I-30 Oil For The Rt-301 Machine. Industrial Oil I-30A, Gost: 20799-88, Used To Lubricate Friction Nodes, Hydraulic Systems And Gearboxes Of The Rt-301 Asacial Machine. Provides Protection Of Parts From Wear, Corrosion And Overheating At Medium And High Loads, Kinematic Viscosity: 41–49 Mm²/S At 40 ° C