ST155FP81R071-22O Turbine Air Starter | 47 hp | Half Arc (up to 150 psi) | NEW by Ingersoll Rand

The Ingersoll Rand ST155FP81R071-22O is a genuine IR ST150-series pre-engaged turbine air starter. It is a lube-free solid-aluminum turbine starter that delivers up to 47 hp (35 kW) and 240 ft-lb (325 N·m) of breakaway torque at 150 psi. Ingersoll Rand built the ST150 for heavy-duty diesel and gas engines in the 11 to 90 liter size. This ST155 is the half-arc version for 60 to 150 psi supplies. It uses the code 81 drive housing on an SAE No. 3 flange and drives a right-hand code 071 pinion. The ST150 is the current successor to the 150T "F" series.

ST155FP81R071-22O Specifications

Performance by Supply Pressure

Ingersoll Rand publishes these figures for the ST155:

Confirming Fit

Match the full model number on your existing starter's nameplate, or send us the engine make, model and serial number. You can also use our Air Starter Model Finder.

How to Read the Model Number

ST155FP81R071 Orientations and Builds

This starter is also listed in these orientations and configurations. The motor, gearing, flange and pinion are the same; the suffix sets the inlet, exhaust and drive-housing positions or marks a special build: ST155FP81R071-22P.

Why Choose the ST155FP81R071?

• 47 hp in a compact turbine. A patented slip-fit turbine with a high-speed rotor that Ingersoll Rand says is built to resist deflection.
   
• Rugged planetary gearing that allows extended crank cycles.
   
• Easy to service. The patented slip-fit turbine design lets you remove the rotor and change from low-pressure to high-pressure operation in a matter of minutes.
   
• Lube-free. No lubricator and no oil mist.
   
• Sealed for gas and air.

ST155FP81R071-22O FAQ

What is the difference between the ST155 and ST159?

The ST155 is a half-arc turbine for 60 to 150 psi supplies (47 hp at 150 psi). The ST159 is a full-arc turbine for 30 to 120 psi supplies (47 hp at 120 psi). Choose by the pressure you can deliver at the starter.

Does the ST150 replace the 150T "F"?

Yes. Ingersoll Rand's supersession list moves 150TMPF88/81 models to ST155FP88/81 models with the same suffix, and 150TLPF models to ST159FP models. The ST150 keeps the 150 drive-housing and pinion coding.

Can it crank for a long time?

Yes. IR highlights the ST150's rugged planetary gearing as allowing extended crank cycles.

Buy from a Factory-Authorized Ingersoll Rand Distributor

AirStartersDirect.com is a factory-authorized Ingersoll Rand distributor operated by Zampini Industrial Group, which has supplied engine starting equipment since 1987. Every ST155FP81R071-22O we sell is new, genuine Ingersoll Rand equipment. We supply the complete ST150 series and the relay valves, strainers and controls that go with it.

Need help confirming fit? Call 1-800-353-4676 with your engine make, model and serial number for a fast quote and free selection help.

Specifications source: Ingersoll Rand Engine Starting Systems catalog and Ingersoll Rand ST150 Series Air Starters.