Kirloskar 4R810NA1
Kirloskar 4R810NA1 3.243 L L4 Naturally Aspirated diesel engine. EPA annual certification data lists 35 kWm at 1800 RPM. U.S. EPA Tier 2 / U.S. EPA Final Tier 4.
R Series

- Mechanical Output
- 35 kW
- Cylinders
- L4
- Displacement
- 3.243 L
- Rated Speed
- 1,500 RPM
Estimated electrical output
Engine power × 0.90. These are estimates, not manufacturer generator ratings. Actual output depends on the alternator and operating conditions.
| Frequency / duty | Engine | Estimate |
|---|---|---|
| Frequency and duty unverified | 35 kWm | 31.5 kWe |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Kirloskar |
| Model | 4R810NA1 |
| Series | R Series |
| Configuration | L4 Naturally Aspirated |
| Cylinders | 4 |
| Displacement | 3.243 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 / U.S. EPA Final Tier 4 |
| Certifications | U.S. EPA Tier 2, U.S. EPA Final Tier 4 |
| Country of Origin | India |
Check your engine model
The Kirloskar 4R810NA1 is a diesel generator-drive engine for applications whose frequency must be verified, rated at 35 kW / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
4R810NA1 repair parts
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Parts reference availability
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Frequently asked questions
What fuel does the Kirloskar 4R810NA1 use?
The Kirloskar 4R810NA1 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4R810NA1?
The Kirloskar 4R810NA1 is an inline-4 (4-cylinder) engine with a displacement of 3.243 L.
What emissions information is listed for the 4R810NA1?
This record lists U.S. EPA Tier 2 / U.S. EPA Final Tier 4 for the Kirloskar 4R810NA1. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Kirloskar 4R810NA1?
The Kirloskar 4R810NA1 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the 4R810NA1?
This page links reference documents for the Kirloskar 4R810NA1. Check each document's title, model coverage, revision and rating conditions before using it for selection.
