AVIATION INTERNATIONAL CONNECTIONS

Hartzell Engine Tech ES4000 Series Alternators

Overview
Ford Style – FAA/PMA Approved Part numbers with LS indicate pulley is not included.
Light Weight
High power density
Extensive use on UAV Applications
As the OEM, Hartzell Engine Tech offers factory new alternators engineered specifically to meet the challenges and increased demands of today’s aircraft electrical systems. Each unit is aviation designed & developed, no automotive parts used. For decades these alternators have been powering Lycoming/ Continental engines with unmatched performance and reliability.

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Estimated delivery dates: Oct 7, 2026 – Oct 9, 2026

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Description

Note: Plane-Power alternator only products do not include the required mounting hardware. First time installers must purchase Plane-Power alternator kit.

An alternative to high-priced, marginally-performing, rebuilt used replacement aircraft alternators.

Plane-Power alternators are the product of years of research, development and intensive testing. Each component has been engineered, developed, tested and re-tested exclusively for use in general aviation aircraft. As a result of these efforts, Plane Power alternators offer significant improvements over legacy aircraft alternator offerings including:

    • Generate substantially higher power at lower engine RPMs
    • Generate significantly less heat while producing rated power
    • Generate rated power at typical aircraft cruise RPMS
    • Vastly improved balancing drastically reduces bracket failure
    • Greater reliability for significantly increased service life
    • Weigh up to four pounds less

Plane-Power alternators are FAA PMA certified to replace the vast majority of popular general aviation alternators. Plane-Power also manufactures an alternator kit for experimental aircraft applications that comes complete with required brackets, spacers, internal cooling, voltage regulation (choice of internal or external), and over-voltage protection. Plane-Power alternators are warrantied for 2-years against component failures.

Additional information

Q & A

Q: What is the difference between ES4000 and ES4000LS alternators? Per the manufacturer, ES4000LS is without the pulley, ES4000 is with the pulley.

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