YANMAR 6N21L OEM Air Starter Replacement /Upgrade
- SKU:
- YANMAR-6N21L-AIR-STARTER
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
Ingersoll Rand air starters for the Yanmar 6N21L. The Yanmar 6N21L is a 6-cylinder diesel engine of 60.3 liters (3,678 cu in). Our Air Starter Model Finder, built from Ingersoll Rand application data, recommends the ST2060B03R31, an ST2000 series turbine starter with a right-hand pinion (12 teeth, 6/8 pitch).
Recommended Starters for the Yanmar 6N21L
| Choice | Ingersoll Rand starter | Type | Supply pressure | Max power | IR diesel rating |
|---|---|---|---|---|---|
| Recommended | ST2060B03R31 | ST2000 series turbine | 30-150 psi | 70 hp (52.2 kW) at 150 psi | Up to 150 L |
Why These Starters Fit
Ingersoll Rand rates the ST2000 for diesel engines up to 150 L, so the 60.3 L 6N21L sits within its range.
Flange, Rotation and Pinion
Rotation: right-hand. Pinion: code 31, 12 teeth, 6/8 pitch, 20° pressure angle.
Engine builders change flywheel housings, ring gears and rotation between applications and serial ranges, so match the flange, rotation and pinion on your existing starter's nameplate before you order.
Air Supply
The ST2060B03R31 runs on 30-150 psi and uses 1290 scfm (609 L/s) at maximum power. It is rated for compressed air only. The Model Finder pairs it with the ST1000-267-24 inlet strainer, which keeps scale and debris out of the motor.
Other Yanmar Engines of Similar Size
- Yanmar 6N18L (42.8 L): ST2060B03R31
- Yanmar 8N21L (80.4 L): ST2060B03R31
Yanmar 6N21L Air Starter FAQ
What air starter fits the Yanmar 6N21L?
The Model Finder recommends the ST2060B03R31. Confirm the flange, rotation and pinion against your current starter before ordering.
Can the ST2060B03R31 run on natural gas?
No. Ingersoll Rand rates the ST2060B03R31 for compressed air only.
Can I replace an electric starter on the 6N21L with an air starter?
Air starters mount on standard SAE flanges, so they are often used in place of electric starters where batteries, sparks or cold starts are a concern. See air vs. electric starters, and call us with your engine serial number so we can confirm the flange, pinion and air supply.
How do I confirm the right starter?
Send us the full model number from your existing starter's nameplate, or the engine make, model and serial number. Engine builders change ring gears and flywheel housings between serial ranges, so we confirm fit before quoting.
Need a Starter for Your 6N21L?
AirStartersDirect.com is a factory-authorized Ingersoll Rand distributor operated by Zampini Industrial Group, which has supplied engine starting equipment since 1987. Call 1-800-353-4676 or request a quote with your engine make, model and serial number.
Sources: AirStartersDirect Air Starter Model Finder (Ingersoll Rand application data) and the Ingersoll Rand Engine Starting Systems catalog.
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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Frequently Asked Questions
Turbine Air Starter Category Links
ST150 Series
ST1000 Series
Engine Barring Motors
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