Axles, differentials, final drives, and other gear sets utilized in stationary or mobile equipment applications necessitate specific lubricants tailored to withstand heavy load, high speed, and shock-loading. The inherent sliding and rolling forces demand unique attributes in a lubricant. These attributes are associated with the construction designs of different types of gear sets and their relevant operational function such as, high slide angles found in high off-set hypoid (ring and pinion) gears.

Gear lubricants exhibit notable differences, particularly in the additive technology employed often suitable for some or certain scenarios only.