Kirloskar INDUSTRIAL ENGINES
In ProductionKirloskar 4R1040
R1040 Series
Kirloskar (KOEL) 4R1040 4.2L 4-cylinder diesel engine for generator sets. 38.3 kWe standby. EPA Tier 2. kWe estimated from rated mechanical output. Naturally Aspirated.
Standby Power
57 kVA
Electrical Output
46 kWe
Cylinders / Config
L4
Displacement
4.2 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 38.8 | 34.9 | 43.6 |
| Standby | 42.5 | 38.3 | 47.9 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 45.5 | 41 | 51.3 |
| Standby | 50.7 | 45.6 | 57 |
Mechanical & Electrical Specifications
| Brand | Kirloskar |
| Model | 4R1040 |
| Series | R1040 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.2 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 4R1040?
The Kirloskar 4R1040 is rated at 48 kVA standby / 44 kVA prime at 50 Hz (1,500 rpm); and 57 kVA standby / 51 kVA prime at 60 Hz (1,800 rpm).
Does the 4R1040 run at 50 Hz or 60 Hz?
The Kirloskar 4R1040 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Kirloskar 4R1040 use?
The Kirloskar 4R1040 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4R1040?
The Kirloskar 4R1040 is an inline-4 (4-cylinder) engine with a displacement of 4.2 L.
What emissions standard does the 4R1040 meet?
The Kirloskar 4R1040 is certified to U.S. EPA Tier 2 emissions standards.
Is the Kirloskar 4R1040 still in production?
Yes — the Kirloskar 4R1040 is a current production model.
Is a datasheet available for the 4R1040?
Yes — an official Kirloskar datasheet for the Kirloskar 4R1040 can be downloaded from this page.