Atlas Copco GA-4K-05 Rotary Air Compressor Oil

GA-4K-05 Atlas Copco Rotary Air Compressor Oil is a five-gallon, semi-synthetic lubricant formulated for Atlas Copco GA-series oil-injected rotary screw compressors. Marketed with a 4,000-hour service interval, this oil is designed to extend drain cycles while protecting compressor components through its balanced additive package. Packaged in a 5 gallon (approximately 19 L) pail, the product carries the GA-4K-05 designation and is intended for use with Atlas Copco GA4K-05 configurations and other GA-series units that specify a semi-synthetic lubricant. Use of this oil supports lubrication and cooling of the compression cavities, helping maintain reliable operation of Atlas Copco screw compressors across typical industrial workloads.