ST500 series
Designed for demanding applications, the ST500 series turbine starter delivers powerful, maintenance-free performance with a 44 HP motor that requires no external lubrication. A steel insert at the air inlet ensures a secure, durable connection, while the smooth pre-engagement piston reduces ring gear wear for extended component life.
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With sealed, oil-lubricated planetary gears, this starter is built for long-term reliability in both air and natural gas environments. Its versatile design supports left- or right-hand rotation and offers 4 inlet, 4 exhaust, and 16 drive housing orientations for maximum installation flexibility. Compatible with a wide range of engines thanks to optional pinions and flanges, and operational across 30 to 150 psi (2.1 to 10.3 bar), this starter is engineered to perform—wherever and however you need it.
Features
Powerful performance
Equipped with a robust 44 HP turbine motor, this starter delivers strong, consistent starts without the need for external lubrication - ideal for demanding industrial environments.
Durability
Built to endure, the starter features a steel inlet insert for a secure, long-lasting connection and is fully sealed for use in harsh conditions with air or natural gas.
Smooth Engagement
A precision-engineered pre-engagement piston reduces ring gear wear, extending the life of your engine and minimizing maintenance.
​Versatile Installation
With 4 inlet ports, 4 exhaust ports, and 16 drive housing orientations, plus options for left- or right-hand rotation, this starter adapts easily to a wide range of engine configurations. Optional pinions and flanges are available to fit most OEM engines.
Reliability
OEM and type approved, this starter delivers consistent, high-quality performance you can count on - cycle after cycle.
Flexible Operating Range
Performs efficiently across a wide pressure range of 30–150 psi (2.1–10.3 bar), offering flexibility for various system requirements.
​Genuine OEM Approved
Trusted and approved by original equipment manufacturers for consistent quality and performance.
Models
​ST544
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ST544F01R77
ST544F03R25
ST544F03R29
ST544F03R31
ST599
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ST599F03L94
ST599F03R25
ST599F03R31
ST599F03R83
ST599F03R94
Documents
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Information on all Ingersoll Rand air starters: Ingersoll Rand Engine Starter Systems