Ingersoll Rand ST750GBDI03R31 Turbine Air Starter Assembly

The Ingersoll Rand ST750GBDI03R31 is a turbine-type air starter from the ST700/ST900 series, engineered for robust performance in off-highway, marine, and stationary applications. It features a powerful 64 hp turbine motor that operates without external lubrication, reducing maintenance requirements. The unit is sealed for use in both air and natural gas applications. The starter utilizes robust gearing designed to handle extended crank cycles. The drive configuration includes a SAE 03 mounting flange with a 12-tooth, 6/8 diametral pitch pinion and right-hand rotation. The starter is rated for inlet pressures up to 150 psi (10.3 bar), with standard testing conducted at 90 psi (6.2 bar). Models ending in R31 feature left-hand thread on specific housing plugs per manufacturer service documentation.