Ingersoll Rand literature · Parts list
Ingersoll Rand Series 150BMP Air Starters with Overhung Pinion Parts List (Form P6525)
A two-page Ingersoll Rand parts sheet for the Series 150BMP air starters built with an overhung drive pinion for engines worldwide. The cover gives the operating pressure limit, minimum supply hose size and lubrication advice; the second page lists the numbered parts of the motor, gearing, piston shift mechanism, drive housing and accessories, with model-specific drive pinions and drive housings.
Document at a Glance
- Publisher
- Ingersoll Rand
- Document type
- Parts list
- Form / number
- Form P6525, No. 03530722, Edition 1, 1979
- Language
- English
- Pages
- 2
- File
- PDF, 251 KB
What's in This Document
| Section | Pages | What it covers |
|---|---|---|
| Operating pressure and air supply | 1 | States the maximum air pressure and the minimum supply hose diameter for these starters. |
| Lubrication | 1 | Recommends non-detergent SAE 10 motor oil or diesel fuel depending on temperature, and an Ingersoll Rand HDL1 lubricator that can mount on the starter or remotely. |
| Parts list: motor and gearing | 2 | Items covering the motor housing cover, rotor bearings, end plates, cylinder, vanes, rotor, rotor pinion, gear case and drive gear for B and C gear ratios. |
| Parts list: piston, starter drive and drive housing | 2 | Piston, shift ring and return spring parts, the starter drive, drive pinions and drive housing assemblies keyed to specific model numbers. |
| Accessories and tools | 2 | Lists the nameplate, road splash deflector, muffler, lubricator, relay valve and a needle bearing inserting tool. |
Key Specifications and Data
| Item | Value | Page |
|---|---|---|
| Maximum operating air pressure | 150 psig (10.3 bar / 1033 kPa) | 1 |
| Minimum air supply hose | 1-1/4 in (32 mm) | 1 |
| Recommended lubricator | Ingersoll Rand HDL1 (self-priming; mounts on the starter housing or remotely) | 1 |
| Lubricants named | Non-detergent SAE 10 motor oil; diesel fuel in cold conditions | 1 |
| Rotor pinion, B models | 18 teeth | 2 |
| Rotor pinion, C models | 16 teeth | 2 |
| Drive gear, B models | 41 teeth | 2 |
| Drive gear, C models | 43 teeth | 2 |
Models Covered
Model codes as printed in the document. Linked codes go to the matching Ingersoll Rand starter in our catalog.
150BMPAB03R77 150BMPAB03R85 150BMPAB07R77 150BMPAC03R77 150BMPAC03R85 150BMPAC07R83 150BMPAC17R83
Service Kits and Part Numbers
| Part number | Description | Page |
|---|---|---|
| R3H-24 | Rear rotor bearing | 2 |
| 257-729 | Rear rotor bearing retainer | 2 |
| 10BM-12 | Rear end plate | 2 |
| 150BM-3 | Cylinder | 2 |
| 10BMP-53 | Rotor | 2 |
| 10BM-11 | Front end plate | 2 |
| 10BMB-17 | Rotor pinion for B models (18 teeth) | 2 |
| R2-227 | Lubrication port plug | 2 |
| 150BMP-297 | Drive pinion collar | 2 |
| 150BM-A674 | Muffler assembly | 2 |
| HDL1 | Lubricator | 1 |
| SRV125 | Relay valve | 2 |
| 46859 | Needle bearing inserting tool | 2 |
Confirm part numbers against the serial and model plate of your starter. For any part not listed in our catalog, send us the number.
Frequently Asked Questions
What is the maximum air pressure for a 150BMP overhung pinion air starter?
The sheet says not to run these starters above 150 psig (10.3 bar).
What size air hose does the 150BMP starter need?
A supply hose of at least 1-1/4 in (32 mm) is specified.
Which lubricator does Ingersoll Rand recommend for the 150BMP starter?
The HDL1 lubricator, which primes itself and can be fitted into the starter housing or mounted remotely.
How do B and C gear models of the 150BMP differ in parts?
B models use an 18-tooth rotor pinion and a 41-tooth drive gear, while C models use a 16-tooth rotor pinion and a 43-tooth drive gear.
Need the parts or the starter in this document? Send the model number from your starter's plate and we will confirm the right Ingersoll Rand part or replacement.
Source: Ingersoll Rand, Form P6525, No. 03530722, Edition 1, 1979. Summary and tables prepared by AirStartersDirect.com, an authorized Ingersoll Rand air starter distributor; the PDF is the authoritative version. Page numbers refer to the PDF file. Reviewed October 2026.
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