D SIG D H X M I D S I L PPLIC I S ALLEGHENY PETROLEUM Reducing Equipment Downtime. Allegheny's Altra SHL gear oil series features a unique performance polymer that reduces operating temperature to better protect your equipment by: * Increasing oil life * Ensuring durability * Maintaining cleanliness * Providing better bearing protection * Delivering extreme pressure protection * Protecting seals 9http://www.oils.com http://www.oils.com