10W30 HYD OIL | MULTI-VISCOSITY AW 10W30 HYDRAULIC FLUID Universal oil for tractors. Description. 10W30 Universal Tractor Oil is a universal multi-grade oil for engines, transmissions, wet brakes and hydraulic systems of tractors. 55 Gallon Drum - Free Delivery Call: 1-855-405-6789 Previous articleNext article