Fuel and Lubricant Testing


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DOD-PRF-85734 - Synthetic Base Helicopter Transmission System Lubricating Oil


We perform lubricants quality testing by military specification DOD-PRF-85734, which covers a synthetic base helicopter transmission system lubricating oil. This lubricating oil is intended for use in helicopter transmissions and gearboxes for air, sea, and ground mobility equipment. These oils are designed for operation within the approximate bulk oil temperature range of -40 to 175 °C (-40 to 350 °F). This specification fulfills the military unique requirement for a high performance aviation transmission lubricant certified for use in the gearboxes and transmissions of all type/model/series helicopters designed to operate on a 5cS lubricant.

To read or download this specification, click HERE.

The following is a list of tests that are required by Specification DOD-PRF-85734. Some of these tests are customized for this exact specification. Alcor Petrolab and Phoenix Chemical Laboratory specialize in unusual and custom testing, and our testing capabilities are continuing to expand; to discuss the exact testing you need, contact one of our laboratories today. To learn more about one of these tests, click on the test method number.