ST400C03R31 Turbine Air Starter | 40% Arc (90-150 PSI) | by Ingersoll Rand
- SKU:
- ST400C03R31
Manufacturer: Ingersoll Rand
Guaranteed 100% Authentic
Made in the USA
Condition: New
*Rebuilt Models Have the letter "R" at the end of their model number
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Our Phone #: 1-800-353-4676
Our Email: [email protected]
Description
The Ingersoll Rand ST400C03R31 is a genuine IR ST400-series turbine air starter for 90 to 150 psi air supplies. It delivers up to 25 hp and 150 ft-lb of breakaway torque at 150 psi. It mounts on an SAE No. 3 flange, turns right-hand through a 12-tooth 6/8 pitch pinion, and takes air through an SAE split-flange inlet. Its turbine motor needs no lubrication. Ingersoll Rand's ST400 series covers diesel engines from 5 to 60 liters in power generation, marine, rail and transportation service.
ST400C03R31 Specifications
| Ingersoll Rand ST400C03R31 technical data | |
|---|---|
| Manufacturer / series | Ingersoll Rand ST400 series (ST400) |
| Motor type | Radial turbine, 44% arc, lube-free |
| Engagement | Inertia, overhung pinion |
| Operating pressure | 90 to 150 psi (maximum 150 psi) |
| Maximum power | 25 hp (19 kW) |
| Breakaway torque | 150 ft-lb (203 N·m) at 150 psi |
| Air consumption | 750 scfm (354 L/s) at maximum power |
| Gear ratio | "C" ratio; gears and bearings run in a sealed oil bath |
| Mounting | SAE No. 3 flange (code 03); the removable flange can be rotated 360° |
| Pinion (code 31) | 12 teeth, 6/8 pitch |
| Rotation | right-hand (R) |
| Air inlet | SAE J518 split-flange inlet (no letter in the model number) |
| Engine size (ST400 series) | Diesel engines from 5 to 60 L (300 to 3,600 cu. in.) |
| Weight | 38 lb (17.2 kg) |
| Lubrication | None required for the turbine motor |
Performance by Supply Pressure
Ingersoll Rand publishes these figures for the ST400:
| Supply pressure | Breakaway torque | Speed at max power | Max power | Flow at max power |
|---|---|---|---|---|
| 90 psi (6.2 bar) | 90 ft-lb (122 N·m) | 1,500 rpm | 14 hp (10 kW) | 430 scfm (203 L/s) |
| 120 psi (8.3 bar) | 120 ft-lb (163 N·m) | 1,650 rpm | 19 hp (14 kW) | 600 scfm (284 L/s) |
| 150 psi (10.3 bar) | 150 ft-lb (203 N·m) | 1,650 rpm | 25 hp (19 kW) | 750 scfm (354 L/s) |
Engines That Use the ST400C03R31
Our Air Starter Model Finder, built from Ingersoll Rand application data, lists the ST400C03R31 for:
- Cummins: C-90-B (5.06 L), C0105-B (5.06 L), HR-400 SERIES (8.11 L), J-70-B (4.38 L), J-80-B (4.38 L)
- Detroit Diesel: 2-71 (2.33 L), 3-71 (3.49 L), 4-71 (4.65 L), SERIES 50 (8.5 L)
- Leroi: F1500 (24.63 L), H844 (13.83 L), RX1 (16.4 L), RX1S (24.63 L)
- Fairbanks: 50A5-6C (7.37 L), 50A5T-4B (6.37 L)
- Lister-Petter: HR6 (now HL6) (6.26 L), HRS4 (HLS4) (4.18 L)
- Sterling: GA-4 (6 L), GAB-4 (6 L)
- Caterpillar: 1670 (5.7 L)
- Mack: END510 (8.36 L)
Engine builders change ring gears and starter pads between serial ranges, so confirm the ring gear and rotation before you order. Look up your engine in our Air Starter Model Finder, or call us with the engine model and serial number.
How to Read the Model Number
| Code | Meaning |
|---|---|
| ST400 | ST400 series, 44% arc turbine, 150 psi maximum |
| (none) | SAE split-flange inlet (I = 1 in. NPT inlet) |
| C | Gear ratio |
| 03 | SAE No. 3 mounting flange (01 = SAE No. 1, 03 = SAE No. 3) |
| R | right-hand rotation |
| 31 | Pinion: 12-tooth 6/8 pitch |
Why Choose the ST400C03R31?
- Lube-free turbine. No lubricator to fill and no oil mist in the exhaust.
- One-hose hookup. A single air connection simplifies piping.
- Compact and light. In-line design that is easy to install.
- Flexible mounting. The removable flange rotates 360° for mounting flexibility.
- Maintenance free. Sealed oil-bath lubrication for the gears and bearings.
ST400C03R31 FAQ
What is the opposite-rotation version of the ST400C03R31?
The ST400C03L32 is the opposite-rotation counterpart. Power, flange and gearing are the same; only the rotation and the matching pinion code differ. Match the rotation printed on your existing starter's nameplate.
Which ST400-series model do I need: ST400, ST455 or ST499?
They share the same housing and mounting. They differ in turbine arc, which sets the pressure they are built for: the ST400 (44% arc) for 90 to 150 psi, the ST455 (55% arc) up to 120 psi, and the ST499 (full arc) up to 90 psi. Never run a starter above the maximum pressure stamped on its nameplate.
Does the ST400 need lubrication?
No. The turbine motor needs no external lubrication, and the gears and bearings run in a sealed oil bath.
Can it crank for a long time?
Ingersoll Rand does not rate this starter for extended cranking (more than 10 seconds). For hard-starting engines or long crank cycles, choose a larger turbine such as the ST600.
What air supply and accessories does it need?
Provide a 90 to 150 psi supply, with enough receiver volume to deliver up to 750 scfm while the engine cranks. Ingersoll Rand's matching accessories include the ST900-267-24 1-1/2 in. strainer (300 mesh), SRV125 relay valve, 150BMP-1051B / 150BMP-2451B solenoid valves, SMB-618 push-button valve and the ST400-A339M manual control valve.
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 ST400C03R31 we sell is new, genuine Ingersoll Rand equipment. We stock the complete ST400 series and the relay valves, strainers and control valves 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 ST400 Series Air Starters.
Ingersoll Rand pneumatic air starters can replace any factory mounted starter engine and simultaneously offer a variety of helpful benefits. Compared to conventional electric starters, a pneumatic air starter occupies considerably less space as it is run by air. Pneumatic air starters are also considered safer in hazardous environments as they do not produce electrical sparks like electric starters sometimes do, thus eliminating the risk of igniting flammable materials that may be present.
Ingersoll Rand air starters have significantly more torque than electric starters of equivalent size, and that allows even a small air starter to start very large engines and turbines. In addition, electric starters as well as their wiring may become excessively hot in the event that it takes longer than expected to start the engine, while air-starters can be run for as long as their air supply lasts. Turbine starters provide even more torque and tend to be simpler, and therefore are a natural fit for turbine engines. Turbine air starters are utilized extensively on large turbofan engines commercial and military aircraft; as well as marine ships and vessels, trains, heavy construction equipment, and more.
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