Bobcat Full Synthetic SAE 5W-40 Engine Oil is a multi-grade, all-season fluid. This lubricant contains improved antioxidants that boost stability and reduce engine deposits and is available in 3 sizes.  Bobcat Hydraulic/Hydrostatic Fluid is a unique fluid, custom blended with the finest base oils and additives to meet Bobcat Engineering's stringent specification's for quality and reliability. It is the same premium fluid as factory fill.