Weichai
Weichai 12M26D660E301NG
M26 Series
The Weichai 12M26D660E301NG is a 31.2-litre V12 natural gas engine for generator sets, rated at 688 kVA / 550 kWe prime power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
- Prime Power · 50 Hz
- 688 kVA
- Electrical Output
- 550 kWe
- Cylinders
- V12
- Displacement
- 31.2 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 | 600 | 550 | 687.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Standby Power | 600 | 540 | 675 |
Technical Specifications
| Brand | Weichai |
| Model | 12M26D660E301NG |
| Series | M26 Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 31.2 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Weichai 12M26D660E301NG?
The Weichai 12M26D660E301NG is rated at 688 kVA prime at 50 Hz (1,500 rpm); and 675 kVA standby at 60 Hz (1,800 rpm).
Does the 12M26D660E301NG run at 50 Hz or 60 Hz?
The Weichai 12M26D660E301NG is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Weichai 12M26D660E301NG use?
The Weichai 12M26D660E301NG is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 12M26D660E301NG?
The Weichai 12M26D660E301NG is a V12 (12-cylinder) engine with a displacement of 31.2 L.
Is the Weichai 12M26D660E301NG still in production?
Yes — the Weichai 12M26D660E301NG is a current production model.
Is a datasheet available for the 12M26D660E301NG?
Yes — an official Weichai datasheet for the Weichai 12M26D660E301NG can be downloaded from this page.
Related Engines
Compare Weichai 12M26D660E301NG
Reference
- Canonical page
- /engines/weichai-12m26d660e301ng
- Last database update
- 2026-06-08
- Manufacturer files
- 1 datasheet linked
Need this engine?
Haifeng Machinery supplies diesel and gas generators and engines worldwide.
Get a Quote ↗Or browse Haifeng's gas generator sets ↗