Mixing GL-4 with other gear oil types is usually not recommended, as it can compromise the carefully balanced additive chemistry. This grade is generally compatible with all spiral-bevel gear designs utilizing semi-fluid or fluid gear lubricants.
Understanding API GL-4 Gear Oil for Drive Axle Applications
Decoding the GL-4 Specification The American Petroleum Institute (API) establishes the standards that define GL-4 as a distinct category within the gear oil hierarchy. It is specifically formulated to work efficiently at the lower speeds and higher pressures typical of rear axle applications, distinguishing it from the extreme pressure capabilities of GL-5.
6% active sulfurized compounds, which are crucial for preventing scuffing and micro-pitting during the initial磨合 phase of new gears. Furthermore, the oxidation stability of these lubricants helps prevent the formation of harmful sludge and varnish, ensuring consistent viscosity over extended drain intervals.
API GL-4 Gear Oil for Drive Axle Applications and Compatibility
Ignoring these symptoms can lead to catastrophic failure of the differential, resulting in costly repairs. Performance Characteristics and Benefits The primary function of API GL-4 is to minimize friction and wear while absorbing shock loads.
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