Goldenstone® NGEO 40 natural gas engine oil is formulated from Group II base oils blended with latest generation additive package that provides exceptional oxidation stability, nitration resistance and thermal stability.

Goldenstone® NGEO 40 oil is a high quality gas engine oil with extended drain performance. The product is designated for lubrication of modern medium to high speed four-stroke stationary gas engines burning natural gas and biogas. It is formulated to meet the NSCR (non-selective catalytic reduction) catalyst compatibility requirements.


• Low piston deposit and sludge formation
• Excellent protection of valve train components
• Reduce level of combustion chamber ash
• Extended oil life