Skydrol® LD4 1USQ is a high-performance hydraulic fluid formulated to meet the stringent requirements of the aerospace industry. Your aircraft's hydraulic systems deserve the highest quality hydraulic fluid and any products that offer reduced weight are always preferred. This hydraulic fluid boosts performance while reducing weight. Whether you're an aviation professional, maintenance engineer, or aircraft enthusiast, Skydrol LD4 will deliver exceptional stability, corrosion resistance, and compatibility with a wide range of materials. Skydrol LD4 is the ideal choice for critical hydraulic systems in commercial and military aircraft and has been in use since 1978. Enjoy this one US Quart tin of Skydrol LD-4 as a part of routine maintenance. Stock up or purchase one today to try on your aircraft.

Key Features:

Legislation Compliant

Skydrol LD4 adheres to the strict specifications of MIL-PRF-83282D, ensuring that it meets the highest standards for aviation hydraulic fluids.

Exceptional Performance

This hydraulic fluid delivers exceptional performance in a wide range of operating conditions, from extreme temperatures to high-pressure situations.

Corrosion Resistance

Skydrol LD4 Mil Spec provides excellent corrosion protection for hydraulic components, extending their lifespan and minimising maintenance costs.

Material Compatibility

It is compatible with a variety of metals, elastomers, and other materials commonly used in aerospace systems, reducing the risk of damage to system components.

Low Density

The low density formulation of Skydrol LD4 Mil Spec helps to reduce the overall weight of the aircraft, contributing to improved fuel efficiency and performance.

Extended Fluid Life

This hydraulic fluid has an extended fluid life, reducing the frequency of fluid changes and associated maintenance costs.

Material Safety & Technical Data Sheets