Eastman - 2389 Turbine Engine Oil - MIL-PRF-7808L



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  • Eastman (Formerly Air BP) Turbo Oil 2389 is a 3 cSt synthetic lubricant.
  • Eastman (Formerly Air BP) Turbo Oil 2389 is approved against US military specification MIL-PRF-7808L grade 3 and incorporates a level of technology from Type II (5 cSt) commercial turbine lubricants.

Applications & Approvals

  • This lubricant combines the thermal and oxidation stability of our commercial 5 cSt synthetic lubricant, Eastman (Formerly Air BP) Turbo Oil 2380, with the ability to flow at extremely low environmental temperature. In addition, it has gear-carrying ability equal to or better than other approved MILPRF-7808L Grade 3 oils.

  • Eastman (Formerly Air BP) Turbo Oil 2389 thus affords the military operator the lower viscosity advantage of MIL-PRF-7808L Grade 3 oils while providing the higher quality advantages of the Type II commercial oils, especially with respect to better thermal and oxidation stability. 

  • Eastman (Formerly Air BP) Turbo Oil 2389 has been approved by a wide range of engine and accessory manufacturers for their applicable equipment, including: Rolls-Royce Ltd, Rolls-Royce Allison, GE, Pratt & Whitney, Pratt & Whitney Canada, Honeywell, Hamilton Sundstrand, CFMI, MTU, Solar and Turbomeca.

Please contact our local representatives shown in the Air BP website for approval details.

Features & Benefits

  • A major advantage of BP Turbo Oil 2389 is its ability to limit the formation of vapor phase deposits  
  • Eastman (Formerly Air BP) Turbo Oil 2389 provides load carrying ability well in excess of requirements established by the engine and accessory manufacturers.
  • The superior low temperature viscosity of BP Turbo Oil 2389 makes it a better product for low temperature application. Many APU operators prefer to use 3 cSt oil, such as Eastman (Formerly Air BP) Turbo Oil 2389 for lubrication in order to improve its cold start reliability.