SAE 140 : It is a superior gear oil produced from high quality base oils.
API GL-4: In hypoid gears operating under heavy service conditions without shock loading.
SAE 140 API GL-4 INDUSTRIAL GEAL OIL
The formula and manufacturing technique of the engine oil, which is produced by going through various reactions of multiple raw materials, can be found in the prepared pdf file.
* Process additive detailed list.
* Process temperatures and additive amounts.
* Processing time, detailed details.