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Royco® LGF is a yellow-color landing gear fluid that meets BMS-3-32 Type 2 specifications.
Royco® LGF (YELLOW) is a hydraulic fluid formulated to improve landing gear performance with excellent low-temperature and extreme-pressure operability.
Royco® LGF (Landing Gear Fluid) greases aircraft landing gear systems, including shock struts, using a mineral oil base with additive technology. Approvals for this LGF include Boeing BMS-3-32 Type 2 specifications and MIL-SPEC MIL-H-5606, allowing use in most current models of wide-body aircraft and delivering excellent lubricity for anti-wear and low-temperature operation. The yellow (straw) coloring of Royco® LGF is the Boeing-specified color.
Kinematic viscosity, cSt
@ 40°C: 14.5
@−40°C: 423
@−54°C: 1,780
Flash point, (°C): 110
Density (@ 15.6°C): 7.323
Zinc content, ppm: 1,700
Primary Chemistry:
Mineral Oil
Damage to landing gear struts from inferior lubricating hydraulic fluid
Poor fluid lubricant protection or anti-wear performance for landing gears
Royco® LGF (Yellow) can be used in a wide range of aviation applications, including those with specification callouts for the following:
BMS-3-32 Type 1 and 2 (Boeing specification)
MIL-H-5606
EAR99 (ECCN/USML)
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