Hatz
Hatz 4M41
41 Series
Hatz 4M41 3.3L (approx.) 4-cylinder diesel engine for generator sets. 28 kWe standby at 50Hz / 35 kWe at 60Hz. Euro Stage IIIA. Air-cooled.
- Standby Power · 50 Hz
- 35 kVA
- Electrical Output
- 28 kWe
- Cylinders
- L4
- Displacement
- 3.3 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 | 28.9 | 26 | 32.5 |
| Standby Power | 31.1 | 28 | 35 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 35.6 | 32 | 40 |
| Standby Power | 38.9 | 35 | 43.8 |
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.
Hatz 4M41 generator set context
The Hatz 4M41 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.
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Technical Specifications
| Brand | Hatz |
| Model | 4M41 |
| Series | 41 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 3.3 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Air-Cooled |
| Emissions Standard | Euro Stage IIIA |
| Country of Origin | Germany |
Frequently asked questions
What is the power output of the Hatz 4M41?
The Hatz 4M41 is rated at 35 kVA standby / 33 kVA prime at 50 Hz (1,500 rpm); and 44 kVA standby / 40 kVA prime at 60 Hz (1,800 rpm).
Does the 4M41 run at 50 Hz or 60 Hz?
The Hatz 4M41 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Hatz 4M41 use?
The Hatz 4M41 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4M41?
The Hatz 4M41 is an inline-4 (4-cylinder) engine with a displacement of 3.3 L.
What emissions standard does the 4M41 meet?
The Hatz 4M41 is certified to Euro Stage IIIA emissions standards.
Is the Hatz 4M41 still in production?
Yes — the Hatz 4M41 is a current production model.
Related Engines
Reference
- Canonical page
- /engines/hatz-4m41
- Last database update
- 2026-06-11
- Manufacturer files
- No datasheet linked yet
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