Kirloskar
Kirloskar 3R1040
R1040 Series
Kirloskar (KOEL) 3R1040 3.1L 3-cylinder diesel engine for generator sets. 28.2 kWe standby. EPA Tier 2. kWe estimated from rated mechanical output. Naturally Aspirated.
- Standby Power · 50 Hz
- 35 kVA
- Electrical Output
- 28 kWe
- Cylinders
- L3
- Displacement
- 3.1 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 28.3 | 25.5 | 31.9 |
| Standby Power | 31.3 | 28.2 | 35.3 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 32.1 | 28.9 | 36.1 |
| Standby Power | 35 | 31.5 | 39.4 |
Note: The manufacturer does not publish a separate kWe rating for this engine. kWe values shown are estimated from the rated mechanical output (kWm) using a conservative 90% alternator efficiency factor.
Kirloskar 3R1040 generator set context
The Kirloskar 3R1040 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 35 kVA / 28 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
Also searched as
Technical Specifications
| Brand | Kirloskar |
| Model | 3R1040 |
| Series | R1040 Series |
| Configuration | L3 |
| Cylinders | 3 |
| Displacement | 3.1 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Country of Origin | India |
Frequently asked questions
What is the power output of the Kirloskar 3R1040?
The Kirloskar 3R1040 is rated at 35 kVA standby / 32 kVA prime at 50 Hz (1,500 rpm); and 39 kVA standby / 36 kVA prime at 60 Hz (1,800 rpm).
Does the 3R1040 run at 50 Hz or 60 Hz?
The Kirloskar 3R1040 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Kirloskar 3R1040 use?
The Kirloskar 3R1040 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3R1040?
The Kirloskar 3R1040 is an inline-3 (3-cylinder) engine with a displacement of 3.1 L.
What emissions standard does the 3R1040 meet?
The Kirloskar 3R1040 is certified to U.S. EPA Tier 2 emissions standards.
Is the Kirloskar 3R1040 still in production?
Yes — the Kirloskar 3R1040 is a current production model.
Is a datasheet available for the 3R1040?
Yes — an official Kirloskar datasheet for the Kirloskar 3R1040 can be downloaded from this page.
Related Engines
Compare Kirloskar 3R1040
Reference
- Canonical page
- /engines/kirloskar-3r1040
- Last database update
- 2026-06-11
- Manufacturer files
- 1 datasheet linked
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