MOBILGEAR 600 XP 220 Gear Oil Mobilgear 600 XP 220 Descriptions MOBILGEAR 600 XP 220 is extra high performance gear oil that has outstanding extreme pressure characteristics and load-carrying properties, intended for use in all types of enclosed gear drives with circulation or splash lubrication systems. MOBILGEAR 600 XP 220 is designed to stay ahead of the changing needs of gearbox technology. Gearbox technology design trends are towards smaller units with similar power throughout. This increase in power density places increased demands on gear oils. MOBILGEAR 600 XP 220 is formulated to meet the stress by providing extra protection for gears.