Weichai
Weichai 12M33D1240E310
M33 Series
The Weichai 12M33D1240E310 is a 39.6-litre V12 diesel engine for generator sets, rated at 1,395 kVA / 1,116 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 1,395 kVA
- Electrical Output
- 1,116 kWe
- Cylinders
- V12
- Displacement
- 39.6 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1130 | 1017 | 1271.3 |
| Standby Power | 1240 | 1116 | 1395 |
Weichai 12M33D1240E310 generator set context
The Weichai 12M33D1240E310 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 1,395 kVA / 1,116 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 | Weichai |
| Model | 12M33D1240E310 |
| Series | M33 Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 39.6 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage III / Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Weichai 12M33D1240E310?
The Weichai 12M33D1240E310 is rated at 1,395 kVA standby / 1,271 kVA prime at 50 Hz (1,500 rpm).
Does the 12M33D1240E310 run at 50 Hz or 60 Hz?
The Weichai 12M33D1240E310 is rated for 50 Hz (1,500 rpm).
What fuel does the Weichai 12M33D1240E310 use?
The Weichai 12M33D1240E310 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 12M33D1240E310?
The Weichai 12M33D1240E310 is a V12 (12-cylinder) engine with a displacement of 39.6 L.
Is the Weichai 12M33D1240E310 still in production?
Yes — the Weichai 12M33D1240E310 is a current production model.
Is a datasheet available for the 12M33D1240E310?
Yes — an official Weichai datasheet for the Weichai 12M33D1240E310 can be downloaded from this page.