Skydrol LD-4
The world’s best-selling Type IV aviation hydraulic fluid, SkydrolLD-4, features low density, valve erosion prevention, and depositcontrol. Erosion resistance is made possible by a breakthroughanti-erosion additive and acid scavenger found in the formulation.For more than 35 years, there has been no change in theformulation, giving LD-4 the reputation as the premier aviationhydraulic Type IV fluid.
