McDonnell Douglas Specification
DPM 314 APPLICATIONS
ROYCO 586 is recommended for lubrication of gears in high tooth load applications. Grade L is intended for use in low temperature environs and Grade M is intended for use in moderate to warm climates.
ROYCO 586 is particularly suitable for the lubrication helicopter gearboxes as well as general-purpose industrial applications requiring an E.P. lubricant for heavily loaded gears.