Delo TorqForce Syn FD-1 is formulated for use in CAT off-highway trucks and D11R carry dozer front wheels, differentials and final drive where gear and bearing loads and temperatures are high. It is not suitable where a common sump is used for lubricating final drive gears, and immersed brakes or clutches. Delo TorqForce Syn FD-1 meets or exceeds the Caterpillar FD-1 specification.