Hydraulic fluids

Engineered for today's aviation needs

Our Exxon HyJet™ branded hydraulic fluids are widely acknowledged as offering top performance compared to alternative hydraulic fluids. These fire-resistant phosphate esters are designed for use in commercial aircraft, providing power conveyance, heat transfer protection, and lubrication and protection against wear and corrosion.

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Hyjet V

HyJet V hydraulic fluid is superior in thermal and hydrolytic stability to commercially available Type IV hydraulic fluids — which can mean less fluid degradation and longer in-service fluid life.

Hyjet IV-A plus

HyJet IV-Aplus hydraulic fluid provides superior high-temperature stability, rust protection and density compared to all other Type IV hydraulic fluids.

Mobil Aero HF Series

Mobil Aero HFA and HF are hydrocarbon-based hydraulic fluids with excellent low-temperature properties, good anti-wear performance and good chemical stability.