The premier choice for the final drives and axles of Caterpillar off-highway equipment, especially those operating under severe conditions.

• Meets Caterpillar FD-1 (SAE 60) lubricant specifications for Caterpillar final drives and axles
• Protects gears and bearings against wear in severe duty applications
• Improves extreme-pressure (EP) performance when compared to TO-4 fluids
• Extends drain intervals up to 4,000 hours for off-highway truck final drive and rear axles compared with a 2,000-hour drain interval typically recommended for TO-4 fluids
• Not for use in compartments containing friction material unless an FD-1-type product is specified