Citgo Pacemaker HV-39 [55.00-gal./208.20-Liter. Drum] 634104001001 [Motors] Motor Oil - 179496 and SAE 10W-30 viscosities continuously

and SAE 10W-30 viscosities continuously helps prevent dirt and contaminants from turning into performance robbing deposits

Mobil 1 15W-50 is a winning

Mobil Jet Oil 254 also exhibits excellent bulk oil stability at temperatures up to 232 ºC (450 ºF) for extended periods

High temperature stability — Contains an effective oxidation inhibitor to protect the oil at elevated ambient operating temperatures

Citgo Pacemaker HV-39 [55.00-gal./208.20-Liter. Drum] 634104001001 [Motors] Motor Oil - 179496 and SAE 10W-30 viscosities continuouslyMSDS PDS CITGO Pacemaker HV Oils are high quality petroleum fluids with high boiling range and low vapor pressure, designed especially for use in high vacuum pump applications where a high quality mineral oil is required. Features High initial boiling points and low vapor pressures. Produced with special processes and quality assurance procedures to help ensure excellent vacuum pump performance. Inherently high oxidation resistance, thermal stability,