Phillips 66® Syncon WTL is a state-of-the-art, synthetic, extreme-pressure (EP) gear lubricant specifically developed for the lubrication of heavily loaded gears and rolling-element bearings in gearboxes on older and new-generation wind turbine generators.


Features & Benefits

  • Outstanding performance in wind turbine generator gearboxes
  • Outstanding oxidation resistance and thermal stability at high temperatures
  • Very high load-carrying capacity for protection against scuffing and wear
  • Excellent protection against micropitting
  • Protects against rust and corrosion
  • Non-chlorinated additive system
  • Outstanding low-temperature properties
  • High viscosity index and low pour point for year-round use


  • Gear drives of wind turbine generators
  • Enclosed industrial gear drives operating under severe-service conditions, such as heavy loads or high operating temperatures, or in extreme temperature environments
  • Applications where the equipment manufacturer specifies a synthetic AGMA 6 EP gear oil (obsolete) or ISO 320 AS gear oil (new)

Technical Details

  • ISO Grade: 320
  • Licenses & Approvals

    Syncon WTL meets or exceeds the requirements of the following industry specifications:#ANSI/AGMA Standard 9005-F16, Anti-Scuff Lubricants (AS)#ANSI/AGMA/AWEA 6006-A03#DIN 51517 Part 3, Lubricating Oils, Type CLP#SO 12925-1, Type CKD# Syncon WTL is listed on the latest Flender T7300 approved lubricants list (02/2017) and is approved against Revision 15 of the Flender specification.

    Additional Details

    ISO Grade 320
    AGMA Grade (obsolete), AGMA 9005-E02 6 EP
    AGMA Classification, AGMA 9005-F16 AS
    Specific Gravity @ 60°F 0.862
    Density, lbs/gal @ 60°F 7.18
    Color, ASTM D1500 1.5
    Flash Point (COC), °C (°F), ASTM D92 246 (475)
    Pour Point, °C (°F), ASTM D97 -45 (-49)
    cSt @ 40°C 320
    cSt @ 100°C 34.9
    Viscosity Index, ASTM D2270 152
    Acid Number, ASTM D974, mg KOH/g 0.83
    Copper Corrosion, ASTM D130, 48 hrs @ 80°C 1a
    Four-Ball EP, ASTM D2783, Weld Load, kgf 250
    Four-Ball Wear Test, ASTM D4172, Scar Diameter, mm 0.35
    FZG Micropitting Test, FVA 54/11 @ 90°C
    Fail Stage >10
    Classification High
    FZG Scuffing Test, ASTM D5182, Failure Load Stage >14
    Rust Test, ASTM D666 A&B Pass
    Timken OK Load, ASTM D2782, lb 95