSt, VI 95, pour point -27 °C, flash point 218 °C; GL3 220: KV100 18 cSt, VI 95, pour point -21 °C, flash point 230 °C; GL3 320: KV100 25 cSt, VI 95, pour point -15 °C, flash point 230 °C; GL3 680: KV100 41 cSt, VI 95, pour point -9 °C, flash point 240 °C.
Order the grade that matches the viscosity and API designation in the gearbox or axle manual. Each grade's values are listed separately in the specification table.
Next step
The range above is what we publish. Formulation to a customer brief is a route of its own, and a sample is the first stage of it.
