Skydrol LD-4 was introduced in 1977 and is well known around the world. Skydrol LD-4 features low density, excellent thermal stability, valve erosion prevention, and deposit control.
Features & Benefits
Trusted - World's best-selling Type IV aviation hydraulic fluid.
Erosion-resistant - A breakthrough product introduced in 1978, solving previous problems of valve erosion and thermal stability.
Excellent reliability and performance - Its overall performance under real-world conditions has given LD-4 the reputation as the premier aviation hydraulic fluid, with no change in formulation for over 35 years since its inception.
Airbus (excluding A350) Antonov (An-148 and 158) ATR
*This list is for general reference only and may not be entirely acurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.