Eastman Turbo Oil 2389 1USQ Can *MIL-PRF-7808L Grade 3

Eastman Turbo Oil 2389™ is a low-viscosity gas turbine oil, offering exceptional cold-start capability.
Many large commercial airlines use Turbo Oil 2389 in their auxiliary power units (APUs), because of the reliability it
affords this equipment when starting after long, cold soaks at altitude. Turbo Oil 2389 is the only MIL-PRF-7808
Grade 3 qualified oil that is fully approved in all Honeywell and UTC Aerospace Systems APUs. Turbo Oil 2389 is formulated from synthetic base stocks and advanced technology additives, to provide the combined thermal and
oxidation stability properties of commercial Type II lubricants, with the low-temperature fluidity characteristics of a
3 cSt oil. It also has a load-carrying ability equal to, or better than, other approved MIL-PRF-7808 Grade 3 oils.

One of the characteristic advantages of Eastman Turbo Oil 2389 is the minimum formation of varnish or sludge deposits. Long periods of severe operation are possible without the danger of scavenge pump screen plugging or the corrosion that often accompanies excessive deposits.

Eastman Turbo Oil 2389 has a high resistance to physical or chemical change resulting from oxidation. This permits long periods of severe operation without a significant increase in viscosity or total acidity, the two principal indicators of product oxidation.