Texaco HDAX 9500 SAE 40 a high performance extended drain gas engine oil, developed to help customers achieve a longer engine life. Texaco HDAX 9500 SAE 40 is specifically designed for landfill, biogas, digester gas and sour gas applications, and features a well-balanced formulation to provide extended oil drain intervals which help to reduce downtime ... The post Texaco Lubricants extended drain gas engine oil; Texaco HDAX 9500 SAE 40 appeared first on Offshore Technology.