Weichai
Weichai 12M55D2450E310
M55 Series
The Weichai 12M55D2450E310 is a 66-litre V12 diesel engine for generator sets, rated at 2,756 kVA / 2,205 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
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- Manufacturer files
- 2 datasheets
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 2,756 kVA
- Electrical Output
- 2,205 kWe
- Cylinders
- V12
- Displacement
- 66 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 2200 | 1980 | 2475 |
| Standby Power | 2450 | 2205 | 2756.3 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 2450 | 2205 | 2756.3 |
| Standby Power | 2700 | 2430 | 3037.5 |
Weichai 12M55D2450E310 generator set context
The Weichai 12M55D2450E310 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 2,756 kVA / 2,205 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 | 12M55D2450E310 |
| Series | M55 Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 66 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 12M55D2450E310?
The Weichai 12M55D2450E310 is rated at 2,756 kVA standby / 2,475 kVA prime at 50 Hz (1,500 rpm); and 3,038 kVA standby / 2,756 kVA prime at 60 Hz (1,800 rpm).
Does the 12M55D2450E310 run at 50 Hz or 60 Hz?
The Weichai 12M55D2450E310 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Weichai 12M55D2450E310 use?
The Weichai 12M55D2450E310 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 12M55D2450E310?
The Weichai 12M55D2450E310 is a V12 (12-cylinder) engine with a displacement of 66 L.
Is the Weichai 12M55D2450E310 still in production?
Yes — the Weichai 12M55D2450E310 is a current production model.
Is a datasheet available for the 12M55D2450E310?
Yes — an official Weichai datasheet for the Weichai 12M55D2450E310 can be downloaded from this page.